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        We filed a Section 505(b)(2) NDA, for approval of Twirla by the FDA, which is required before marketing a new drug in the United States. Our 505(b)(2) NDA relied in part on clinical trials that we conducted and in part on the FDA's findings of safety and efficacy from investigations for approved products containing the active ingredients and published scientific literature for which we have not obtained a right of reference. In connection with the original submission of our NDA in April 2012, the FDA indicated in a Complete Response Letter, or the 2013 CRL, which we received in February 2013, that our NDA was not sufficient for approval as originally submitted. After multiple communications with the FDA, we received significant guidance as to what additional clinical development and other activities needed to be completed prior to approval. In accordance with the FDA's advice and comments, we conducted an additional Phase 3 clinical trial, the SECURE clinical trial, which was initiated in 2014 and completed in December 2016. We announced the top-line results for the SECURE clinical trial in January 2017. Based on the guidance that we received from the FDA in connection with our discussions on clinical trial design, we believed that the results from the SECURE clinical trial would address all of the clinical issues raised in the CRL. In June 2017, we resubmitted our Twirla NDA, which was accepted for review and assigned a PDUFA goal date of December 26, 2017.

        On December 21, 2017, the FDA issued a second CRL, or the 2017 CRL, indicating that our resubmitted NDA could not be approved in its present form. The 2017 CRL identifies deficiencies relating to quality control adhesion test methods and specifications which are part of the manufacturing process for Twirla. The 2017 CRL also noted that objectionable conditions identified during a pre-approval inspection, or PAI, of a facility of our third-party manufacturer, Corium International Inc., or Corium, for the Twirla NDA must be resolved. Lastly, the 2017 CRL questions thein vivo adhesion properties of Twirla and their potential relationship to the SECURE clinical trial results, stating that we have not established that Twirla has the adhesion properties requisite for safe and effective use at this time. The FDA stated that it is unclear whether the trial results, including the higher than expected Pearl Index for a combined hormonal contraceptive, the discontinuation rate, and rates of unscheduled bleeding were a result of the adhesion properties of the product or other factors. The FDA also suggested, if it is determined that the product adhesion concerns are due to the design or formulation of the drug product, that we may need to design a new transdermal system and conduct another clinical trial with the new transdermal system in a U.S. population. The FDA also identified additional pregnancies in women who had delays in applying patches, which they argued should be added to the Pearl Index calculation.

        The 2017 CRL contains recommendations for developing manufacturing in-process tests for ensuring the quality andin vivo adhesion of the commercial scale product as well as the finished drug specifications and release test method for adhesion. The 2017 CRL also recommends that we assess thein vivo adhesion properties demonstrated in the SECURE clinical trial and determine whether there was any relationship between the adhesion properties and study efficacy, bleeding and discontinuation results. Finally, the 2017 CRL recommends that we address the implications of delays in patch application for real-world use. The 2017 CRL does not identify any issues relating to the safety of Twirla.

        Prior to receiving the 2017 CRL, we submitted an amendment to our NDA on December 1, 2017 in response to an information request from the FDA on the issues related to the quality control adhesion test methods cited in the 2017 CRL. In the 2017 CRL, the FDA acknowledged receipt of the amendment and stated that the amendment was not reviewed prior to the FDA's action. In addition, on November 20, 2017 and December 1, 2017, Corium provided the FDA with responses addressing each of the observations made during the FDA's facility inspection, which included a PAI for Twirla. Under the FDA's regulations, we are entitled to request a Type A meeting with the FDA within 90 days of receiving a CRL, and the FDA has a goal to grant us a meeting date within 30 days of the meeting request. We have submitted a request for a Type A meeting to the FDA to discuss the deficiencies in

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the Twirla NDA and the regulatory path for approval of Twirla. We plan to provide an update on the outcome of the Type A meeting after we receive the official meeting minutes from the FDA and we will then be better able to determine when we will resubmit our Twirla NDA.

        We intend to respond to the 2017 CRL, but there can be no assurance that we will address the outstanding FDA questions in a manner sufficient for approval in the U.S. Consistent with our previous NDA resubmission in 2017, we currently expect that our resubmission of the NDA responding to the 2017 CRL will be categorized as a Type 2 resubmission and receive a review period of six months from the date of resubmission of the NDA. We disagree with the FDA's conclusions regarding the in vivo adhesion properties of Twirla, and we intend to discuss these with the FDA at the upcoming meeting. We will also address the FDA's questions regarding implications of delays in patch application for real-world use. However, if we are not able to convince the FDA, then these observations could cast doubt on the feasibility of Twirla for real-world use, which could adversely impact our NDA, and ultimately, approval of Twirla. Even if the FDA agrees with our position regarding the relationship between thein vivo adhesion properties of Twirla and the efficacy and safety results from our SECURE clinical trial, the FDA may still determine that the need for a convenient, contraceptive patch and the demonstrated efficacy of Twirla, including the pearl index from our SECURE clinical trial, do not outweigh the potential risks associated with the product, and therefore are not sufficient to support the approval of Twirla.

        Moreover, before granting product approval and before we can use them in the commercial manufacture of our products, the FDA must determine that Corium's manufacturing facilities meets certain FDA requirements for product manufacturing. We cannot assure you that Corium will be able to address the objectionable conditions found during the FDA's facility inspection. If Corium is not able to address the objectionable conditions to the FDA's satisfaction and we cannot find an alternative supplier, the FDA will not approve our future Twirla NDA resubmission. Failure to comply with the statutory and regulatory requirements further subjects the manufacturer and product sponsor to possible legal or regulatory action, such as delay of approval, suspension of manufacturing, seizure of product or voluntary recall of a product, among other regulatory actions.

        Failure to receive approval or significant additional delay in obtaining an FDA decision on whether to approve our resubmitted NDA for Twirla would have a material adverse effect on our business and results of operations, including possible termination of Twirla development and restructuring of our organization, which could include reducing, or even terminating, our operations. In January 2018, following our receipt of the 2017 CRL, we significantly scaled back our preparations for commercialization of Twirla, which reduced our cash outlay; however, we continue to maintain expenditures relating to completing the development and seeking regulatory approval of Twirla. We will require additional funding to complete the commercial validation of the manufacturing process and commercial launch for Twirla. We may not be able to obtain sufficient additional funding or generate sufficient revenue and cash flows to continue our operations at planned levels and be forced to reduce, or even terminate, our operations. Even if Twirla is approved, the labeling approved by the FDA may restrict how and to whom we and our potential partners, if any, may market the product or the manner in which our product may be administered and sold, which could significantly limit the commercial opportunity for Twirla. See,Risks Related to Regulatory Approval and Clinical Trials for Our Product Candidates, Risks Related to Our Financial Position and Need for Capital, and Risks Relating to the Commercialization of Our Product Candidates," for additional information.

Our independent registered public accounting firm has expressed substantial doubt about our ability to continue as a going concern, which may hinder our ability to obtain future financing.

        Our financial statements as of December 31, 2017 have been prepared under the assumption that we will continue as a going concern for the next twelve months. Our independent registered public accounting firm has issued a report that includes an explanatory paragraph referring to our recurring

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losses from operations and expressing substantial doubt in our ability to continue as a going concern without additional capital becoming available. As of December 31, 2017, we had cash and cash equivalents of $35.9 million. We believe that our cash and cash equivalents should be sufficient to fund our operating expenses through the end of 2018. We have based this estimate on assumptions that may prove to be wrong, and we could use our capital resources sooner than we currently expect. Pursuant to the receipt of the 2017 CRL and the delay in the approval timeline for Twirla and as a result of our financial condition and other factors described herein, there is substantial doubt about our ability to continue as a going concern. Our ability to continue as a going concern will depend on our ability to obtain additional funding, as to which no assurances can be given. We continue to analyze various alternatives, including strategic and refinancing alternatives, asset sales and mergers and acquisitions. Our future success depends on our ability to raise capital and/or implement the various strategic alternatives discussed above. We cannot be certain that these initiatives or raising additional capital, whether through selling additional debt or equity securities or obtaining a line of credit or other loan, will be available to us or, if available, will be on terms acceptable to us. If we issue additional securities to raise funds, these securities may have rights, preferences, or privileges senior to those of our common stock, and our current shareholders may experience dilution.product. If we are unable to obtain funds when needed or on acceptable terms, we may be required to curtail our current development programs, cut operating costs, forego future development and other opportunities or even terminate our operations, which may involve seeking bankruptcy protection.

Risks Related to the Regulatory Approval and Clinical Trials for Our Product Candidates

We have not obtained regulatory approval for any of our product candidates in the United States or any other country.

        We currently do not have any product candidates that have gained regulatory approval for sale in the United States or any other country, and we cannot guarantee that we will ever have marketable products. Our business is substantially dependent on our ability to complete the development of, obtain regulatory approval for and successfully commercialize product candidates in a timely manner. We cannot commercialize product candidates in the United States without first obtaining regulatory approval to market each product candidate from the U.S. Food and Drug Administration, or FDA; similarly, we cannot commercialize product candidates outside of the United States without obtaining regulatory approval from comparable foreign regulatory authorities. We are not currently pursuing any regulatory approvals for Twirla, or any other potential product candidate outside the United States.

        Before obtaining regulatory approvals for the commercial sale of any product candidate for a target indication, we must demonstrate in preclinical studies and well-controlled clinical trials and, with respect to approval in the United States, to the satisfaction of the FDA, that the product candidate is safe and effective for use for that target indication and that the manufacturing facilities, processes and controls are adequate. In the United States, it is necessary to submit a new drug application, or NDA, to obtain FDA approval. An NDA must include extensive preclinical and clinical data and supporting information to establish the product candidate's safety and efficacy for each desired indication, although we may partially rely on published scientific literature or the FDA's prior approval of similar products. The NDA must also include significant information regarding the chemistry, manufacturing and controls for the product. The FDA may further inspect our manufacturing facilities to ensure that the facilities can manufacture our product candidates and our products, if and when approved, in compliance with the applicable regulatory requirements, as well as inspect our clinical trial sites to ensure that our studies are properly conducted. Obtaining approval of an NDA is a lengthy, expensive and uncertain process, and approval may not be obtained. Upon submission, or resubmission, of an NDA, the FDA must make an initial determination that the application is sufficiently complete to accept the submission for filing. We cannot be certain that any submissions we might make will be accepted for filing and review by the FDA, or ultimately be approved. If the application is not

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approved, the FDA may require that we conduct additional clinical or preclinical trials, address issues with our manufacturing process or facilities, or take other actions before it will reconsider our application, which we experienced in the previous submissions of our NDA for Twirla in both 2012 and 2017. If the FDA requires additional studies or data, we would incur increased costs and delays in the marketing approval process, which may require us to expend more resources than we have available. In addition, the FDA may not consider any additional information to be complete or sufficient to support approval.

        For instance, we filed an NDA, with the FDA for Twirla in April 2012, which included results from two previously conducted Phase 3 clinical trials for Twirla. In response, the FDA issued the 2013 CRL, which identified certain issues, including a request for additional clinical data, quality information and chemistry, manufacturing and controls information, which needed to be addressed before approval could be granted. We continued to interact with the FDA on its CMC and other questions and continued additional supportive testing in order to respond to the FDA's CMC questions. In addition, we gathered the requested information and conducted an additional Phase 3 clinical trial for Twirla, which we refer to as the SECURE clinical trial. The SECURE clinical trial commenced enrollment during the third quarter of 2014 and was completed in December 2016. In January 2017, we announced top-line results. Based on the results of the SECURE clinical trial and additional information relating to the manufacture of Twirla, we resubmitted our NDA which was received by the FDA on June 26, 2017, acknowledged as a complete response ready for FDA review on July 27, 2017, and assigned a target goal date under the Prescription Drug User Fee Act, or PDUFA, for completion of the FDA's review, or Target PDUFA Goal Date, of December 26, 2017.

        Our NDA resubmission in 2017 was intended to be a complete response to the 2013 CRL. Although we met with the FDA in October 2013 to discuss an additional Phase 3 clinical trial as requested in the 2013 CRL and received substantial written comments from the FDA in subsequent interactions, we did not seek and have not obtained agreement with the FDA on a special protocol assessment regarding the completed SECURE clinical trial. In March 2017, at our request, we met with the FDA to share preliminary data from the SECURE clinical trial, including key safety data and BMI-related efficacy findings, and to seek FDA input as to whether the SECURE clinical trial results constituted a basis for addressing the clinical deficiencies cited in the 2013 CRL. We also requested feedback on whether the proposed Twirla NDA content would meet the FDA's requirements for submission. In April 2017, we received final meeting minutes from our March 2017 meeting with the FDA. The FDA indicated that based on the preliminary information provided by us, the SECURE clinical trial results appear acceptable for resubmission and provided feedback on our proposed approach to the FDA's other questions in the 2013 CRL The FDA further provided responses to us regarding the presentation of efficacy, safety and clinical pharmacology analyses in the NDA and requested that subgroup analysis of efficacy by body weight be provided. The FDA did not provide us with any feedback on whether the results of the SECURE clinical trial and the contents of the planned, resubmitted NDA would be sufficient to obtain regulatory approval of Twirla. Our resubmitted NDA included efficacy and safety data from the SECURE clinical trial, the requested manufacturing information, and a summary response to the 2013 CRL and was intended to address the questions raised in the 2013 CRL.

        On December 21, 2017, the FDA issued the 2017 CRL, indicating that our resubmitted NDA could not be approved in its present form. The 2017 CRL identifies deficiencies relating to quality control adhesion test methods and specifications which are part of the manufacturing process for Twirla. The 2017 CRL also noted that objectionable conditions identified during a PAI of the Company's third-party manufacturer, Corium, for the Twirla NDA must be resolved. Lastly, the 2017 CRL questions thein vivo adhesion properties of Twirla and their potential relationship to the SECURE clinical trial results, concluding that we have not established that Twirla has the adhesion properties requisite for safe and effective use at this time. The 2017 CRL contains recommendations

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for developing manufacturing in-process tests for ensuring the quality andin vivo adhesion of the commercial scale product as well as the finished drug specifications and release test method for adhesion. The 2017 CRL also recommends that the Company assess thein vivo adhesion properties demonstrated in the SECURE clinical trial and determine whether there is an adverse impact on the product. Finally, the 2017 CRL recommends that the Company address the implications of clinical trial subject patch compliance and the withdrawal and dropout rates. The 2017 CRL does not identify any specific issues relating to the safety of Twirla. Prior to receiving the 2017 CRL, we submitted an amendment to our NDA on December 1, 2017 in response to an information request from the FDA on the issues related to the quality control adhesion test methods cited in the 2017 CRL. In the 2017 CRL, the FDA acknowledged receipt of the amendment and stated that the amendment was not reviewed prior to the FDA's action. In addition, on November 20, 2017 and December 1, 2017, Corium provided the FDA with responses addressing each of the observations made during the FDA's facility inspection, which included a PAI for Twirla. Under the FDA's regulations, we are entitled to request a Type A meeting with the FDA within 90 days of receiving a CRL, and the FDA has a goal to grant us a meeting date within 30 days of the meeting request. We have submitted a request for a Type A meeting to the FDA to discuss the deficiencies in the Twirla NDA and the regulatory path for approval of Twirla. We plan to provide an update on the outcome of the Type A meeting after we receive the official meeting minutes from the FDA and we will then be better able to determine when we will resubmit our Twirla NDA.

        We intend to respond to the 2017 CRL, but there can be no assurance that we will address the outstanding FDA questions in a manner sufficient for approval in the U.S. Consistent with our previous NDA resubmission in 2017, we currently expect that our resubmission of the NDA responding to the 2017 CRL will be categorized as a Type 2 resubmission and receive a review period of six months from the date of resubmission of the NDA.

        Moreover, before granting product approval and before we can use them in the commercial manufacture of our products, the FDA must determine that Corium's manufacturing facilities meets certain FDA requirements for product manufacturing. We cannot assure you that Corium will be able to address the objectionable conditions found during the FDA's facility inspection. If Corium is not able to address the objectionable conditions to the FDA's satisfaction and we cannot find an alternative supplier, the FDA will not approve our future Twirla NDA resubmission. Failure to comply with the statutory and regulatory requirements subjects the manufacturer and product sponsor to possible legal or regulatory action, such as delay of approval, suspension of manufacturing, seizure of product or voluntary recall of a product, among other regulatory actions.

        In connection with our planned resubmission of the Twirla NDA in response to the 2017 CRL, we cannot predict whether regulators will agree that Corium has adequately remedied the objectionable inspection conditions or that we will be able to find an alternative supplier, or whether regulators will agree with our responses to the cited 2017 CRL deficiencies or our conclusions regarding the results of the SECURE clinical trial or any clinical trials we have conducted to date, including whether our data are reliable and generalizable, demonstrate adequatein vivo adhesion properties and/or demonstrate adequate safety and efficacy sufficient for approval. For example, based on the SECURE clinical trial top-line data, the Pearl Index for the overall intent to treat population of subjects 35 years of age and under was 4.80 with an upper-bound of the 95% confidence interval of 6.06, but in the obese subpopulation of subjects 35 years of age and under, the Pearl Index was 6.42 with an upper-bound of the 95% confidence interval of 8.88. If we were to exclude the top-line data on the obese subpopulation, our Pearl Index for non-obese patients was 3.94 with an upper-bound of the 95% confidence interval of 5.35. The highest Pearl Index for a hormonal contraceptive product approved by the FDA to date was 3.19 and the highest upper-bound of the 95% confidence interval was 5.03. In the combined safety database for our three Agile Phase 3 trials (n>3,000), there were 5 subjects with potentially study drug related deep vein thromboses, or DVTs, or pulmonary embolisms, or PEs, 4 of

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whom were obese (BMI³ 30 kg/m²). Although ultimate approvability of a hormonal contraceptive is based on a risk/benefit assessment of the overall safety and efficacy profile of a product, not only a specific Pearl Index, the FDA could conclude that the Pearl Index is too high to demonstrate efficacy and an adequate risk/benefit profile for either the overall study population or a subgroup of the study population. Accordingly, the FDA may not approve our Twirla NDA. Alternatively, the FDA may determine that for a specific subgroup of patients, Twirla has lower efficacy and presents a higher risk, necessitating labeling restrictions. For instance, the FDA may require labeling restrictions on the use of Twirla for patients in certain BMI categories. We also may not obtain approval of Twirla based on these data or any other basis, or if approved, may only receive approval with significant labeling restrictions.

        In addition, while Corium has provided the FDA with responses to each of the observations made during the FDA's facility inspection, we expect that the FDA will re-inspect its facilities during its review of our planned resubmission before approval can be granted. The FDA has the authority to re-inspect SECURE clinical trial sites as part of a review of an NDA as well. The FDA may also determine that our responses to the deficiencies in the 2017 CRL and Corium's responses to the manufacturing facility inspection objectionable conditions are not sufficient or require product development and additional analyses and/or studies and deny approval of the Twirla NDA on this basis as well. The FDA may also find additional objectionable conditions upon re-inspection of the Corium facility. If the FDA does not approve the Corium facility for the manufacture of Twirla, or if Corium is not able to address the objectionable conditions found by the FDA, we may need to find an alternative supplier, which will take time and monetary expenditures, and which we may not be able to do on favorable terms to us or at all.

        Regulatory authorities outside of the United States, such as in Europe and Japan and in emerging markets, also have requirements for approval of drugs for commercial sale with which we must comply prior to marketing in those areas. Regulatory requirements can vary widely from country to country and could delay or prevent the introduction of our product candidates. Clinical trials conducted in one country may not be accepted by regulatory authorities in other countries and obtaining regulatory approval in one country does not mean that regulatory approval will be obtained in any other country. However, the failure to obtain regulatory approval in one jurisdiction could have a negative impact on our ability to obtain approval in a different jurisdiction. Approval processes vary among countries and can involve additional product candidate testing and validation and additional administrative review periods. Seeking foreign regulatory approval could require additional non-clinical studies or clinical trials, which could be costly and time consuming. Foreign regulatory approval may include all of the risks associated with obtaining FDA approval. For all of these reasons, if we seek foreign regulatory approval for Twirla or any of our other product candidates, we may not obtain such approvals on a timely basis, if at all.

        The process to develop, obtain regulatory approval for and commercialize product candidates is long, complex and costly both inside and outside of the United States, and approval is never guaranteed. Even if our product candidates were to successfully obtain approval from regulatory authorities, any such approval might significantly limit the approved indications for use, including more limited patient populations, require that precautions, contraindications or warnings be included on the product labeling, including black box warnings, require expensive and time-consuming post-approval clinical studies, risk evaluation and mitigation strategies, or REMS, or surveillance as conditions of approval, or, through the product label, the approval may limit the claims that we may make, which may impede the successful commercialization of our product candidates. For example, we believe that Twirla, if approved, will have labeling consistent with all other marketed hormonal contraceptive products, which include class labeling that warns of risks of certain serious conditions, including venous and arterial blood clots, heart attacks, thromboembolism, and stroke, as well as liver tumors, gallbladder disease, and hypertension, and a boxed warning regarding risks of smoking and CHC use, particularly in women over 35 years old who smoke. However, regulatory authorities may require the

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inclusion of additional statements about adverse events in the labeling, including additional black box warnings or contraindications. Following any approval for commercial sale of our product candidates, certain changes to the product, such as changes in manufacturing processes and additional labeling claims, as well as new safety information, will be subject to additional FDA notification, or review and approval. Also, regulatory approval for any of our product candidates may be withdrawn. If we are unable to obtain regulatory approval for our product candidates in one or more jurisdictions, or any approval contains significant limitations, our ability to market to our full target market will be reduced and our ability to realize the full market potential of our product candidates will be harmed. Furthermore, we may not be able to obtain sufficient funding or generate sufficient revenue and cash flows to continue our operations at planned levels and be forced to reduce, or even terminate, our operations.

Regulatory approval may be substantially delayed or may not be obtained for one or all of our product candidates if regulatory authorities require additional time or studies to assess the safety and efficacy of our product candidates.

        We may be unable to initiate or complete development of our product candidates on schedule, if at all. The timing for the completion of the studies for our potential product candidates other than Twirla will require funding beyond our existing cash and cash equivalents. In addition, if regulatory authorities require additional time or studies to assess the safety or efficacy of Twirla, we may not have or be able to obtain adequate funding to complete the necessary steps for approval for any or all of our product candidates. Additional delays may result if the FDA, an FDA Advisory Committee or other regulatory authority recommends non-approval or restrictions on approval. Studies required to demonstrate the safety and efficacy of our product candidates are time consuming, expensive and together take several years or more to complete. In addition, approval policies, regulations or the type and amount of clinical data necessary to gain approval may change during the course of a product candidate's clinical development and may vary among jurisdictions. We have not obtained regulatory approval for any product candidate and it is possible that none of our existing product candidates or any product candidates we may seek to develop in the future will ever obtain regulatory approval. Delays in regulatory approvals or rejections of applications for regulatory approval in the United States, Europe, Japan or other markets may result from many factors, including:

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Our inability to obtain sufficient funds required to complete clinical development, manufacturing development or regulatory review processes;



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Regulatory requests for additional analyses, reports, data, non-clinical and preclinical studies and clinical trials;



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Regulatory requests for additional product design work and testing;



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Regulatory questions regarding interpretations of data and results and the emergence of new information regarding our product candidates or other products;



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Clinical holds, other regulatory objections to commencing or continuing a clinical trial or the inability to obtain regulatory approval to commence a clinical trial in countries that require such approvals;



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Failure to reach agreement with the FDA or non-U.S. regulators regarding the scope or design of our clinical trials;



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Our inability to enroll or retain a sufficient number of subjects who meet the inclusion and exclusion criteria in our clinical trials;



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Our inability to conduct our clinical trials in accordance with regulatory requirements or our clinical trial protocols;



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Unfavorable or inconclusive results of clinical trials and supportive non-clinical studies, including unfavorable results regarding safety or efficacy of our product candidates during clinical trials;



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Failure to meet the level of statistical significance required for approval;

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Any determination that a clinical trial presents unacceptable health risks to subjects;



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Lack of adequate funding to commence or continue our clinical trials due to unforeseen costs or other business decisions;



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Our inability to reach agreements on acceptable terms with prospective CROs and trial sites, the terms of which can be subject to extensive negotiation and may vary significantly among different CROs and trial sites;



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Our inability to identify and maintain a sufficient number of sites, many of which may already be engaged in other clinical trial programs, including other clinical trials for the same indications targeted by our product candidates;



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Our inability to obtain approval from IRBs to conduct clinical trials at their respective sites;



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Our inability to timely obtain from our third-party manufacturer sufficient quantities or quality of the product candidate or other materials required for a clinical trial;



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Our inability to adequately address the cited deficiencies in the 2017 CRL;



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Corium's inability to adequately resolve the objectionable conditions observed by the FDA when inspecting the facility or our inability to find an alternative supplier;



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We may be unable to obtain approval for the manufacturing processes or Corium's facilities with whom we contract for clinical and commercial supplies;



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We may be unable to obtain agreement from the FDA on product labeling;



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We may have insufficient funds to pay the significant user fees required by the FDA upon the filing of any future NDAs; and



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We may have difficulty in maintaining contact with subjects, resulting in incomplete data.

        For example, we filed an NDA, with the FDA for Twirla in April 2012, which included results from two previously conducted Phase 3 clinical trials for Twirla. The FDA issued a CRL in February 2013, or the 2013 CRL, which identified certain issues, including a request for additional clinical data, quality information and chemistry, manufacturing and controls information, which needed to be addressed before approval could be granted. We continued to interact with the FDA on its chemistry manufacturing and control, or CMC, and other questions and continued additional supportive testing in order to respond to the FDA's CMC questions. In addition, we gathered the requested information and conducted an additional Phase 3 clinical trial for Twirla, which we refer to as the SECURE clinical trial.

        In December 2016, we completed the SECURE clinical trial and announced top-line data in early January 2017. In March 2017, at our request, we met with the FDA to share preliminary data from the SECURE clinical trial, including key safety data and BMI-related efficacy findings, and to seek FDA input as to whether the SECURE clinical trial results constitute a basis for addressing the clinical deficiencies cited in the 2013 CRL. We also requested feedback on whether the proposed Twirla NDA content would meet the FDA's requirements for submission. In April 2017, we received final meeting minutes from our March meeting with the FDA. The FDA indicated that based on the preliminary information provided by us, the SECURE clinical trial results appear acceptable for resubmission and provided feedback on our proposed approach to certain of the FDA's other questions in the 2013 CRL. The FDA further provided responses to us regarding the presentation of efficacy, safety and clinical pharmacology analyses in the NDA and requested that subgroup analysis of efficacy by body weight be provided. The FDA did not provide us with any feedback on whether the results of the SECURE clinical trial and the contents of the planned, resubmitted NDA will be sufficient to obtain regulatory approval of Twirla. Our resubmitted NDA was received by the FDA on June 26, 2017 and

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acknowledged as a complete response ready for FDA review on July 26, 2017, with a Target PDUFA Goal Date of December 26, 2017. The resubmitted NDA included efficacy and safety data from the SECURE clinical trial, the requested manufacturing information, and a summary response to the 2013 CRL and was intended to address the questions raised in the 2013 CRL.

        On December 21, 2017, the FDA issued the 2017 CRL, indicating that our resubmitted NDA could not be approved in its present form. The 2017 CRL identifies deficiencies relating to quality control adhesion test methods and specifications which are part of the manufacturing process for Twirla. The 2017 CRL also noted that objectionable conditions identified during an inspection of a facility of Corium, for the Twirla NDA must be resolved. Lastly, the 2017 CRL questions thein vivo adhesion properties of Twirla and their potential relationship to the SECURE clinical trial results, concluding that we have not established that Twirla has the adhesion properties requisite for safe and effective use at this time. The 2017 CRL contains recommendations for developing manufacturing in-process tests for ensuring the quality andin vivo adhesion of the commercial scale product as well as the finished drug specifications and release test method for adhesion. The 2017 CRL also recommends that the Company assess thein vivo adhesion properties demonstrated in the SECURE clinical trial and determine whether there is an adverse impact on the product. Finally, the 2017 CRL recommends that the Company address the implications of clinical trial subject patch compliance and the withdrawal and dropout rates. The 2017 CRL does not identify any specific issues relating to the safety of Twirla. Prior to receiving the 2017 CRL, we submitted an amendment to our NDA on December 1, 2017 in response to an information request from the FDA on the issues related to the quality control adhesion test methods cited in the 2017 CRL. In the 2017 CRL, the FDA acknowledged receipt of the amendment and stated that the amendment was not reviewed prior to the FDA's action. In addition, on November 20, 2017 and December 1, 2017, Corium provided the FDA with responses to each of the observations made during the FDA's facility inspection. Under the FDA's regulations, we are entitled to request a Type A meeting with the FDA within 90 days of receiving a CRL, and the FDA has a goal to grant us a meeting date within 30 days of the meeting request. We have submitted a request for a Type A meeting to the FDA to discuss the deficiencies in the Twirla NDA and the regulatory path for approval of Twirla. We plan to provide an update on the outcome of the Type A meeting after we receive the official meeting minutes from the FDA and we will then be better able to determine when we will resubmit our Twirla NDA.

        Consistent with our previous NDA resubmission in 2017, we currently expect that our resubmission of the NDA responding to the 2017 CRL will be categorized as a Type 2 resubmission and receive a review period of six months from the date of resubmission of the NDA.

        The FDA's review of our planned NDA resubmission is subject to all the risks described above in addition to, among other things, the FDA's assessment of our specific response to the 2017 CRL and the efficacy and safety of Twirla as demonstrated in the final SECURE clinical trial results. The FDA may not agree that our CRL response addresses the agency's concerns or may find that Corium has not adequately addressed the objectionable conditions observed by the FDA during its inspection of the manufacturing facility. If Corium is not able to adequately address the objectionable conditions observed by the FDA, we may need to find an alternative supplier, which would take time and monetary expenditures, and for which there is no guarantee that we will be able to find an acceptable alternative or form a relationship on favorable terms. The FDA may also find that our clinical trial results, including the SECURE clinical trial, do not demonstrate the safety or efficacy of Twirla. The lengthy and unpredictable approval process, as well as the unpredictability of future clinical trial results, may result in our failure to obtain regulatory approval to market Twirla or any of our other potential product candidates, which would significantly harm our business, financial condition, results of operations, and prospects and we may be unable to continue our operations at planned levels and be forced to reduce, or even terminate, our operations.

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The publicly reported results of the SECURE clinical trial are based on top-line data and may ultimately differ from actual results submitted to the FDA.

        In January 2017, we publicly reported top-line results of the SECURE clinical trial. Generally, top-line results are based on preliminary analyses of efficacy and safety data, and therefore the reported results, findings and conclusions related to the SECURE clinical trial were subject to change following the full analysis. Since the initial reporting of the top-line data, all analyses in the statistical analysis plan have been completed and submitted to the FDA. Additional public disclosures of clinical trial data have also been provided in the form of posters and an oral presentation although such public disclosures did not contain the complete, final clinical trial results. The clinical trial data that were submitted to the FDA in our NDA for Twirla on June 26, 2017, contained the final, complete clinical trial results, and contain minor differences from the results that were reported in January 2017 and subsequent posters and oral presentation. While, as expected, minor updates in the study results have occurred since the original top-line data were reported, we believe the overall conclusions regarding the efficacy and safety results of the SECURE clinical trial have not changed. However, third parties, including regulatory agencies, may not accept or agree with our assumptions, estimations, calculations or analyses or may interpret or weigh the importance of data differently, which could impact the potential for approval of Twirla, or if approved, the labeling and commercial value of Twirla and our business in general.

The FDA may disagree with our interpretation of clinical results obtained from the SECURE clinical trial, our results do not guarantee support for regulatory approval of our NDA, and, even if the SECURE clinical trial data are deemed to be positive by the FDA, the FDA may disagree with other aspects of the SECURE clinical trial and decline to approve Twirla for the proposed indication.

        We have reported positive top-line data from the SECURE clinical trial. However, even if we believe that the data from the SECURE clinical trial are positive, the FDA could determine that the data from the SECURE clinical trial were negative or inconclusive or could reach a different conclusion than we did on that same data. For instance, following our resubmission of our NDA, the FDA issued the 2017 CRL and raised questions on thein vivo adhesion properties of Twirla and their potential adverse impact on our phase 3 clinical trial results, concluded that we have not established that Twirla has the adhesion properties requisite for safe and effective use at this time, and recommended that we assess thein vivo adhesion properties demonstrated in the SECURE clinical trial and determine whether there is an adverse impact on the product, among other recommendations and deficiencies further described elsewhere in this Annual Report on Form 10-K. Negative or inconclusive results of a clinical trial or difference of opinion could cause the FDA to decline to approve our application or require us to repeat the trial or conduct additional clinical trials prior to obtaining approval for commercialization, and there is no guarantee that additional trials would achieve positive results to the satisfaction of the FDA or that the FDA will agree with our interpretation of the results. Any such determination by the FDA would delay the timing of our commercialization plan for Twirla or prevent its further development, or the further development of our other potential product candidates, and adversely affect our business operations. Additionally, the FDA may provide review commentary at any time during the resubmission and review process which could delay the review timeline, adversely affect the review process, or even prevent the approval of Twirla, any of which would adversely affect our business. We may not be able to appropriately remedy issues that the FDA has raised in the 2017 CRL or may raise in its review of our NDA resubmission responding to the 2017 CRL, and we may not have sufficient time or financial resources to conduct future activities to remediate issues raised by the FDA. Moreover, Corium may not be able to remedy the objectionable conditions found during the FDA's facility inspection and we may not be able to find an alternative supplier.

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        In March 2017, at our request, we met with the FDA to share preliminary data from the SECURE clinical trial, including key safety data and BMI-related efficacy findings, and to seek FDA input as to whether the SECURE clinical trial results constituted a basis for addressing the clinical deficiencies cited in the 2013 CRL. We also requested feedback on whether the proposed Twirla NDA content would meet the FDA's requirements for submission. In April 2017, we received final meeting minutes from our March meeting with the FDA. The FDA indicated that based on the preliminary information provided by us, the SECURE clinical trial results appear acceptable for resubmission and provided feedback on our proposed approach to certain of the FDA's other questions in the 2013 CRL. The FDA further provided responses to us regarding the presentation of efficacy, safety and clinical pharmacology analyses in the NDA and requested that subgroup analysis of efficacy by body weight be provided. The FDA did not provide us with any feedback on whether the results of the SECURE clinical trial and the contents of the planned, resubmitted NDA would be sufficient to obtain regulatory approval of Twirla. There is no guarantee that the data obtained from the SECURE clinical trial will be supportive of, or guarantee, or result in our successfully obtaining FDA approval of Twirla in a timely fashion and for a commercially viable indication, if at all. For example, when we resubmit our NDA to respond to the 2017 CRL, the FDA could determine that the trial did not meet its objectives, or the FDA could still have concerns regarding the conduct of the SECURE clinical trial, including regarding discontinuance of subjects from the trial. At any future point in time, the FDA could require us to complete further clinical or preclinical trials or take other actions which could delay or preclude approval of the NDA and would require us to obtain significant additional funding. There is no guarantee such funding would be available to us on favorable terms, if at all, nor is there any guarantee that FDA would consider any additional information complete or sufficient to support approval. In connection with its review of the planned Twirla resubmission NDA responding to the 2017 CRL, the FDA may hold an advisory committee meeting to obtain committee input on the safety and efficacy of Twirla. Typically, advisory committees will provide responses to specific questions asked by the FDA, including the committee's view on the approvability of the product candidate under review. Advisory committee decisions are not binding but an adverse decision at the advisory committee may have a negative impact on the regulatory review of Twirla. Additionally, we may choose to engage in the dispute resolution process with the FDA if we do not receive approval, which could extend the timeline for any potential approval.

        Further, we plan to resubmit our NDA for Twirla with the clinical data from the SECURE clinical trial and additional information and analyses responding to the 2017 CRL. There is no guarantee that such information, data and analyses will be deemed sufficient by the FDA. While we designed the protocols for the SECURE clinical trial and completed analyses to address the issues raised in the 2013 CRL, and are completing the analyses and other requested items from the 2017 CRL, there is no guarantee that the FDA will deem such steps to be sufficient to address those issues when they are formally reviewed as a part of an NDA resubmission or to demonstrate safety and efficacy to the satisfaction of the FDA. The FDA has significant discretion in the review process, and we cannot predict whether the FDA will agree with our conclusions regarding the results of the SECURE clinical trial, including whether our data are reliable and generalizable. For example, the FDA may disagree with our calculations relating to the number of pregnancies occurring on study, or may view the SECURE clinical trial data, and other information and analyses as insufficient to demonstrate a favorable benefit/risk profile for approval for the proposed indication. In addition, based on top-line data, the Pearl Index for the overall intent to treat population of subjects 35 years of age and under was 4.80 with an upper-bound of the 95% confidence interval of 6.06, but in the obese subpopulation of subjects 35 years of age and under, the Pearl Index was 6.42 with an upper-bound of the 95% confidence interval of 8.88. If we were to exclude the top-line data on the obese subpopulation, our Pearl Index for non-obese patients was 3.94 with an upper-bound of the 95% confidence interval of 5.35. The highest Pearl Index for a hormonal contraceptive product approved by the FDA to date was 3.19 and the highest upper-bound of the 95% confidence interval was 5.03. In the combined safety

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database for our three Agile Phase 3 trials (n>3,000), there were 5 subjects with potentially study drug related DVTs or PEs, 4 of whom were obese (BMI³ 30 kg/m²). Although ultimate approvability of a hormonal contraceptive is based on a risk/benefit assessment of the overall safety and efficacy profile of a product, not only a specific Pearl Index, the FDA could conclude that our Pearl Index for either the overall study population or a subgroup of the study population or only the non-obese study population is too high to demonstrate efficacy and an adequate risk/benefit profile, and as such, the FDA could decline to approve Twirla on this or any other basis. Also, the FDA may not agree with our analysis of the relationship between BMI and efficacy for Twirla and the FDA may interpret our overall data differently than we do and may decline to approve Twirla on this or any other basis. Furthermore, in connection with the 2017 CRL, the FDA raised questions on thein vivo adhesion properties of Twirla and their potential relationship to our phase 3 clinical trial results, concluded that we have not established that Twirla has the adhesion properties requisite for safe and effective use at this time, and recommended that we assess thein vivo adhesion properties demonstrated in the SECURE clinical trial and determine whether there is an adverse impact on the product. The FDA also recommended we address the implications of clinical trial subject patch compliance and the withdrawal and dropout rates, among other recommendations and deficiencies further described elsewhere in this Annual Report on Form 10-K.

        Moreover, even if we obtain approval of Twirla, any such approval might significantly limit the approved indications for use, including by limiting the approved label for use by more limited patient populations than we propose, require that precautions, contraindications or warnings be included on the product labeling, including black box warnings, require expensive and time-consuming post-approval clinical studies, risk evaluation and mitigation strategies, or REMS, or surveillance as conditions of approval, or, through the product label, the approval may limit the claims that we may make, which may impede the successful commercialization of Twirla. For example, the FDA may deem the higher Pearl Index in the obese subpopulation when combined with safety findings for this subpopulation to warrant a labeling limitation or warning for such subpopulation, which could limit the commercial potential of the product, if approved. Moreover, because we did not conduct any head-to-head studies of Twirla against Ortho Evra, we will not be able to make direct comparative claims regarding the safety, efficacy or pharmacokinetics of Twirla and Ortho Evra or its generic version, Xulane®.

Failure can occur at any stage of clinical development. If the clinical trials for Twirla or any of our current or future product candidates are unsuccessful, we could be required to abandon development.

        Clinical testing is expensive and can take many years to complete, and its outcome is inherently uncertain. A failure of one or more clinical trials can occur at any stage of testing for a variety of reasons. The outcome of preclinical testing and early clinical trials may not be predictive of the outcome of later clinical trials, and interim results of a clinical trial do not necessarily predict final results. In some instances, there can be significant variability in safety or efficacy results between different trials of the same product candidate due to numerous factors, including changes in or adherence to trial protocols, differences in size and type of the subject populations and the rates of dropout among clinical trial subjects. Our future clinical trial results therefore may not demonstrate safety and efficacy sufficient to obtain regulatory approval for our product candidates. For example, we received the 2013 CRL from the FDA with respect to an NDA previously filed for Twirla, in which the FDA requested, among other items, additional Phase 3 clinical data to support the application. The SECURE clinical trial was designed in consultation with the FDA and is different than the design of our previous clinical trials of Twirla and it is possible that the FDA could conclude that there was significant variability in the safety and efficacy results of these trials. Additionally, while our SECURE clinical trial was designed and implemented in a manner to address the FDA's comments and guidance, it is possible that the FDA could ultimately conclude that the data are not supportive of approval. Specifically, following our resubmission of our NDA, the FDA issued the 2017 CRL and raised questions on thein vivo adhesion properties of Twirla and their potential adverse impact on our

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phase 3 clinical trial results, concluded that we have not established that Twirla has the adhesion properties requisite for safe and effective use at this time, and recommended that we assess thein vivo adhesion properties demonstrated in the SECURE clinical trial and determine whether there is an adverse impact on the product, among other recommendations and deficiencies further described elsewhere in this Annual Report on Form 10-K.A number of companies in the biopharmaceutical industry have suffered significant setbacks in advanced clinical trials due to lack of efficacy or adverse safety profiles, notwithstanding promising results in earlier trials. Our clinical trials may not be successful.

        Flaws in the design of a clinical trial may not become apparent until the clinical trial is well-advanced. We have limited experience in designing contraceptive clinical trials and may be unable to design and execute clinical trials to support regulatory approval of our product candidates. In addition, clinical trials often reveal that it is not practical or feasible to continue development efforts for a product candidate.

        We may voluntarily suspend or terminate our clinical trials if at any time we believe that they present an unacceptable risk to subjects. Furthermore, regulatory agencies, Institutional Review Boards, or IRBs, or data safety monitoring boards, if utilized in our clinical trials, may at any time order the temporary or permanent discontinuation of our clinical trials or request that we cease using certain investigators in the clinical trials if such regulatory agencies or boards believe that the clinical trials are not being conducted in accordance with applicable regulatory requirements or that they present an unacceptable safety risk to subjects. Since our inception, we have not voluntarily or involuntarily suspended or terminated a clinical trial due to unacceptable safety risks to subjects.

        If the results of the clinical trials for our current product candidates or clinical trials for any future product candidates do not achieve the primary efficacy endpoints or demonstrate unexpected safety issues, the prospects for approval of our product candidatescommon stock will be materially adversely affected. For example, in the 2013 CRL that we received from the FDA in connection with the NDA previously filed for Twirla, one of the FDA's comments was that acceptable evidence of efficacy was not demonstrated, as measured by Pearl Index, or PI. Specifically, in our completed Phase 3 trials, the PI was higher than that seen in registration trials for previously approved hormonal contraceptives. Experts seem to agree that inconsistent or incorrect use is a major contributor to the increased PI seen in more recent contraceptive trials. The PI values from clinical trials are also affected by additional factors, including differences in study design, increased sensitivity of early pregnancy tests, weight and body mass index, or BMI, of the study population and user experience. For example, consistent with other recent hormonal contraceptive clinical trials, including Ortho Evra® and Quartette®, and the 2015 meta-analysis conducted by the FDA authors on the effect of obesity on the effectiveness of hormonal contraceptives, a relationship between obesity and efficacy was observed among subjects 35 years of age and under in our SECURE clinical trial. Moreover, preclinical and clinical data are often susceptible to varying interpretations and analyses, and many companies that believed their product candidates performed satisfactorily in preclinical studies and clinical trials have failed to achieve similar results in later clinical trials, including longer-term trials, or have failed to obtain regulatory approval of their product candidates. Many compounds that initially showed promise in clinical trials or earlier preclinical studies have later been found to cause undesirable or unexpected adverse effects that have prevented further development of the compound. The FDA may interpret the data from the SECURE clinical trial differently than we do and may decline to approve Twirla on this or any other basis.

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        In addition to the circumstances noted above, we may experience numerous unforeseen events that could cause our clinical trials to be delayed, suspended or terminated, or which could delay or prevent our ability to receive regulatory approval for or commercialize our product candidates, including:

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Clinical trials of our product candidates may produce negative or inconclusive results, and we may decide, or regulators may require us, to conduct additional clinical trials or implement a clinical hold;



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The number of subjects required for clinical trials of our product candidates may be larger than we anticipate, enrollment in these clinical trials may be slower than we anticipate, or participants may drop out of these clinical trials at a higher rate than we anticipate. For instance, we experienced a high withdrawal rate in our original Phase 3 clinical trials for Twirla and we experienced slower than anticipated enrollment in our SECURE clinical trial;



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Our third-party contract research organization, or CRO, or study sites may fail to comply with regulatory requirements or the clinical trial protocol or meet their contractual obligations to us in a timely manner, or at all. For instance, investigator compliance with study procedures was an issue that we encountered in our two Phase 3 clinical trials for Twirla completed prior to SECURE;



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Regulators or IRBs may not authorize us or our investigators to commence a clinical trial or conduct a clinical trial at a prospective trial site or amend a trial protocol;



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We may have delays in reaching or fail to reach agreement on acceptable clinical trial contracts or clinical trial protocols with prospective trial sites and our CRO;



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We may have delays in adding new investigators or clinical trial sites, or we may experience a withdrawal of clinical trial sites;



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We may elect or be required to suspend or terminate clinical trials of our product candidates based on a finding that the subjects are being exposed to health risks, or due to other reasons;



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The cost of clinical trials for our product candidates may be greater than we anticipate;



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The supply or quality of our product candidates or other materials necessary to conduct clinical trials of our product candidates may be insufficient or inadequate;



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There may be changes in government regulations or administrative actions;



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Our product candidates may have undesirable adverse effects or other unexpected characteristics;



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We may not be able to demonstrate that a product candidate's clinical and other benefits outweigh its safety risks;



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We may not be able to demonstrate that a product candidate provides an advantage over current standards of care or future competitive therapies in development; and



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There may be changes in the approval policies or regulations that render our data insufficient for approval.

        If we elect or are required to suspend or terminate a clinical trial for any of our product candidates, or our product candidate development is otherwise delayed, our development costs may increase, our commercial prospects will be adversely impacted, any periods during which we may have the exclusive right to commercialize our product candidates may be shortened and our ability to generate product revenues may be delayed or eliminated.

        In December 2016, we completed our SECURE clinical trial for Twirla and, as we have previously announced, we expect to conduct additional clinical trials in the future for our other potential product

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candidates subject to available funding. Subject enrollment for our future clinical trials, which is a significant factor in the timing of clinical trials, is affected by a variety of factors, including the following:

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Size and nature of the subject population;



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Proximity of subjects to clinical sites and the number of sites;



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Effectiveness of publicity created by clinical trial sites regarding the trial;



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Eligibility and exclusion criteria for the trial;



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Design of the clinical trial, including factors such as frequency of required assessments, length of the study and ongoing monitoring requirements;



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Competing clinical trials;



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Clinician and subject perceptions as to the potential advantages or disadvantages of the product candidate being studied in relation to other available therapies, including any products that may be approved for the indications we are investigating;



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Subjects' ability to comply with the specific instructions related to the trial protocol, proper documentation and use of the drug product. For instance, in our two Phase 3 clinical trials for Twirla completed prior to SECURE, there was a high rate of subject noncompliance;



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Inability to obtain or maintain subject informed consents;



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Risk that enrolled subjects will drop out before completion;



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Subject's relationship with her partner; and



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Other events that may occur and are beyond our control.

        Furthermore, we plan to rely on a CRO and clinical trial sites to ensure the proper and timely conduct of our clinical trials, and while we may have agreements governing their committed activities, we have limited influence over their actual performance. Additionally, the CRO and clinical trial sites may have business, regulatory, personnel or other issues that keep us from satisfactorily completing our clinical trials. Any delays or unanticipated problems during clinical trials, such as additional monitoring of clinical trial sites, slower than anticipated enrollment in our clinical trials or subjects dropping out of or being excluded from participation in our clinical trials at a higher rate than we anticipate, could increase our costs, slow down our product development and approval process and harm our business. For example, we experienced a slower than expected rate of enrollment for our SECURE clinical trial of Twirla, which we began enrolling in the fourth quarter of 2014, and, as a result, we completed the clinical trial in December 2016.

Changes in regulatory requirements and guidance may also occur and we may need to amend clinical trial protocols submitted to applicable regulatory authorities or conduct additional studies to reflect these changes. Amendments and additional studies may require us to resubmit clinical trial protocols to Institutional Review Boards and regulatory authorities for re-examination, which may impact the costs, timing or successful completion of a clinical trial.

        If we are required to conduct additional clinical trials or other studies with respect to any of our product candidates beyond those that we contemplated, if we are unable to successfully complete our clinical trials or other studies or if the results of these studies are not positive or are only modestly positive, we may be delayed in obtaining regulatory approval for our product candidates, we may not be able to obtain regulatory approval at all or we may obtain approval for indications that are not as broad as intended. For example, the FDA issued the 2013 CRL in response to our original NDA for Twirla requesting, among other items, an additional Phase 3 clinical study, which has delayed our ability

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to obtain regulatory approval for that product candidate. Furthermore, the FDA issued the 2017 CRL in response to the NDA we resubmitted in 2017 and raised questions on thein vivo adhesion properties of Twirla and their potential relationship to our phase 3 clinical trial results, concluded that we have not established that Twirla has the adhesion properties requisite for safe and effective use at this time, and recommended that we assess thein vivo adhesion properties demonstrated in the SECURE clinical trial and determine whether there is an adverse impact on the product candidate. The FDA also recommended we address the implications of clinical trial subject patch compliance and the withdrawal and dropout rates, among other recommendations and deficiencies further described elsewhere in this Annual Report on Form 10-K. We may also experience delays due to changes in regulatory requirements and guidance, which may require protocol amendments or the conduct of additional studies. These amendments and additional studies may require regulatory or IRB approval. The approval and conduct of these studies may delay, limit or preclude regulatory approval for our product candidates. Our product development costs will also increase if we experience delays in testing or approvals and we may not have sufficient funding to complete the testing and approval process for any of our product candidates. Significant clinical trial delays could allow our competitors to bring products to market before we do and impair our ability to commercialize our products if and when approved. If any of this occurs, our business will be materially harmed.

Our product candidates may have undesirable adverse effects, which may delay or prevent regulatory approval or, if approval is received, require our products to be taken off the market, require them to include safety warnings or otherwise limit their sales.

        Unforeseen adverse effects from any of our product candidates could arise either during clinical development or, if approved, after the approved product has been marketed. In the combined safety population of our Phase 3 trials completed prior to the SECURE clinical trial, there were a total of 22 serious adverse events, or SAEs, of which 16 occurred in the Twirla cohort, which had approximately 2.3 times as many subjects as the oral contraceptive comparator cohort. Three of the 16 SAEs in the Twirla cohort (0.2% of the overall Twirla safety population) were considered to be possibly related to Twirla, and included one drug overdose with Benadryl, one case of uncontrollable nausea and vomiting and one instance of DVT. In addition to the SAEs described above, some subjects taking Twirla experienced non-serious adverse events, such as nausea, headache, application site irritation and breast tenderness. Subjects receiving the oral contraceptive comparator also experienced non-serious adverse events such as nausea, headache and breast tenderness, though at different rates. In the SECURE clinical trial, SAEs were observed in approximately 2.0% of the SECURE clinical trial population, and 0.6% of subjects had SAEs that were considered potentially study drug related, including DVT, PE, gallbladder disease, ectopic pregnancy, and depression. In the combined safety database for the three Agile Phase 3 trials (n >3,000), there were 5 subjects with potentially study drug related DVTs or PEs, 4 of whom were obese (BMI >30kg/m²).

        Any undesirable adverse effects that may be caused by our product candidates could interrupt, delay or halt clinical trials and could result in more restrictive labeling or the denial of regulatory approval by the FDA or other regulatory authorities for any or all targeted indications, and in turn prevent us from commercializing our product candidates and generating revenues from their sale. For instance, the FDA may determine that for specific subgroups of patients, Twirla has lower efficacy and presents a higher risk. Accordingly, the FDA may not approve our Twirla NDA or may require labeling restrictions. By example, the FDA may require labeling restrictions on the use of Twirla for patients in certain BMI categories. Adverse effects in any clinical trial could also impact subject recruitment or the ability or willingness of enrolled subjects to complete the trial or result in product liability claims. Any of these occurrences may harm our business, financial condition and prospects significantly.

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        In addition, if any of our product candidates receive regulatory approval and we or others later identify undesirable adverse effects caused by the product, we could face one or more of the following consequences:

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We may suspend marketing of, withdraw or recall the product;



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Regulatory authorities may require the addition of labeling statements, such as a black box warning or a contraindication, or other labeling changes;



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Regulatory authorities may withdraw their approval of the product;



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Regulatory authorities may seize or detain the product or seek an injunction against its manufacture or distribution;



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The FDA or other regulatory authorities may issue safety alerts, Dear Healthcare Provider letters, press releases or other communications containing warnings or other safety information about the product;



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The FDA may require the establishment or modification of a REMS or a comparable foreign authority may require the establishment or modification of a similar strategy that may, for instance, require us to issue a medication guide outlining the risks of such adverse effects for distribution to patients, or restrict distribution of the product, if and when approved, and impose burdensome implementation requirements on us;



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We may be required to conduct additional trials;



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We may be required to change the way that the product is administered;



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We may be subject to litigation or product liability claims, fines, injunctions or criminal penalties;



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Regulatory authorities may impose additional restrictions on marketing and distribution of the product; and



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Our reputation may suffer.

        Any of these events could prevent us from achieving or maintaining market acceptance of the affected product or could substantially increase the costs and expenses of commercializing such product, which in turn could delay or prevent us from generating significant revenues from its sale.

Our development and commercialization strategy for Twirla depends, in part, on published scientific literature and the FDA's prior findings regarding the safety and efficacy of approved products containing Ethinyl Estradiol and Levonorgestrel based on data not developed by us, but upon which the FDA may rely in reviewing our NDA.

        The Hatch-Waxman Act added Section 505(b)(2) to the Federal Food, Drug and Cosmetic Act, or FDCA, Section 505(b)(2) permits the filing of an NDA where at least some of the information required for approval comes from investigations that were not conducted by or for the applicant and for which the applicant has not obtained a right of reference or use from the person by or for whom the investigations were conducted. The FDA interprets Section 505(b)(2) of the FDCA, for purposes of approving an NDA, to permit the applicant to rely, in part, upon published literature or the FDA's previous findings of safety and efficacy for an approved product. The FDA also requires companies to perform additional clinical trials or measurements to support any deviation from the previously approved product and to support the reliance on the applicable published literature or referenced product. The FDA may then approve the new product candidate for all or some of the label indications for which the referenced product has been approved, as well as for any new indication sought by the Section 505(b)(2) applicant. The label, however, may require all or some of the limitations,

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contraindications, warnings or precautions included in the reference product's label, including a black box warning, or may require additional limitations, contraindications, warnings or precautions. We have submitted an NDA for Twirla under Section 505(b)(2) and as such the NDA relied, in part, on the FDA's previous findings of safety and efficacy from investigations for approved products containing ethinyl estradiol, or EE, and levonorgestrel, or LNG, and published scientific literature for which we have not received a right of reference. We also plan to rely on the 505(b)(2) pathway for our other product candidates. We received the 2013 CRL in response to our initial Section 505(b)(2) NDA for Twirla, as well as our NDA resubmission. Even though we may be able to take advantage of Section 505(b)(2) to support potential U.S. approval for Twirla, the FDA may require us to perform additional clinical trials or measurements to support approval over and above the clinical trials that we have already completed. In addition, notwithstanding the approval of many products by the FDA pursuant to Section 505(b)(2), over the last few years some pharmaceutical companies and others have objected to the FDA's interpretation of Section 505(b)(2). If the FDA changes its interpretation of Section 505(b)(2), or if the FDA's interpretation is successfully challenged in court, this could delay or even prevent the FDA from approving any Section 505(b)(2) NDAs that we submit. Such a result could require us to conduct additional testing and costly clinical trials, which could substantially delay or prevent the approval and launch of our product candidates, including Twirla.

Our product candidates may be considered to be combination products by FDA. If they are, the requirements that we are required to comply with will be more complex.

        Our product candidates may be considered by the FDA to be drug-device combination products. While our product candidates, as a whole, will be subject to the drug approval process, we and any of our contractors will be required to comply with the FDA regulatory requirements related to both drugs and devices. For instance, drug-device combination products must comply with both the drug cGMPs and device QSRs, which may be done using a streamlined approach. Additionally, drug-device combination products will be subject to additional reporting requirements. The development of drug-device combination products will also be more complex because the sponsor of the product application will need to demonstrate the combined safety and efficacy of the drug and device components. These requirements will require additional effort and monetary expenditure to ensure that our and our partners' products and product candidates are in compliance.

Risks Related to Our Financial Position and Need for Capital

We have incurred operating losses in each year since our inception and expect to continue to incur substantial losses for the foreseeable future. These factors raise substantial doubt about our ability to continue as a going concern.

        We have incurred losses in each year since our inception in December 1997. Our net loss was $28.3 million, $28.7 million and $30.3 million for the years ended December 31, 2017, 2016 and 2015, respectively. As of December 31, 2017, we had an accumulated deficit of approximately $221.8 million. We believe that our existing cash and cash equivalents will not be sufficient to fund our current and planned operations through the 12 months following the date of our auditor's report (March 12, 2018), which raises substantial doubt about our ability to continue as a going concern. Substantial doubt about our ability to continue as a going concern may create negative reactions to the price of our common stock and we may have a more difficult time obtaining financing in the future.

        Specialty pharmaceutical product development is a speculative undertaking, involves a substantial degree of risk and is a capital-intensive business. We expect to incur expenses without corresponding revenues until we are able to obtain regulatory approval and subsequently sell Twirla in significant quantities, which may not happen. We have devoted most of our financial resources to research and development, including our non-clinical development activities and clinical trials. We expect to incur increased expenses as we complete the development of Twirla, respond to the 2017 CRL and seek

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regulatory approval of Twirla, complete the qualification and validation of our commercial manufacturing process, initiate pre-launch commercial activities, commercially launch Twirla, advance our other potential product candidates and expand our research and development programs. Substantially all of our resources are currently dedicated to developing and seeking regulatory approval for Twirla. We will require additional capital to fund operating needs beyond 2018, including among other items, the resumption and completion of our commercial plan for Twirla, which primarily includes validation of our commercial manufacturing process and the commercial launch of Twirla, if approved, and advancing the development of our other potential product candidates. To date, we have financed our operations primarily through sales of common stock, convertible preferred stock and convertible promissory notes and to a lesser extent, through term loans and government grants. Our product candidates will require the completion of regulatory review, significant marketing efforts and substantial investment before they can provide us with any revenue.

        Assuming we obtain FDA approval, we expect that our expenses will increase as we prepare for the commercial launch of Twirla. As a result, we expect to continue to incur substantial losses for the foreseeable future, and these losses may increase. We are uncertain when or if we will be able to achieve or sustain profitability. If we achieve profitability in the future, we may not be able to sustain profitability in subsequent periods. Failure to become and remain profitable would impair our ability to sustain operations and adversely affect the price of our common stock and our ability to raise capital. We are significantly dependent on the success of Twirla and if we do not obtain FDA approval of Twirla and/or are unable to obtain additional funding, we will need to reassess our operating capital needs and may be unable to continue our operations at planned levels and be forced to reduce, or even terminate, our operations.

We have never been profitable. Currently, we have no products approved for commercial sale, no source of revenue and we may never become profitable.

        We have never been profitable and do not expect to be profitable in the foreseeable future. We have no products approved for commercial sale and to date have not generated any revenue from product sales. Our ability to generate revenue and become profitable depends upon our ability to successfully complete the development of and obtain the necessary regulatory approvals for our product candidates. We have been engaged in developing Twirla and our Skinfusion® technology since our inception. To date, we have not generated any revenue from Twirla, and we may never be able to obtain regulatory approval for the marketing of Twirla. Further, even if we are able to gain approval for and commercialize Twirla or any other potential product candidate, there can be no assurance that we will generate significant revenues or ever achieve profitability. Our ability to generate product revenue depends on a number of factors, including our ability to:

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Successfully complete development of, and receive regulatory approval for Twirla and our other potential product candidates;



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Obtain additional capital for the commercial scale-up of Twirla manufacturing process and commercial launch of Twirla, if approved, as well as advancing the development or our other potential product candidates;



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Set an acceptable price for our products, if approved, and obtain adequate coverage and reimbursement from third party payors;



•

Obtain commercial quantities of our products, if approved, at acceptable cost levels from our third party manufacturer; and



•

Successfully market and sell our products, if approved, in the United States and abroad.

        In addition, because of the numerous risks and uncertainties associated with product candidate development, we are unable to predict the timing or amount of increased expenses, or when, or if, we

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will be able to achieve or maintain profitability. In addition, our expenses could increase beyond our current expectations and resources if we are required by the FDA or other regulatory authorities to perform studies or conduct additional work to support regulatory approval in addition to those that we currently anticipate. Even if our product candidates are approved for commercial sale, we anticipate incurring significant costs associated with the commercial launch of these products.

        Our ability to become and remain profitable depends on our ability to generate revenue. Even if we are able to generate revenues from the sale of our products, if approved, we may not become profitable and may need to obtain additional funding to continue operations. If we fail to become profitable or obtain additional funding, or are unable to sustain profitability on a continuing basis, then we may be unable to continue our operations at planned levels and be forced to reduce our operations. Even if we do achieve profitability, we may not be able to sustain or increase profitability on a quarterly or annual basis. Our failure to become and remain profitable would decrease the value of our company and could impair our ability to raise capital, expand our business or continue our operations. A decline in the value of our company could also cause you to lose all or part of your investment.

If we fail to obtain the capital necessary to fund our operations, we may be unable to obtain regulatory approval of or commercialize Twirla in the United States and we could be forced to share our rights to commercialize Twirla with third parties on terms that may not be favorable to us.

        We need large amounts of capital to support our development and commercialization efforts for Twirla. If we are unable to secure sufficient capital to fund our operations, we will not be able to continue these efforts and may not be able to obtain regulatory approval of, or commercialize, Twirla in the U.S. Additionally, in order to raise additional capital, we might have to enter into strategic collaborations that could require us to share commercial rights to Twirla with third parties in ways that we currently do not intend or on terms that may not be favorable to us. Our cash and cash equivalents were $35.9 million as of December 31, 2017. In January 2018, following our receipt of the 2017 CRL, we significantly scaled back our preparations for commercialization of Twirla, including commercial pre-launch and manufacturing validation activities, pending our ability to address the 2017 CRL and receive approval of Twirla. Based on these actions and our current business plan, we believe that our cash and cash equivalents as of December 31, 2017 will be sufficient to meet our operating requirements through the end of 2018. Our current business plan assumes resubmission of our NDA for Twirla in the second quarter of 2018, a six-month FDA review of our NDA resubmission, and resumption of both pre-launch commercial activities and pre-validation and validation of our manufacturing process after Twirla approval. We will require additional capital to fund operating needs beyond 2018, including among other items, the resumption and completion of our commercial plan for Twirla, which primarily includes validation of our commercial manufacturing process and the commercial launch of Twirla, if approved, and advancing the development of our other potential product candidates. We cannot assure you that the FDA will approve Twirla, that the FDA's timeline for review will be within six months, or that we will timely complete the qualification and validation of our commercial manufacturing process. We may also need to raise additional funds prior to the end of 2018 if we choose to accelerate elements of our commercial plan or we encounter any unforeseen events that affect our current business plan. Adequate additional funding may not be available to us on acceptable terms, or at all. If we are unable to raise capital when needed or on attractive terms and not enter into strategic collaborations, we may be required to curtail our current development programs, cut operating costs, forgo future development and other opportunities or even terminate our operations, which may involve seeking bankruptcy protection.

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Our operating activities may be restricted as a result of covenants related to the outstanding indebtedness under our loan agreement and we may be required to repay the outstanding indebtedness in an event of default, which could have a materially adverse effect on our business.

        In February 2015, we entered into a loan and security agreement, referred to herein as the Hercules Loan Agreement, with Hercules Capital, Inc., or Hercules, for a term loan of up to $25.0 million. The Hercules Loan Agreement was amended effective August 25, 2016. A first tranche of $16.5 million was funded upon execution of the Hercules Loan Agreement, approximately $15.5 million of which was used to repay our term loan with Oxford. Under terms of the Hercules Loan Agreement, we may, but are not obligated to, draw an additional tranche of up to $8.5 million through March 31, 2017, subject to the achievement of certain clinical milestones. The Hercules Loan Agreement was further amended in May 2017 to extend the period during which we could have drawn the additional tranche of $8.5 million to January 31, 2018. We are currently in discussions with Hercules to extend the period during which the additional tranche of $8.5 million may be drawn. We can make no assurances that our discussions will ultimately be successful and, if such discussions result in an extension of the period in which we may draw the additional tranche of $8.5 million, we could incur additional fees to Hercules. If we cannot successfully negotiate the extension of the draw down period with Hercules, we will lose access to additional tranche of the term loan as a potential source of capital.

        The Hercules Loan Agreement subjects us to various customary covenants, including requirements as to financial reporting and insurance, and restrictions on our ability to dispose of our business or property, change our line of business, liquidate or dissolve, enter into any change in control transaction, merge or consolidate with any other entity or acquire all or substantially all the capital stock or property of another entity, incur additional indebtedness, incur certain types of liens on our property, including our intellectual property, pay any dividends or other distributions on our capital stock other than dividends payable solely in capital stock or redeem our capital stock. Our business may be adversely affected by these restrictions on our ability to operate our business.

        The Hercules Loan Agreement is secured by substantially all of our property other than our intellectual property. As a result of the amendment to the Hercules Loan Agreement, we were required to make interest-only payments through January 2017. On February 1, 2017, we began making principal payments with respect to the Hercules Loan. The Hercules Loan Agreement currently bears interest at rate of 9.25% per annum and matures on December 1, 2018.

        Additionally, we may be required to repay the outstanding indebtedness under the term loan if an event of default occurs under the Hercules Loan Agreement. Under the Hercules Loan Agreement, an event of default will occur if, among other things, we fail to make payments under the Hercules Loan Agreement or we breach any of our covenants under the Hercules Loan Agreement, subject to specified cure periods with respect to certain breaches; Hercules determines in good faith that we are unable to satisfy our obligations under the Hercules Loan Agreement as they become due and that our principal investors do not intend to fund amounts necessary to satisfy such obligations; we or our assets become subject to certain legal proceedings, such as bankruptcy proceedings; we are unable to pay our debts as they become due; or we default on contracts with third parties which would permit Hercules to accelerate the maturity of such indebtedness or that could have a material adverse effect on us. We may not have enough available cash or be able to raise additional funds through equity or debt financings to repay such indebtedness at the time any such event of default occurs. In that case, we may be required to delay, limit, reduce or terminate our product candidate development or commercialization efforts or grant to others rights to develop and market product candidates that we would otherwise prefer to develop and market ourselves. Hercules could also exercise its rights as collateral agent to take possession and dispose of the collateral securing the loan for its benefit, which collateral includes all of our property other than our intellectual property. Our business, financial condition and results of operations could be materially adversely affected as a result of any of these events.

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We will need to obtain additional financing to fund our operations and, if we are unable to obtain such financing, we may be unable to complete the development and commercialization of our potential product candidates.

        Our operations have consumed substantial amounts of cash since inception. From our inception to December 31, 2017, we have cumulative net cash flows used by operating activities of $194.7 million. We will need to obtain additional financing to fund our future operations, including completing the development and commercialization of our product candidates. We will need to obtain additional financing to conduct additional trials for the approval of our product candidates if requested by regulatory authorities, and to complete the development of any additional product candidates we might acquire. Moreover, our fixed expenses such as rent, interest expense and other contractual commitments are substantial and are expected to increase in the future.

        Our future funding requirements will depend on many factors, including, but not limited to:

•

Time and cost necessary to obtain regulatory approvals that may be required by regulatory authorities;



•

Our ability to successfully commercialize our product candidates, if approved;



•

Our ability to have commercial product successfully manufactured consistent with FDA regulations;



•

Amount of sales and other revenues from product candidates that we may commercialize, if any, including the selling prices for such potential products and the availability of adequate third-party coverage and reimbursement;



•

Sales and marketing costs associated with commercializing our products, if approved, including the cost and timing of expanding our marketing and sales capabilities;



•

Progress, timing, scope and costs of our clinical trials, including the ability to timely enroll subjects in our ongoing, planned and potential future clinical trials;



•

Terms and timing of any potential future collaborations, licensing or other arrangements that we may establish;



•

Cash requirements of any future acquisitions or the development of other product candidates;



•

Costs of operating as a public company;



•

Time and cost necessary to respond to technological and market developments;



•

Costs of filing, prosecuting, defending and enforcing any patent claims and other intellectual property rights; and



•

Costs associated with any potential business or product acquisitions, strategic collaborations, licensing agreements or other arrangements that we may establish.

        Until we can generate a sufficient amount of revenue, we may finance future cash needs through public or private equity offerings, license agreements, debt financings, collaborations, strategic alliances and marketing or distribution arrangements. Additional funds may not be available when we need them on terms that are acceptable to us, or at all. If adequate funds are not available, we may be required to delay or reduce the scope of or eliminate one or more of our research or development programs or our commercialization efforts. We may seek to access the public or private capital markets whenever conditions are favorable, even if we do not have an immediate need for additional capital at that time. In addition, if we raise additional funds through collaborations, strategic alliances or marketing, distribution or licensing arrangements with third parties, we may have to relinquish valuable rights to

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our technologies, future revenue streams or product candidates or to grant licenses on terms that may not be favorable to us.

        In January 2018, following our receipt of the 2017 CRL, we significantly scaled back our preparations for commercialization of Twirla, including commercial pre-launch and manufacturing validation activities, pending our ability to address the 2017 CRL and receive approval of Twirla. Based on these actions and our current business plan, we believe that our cash and cash equivalents as of December 31, 2017 will be sufficient to meet our operating requirements through the end of 2018. Our current business plan assumes resubmission of our NDA for Twirla in the second quarter of 2018, a six-month FDA review of our NDA resubmission, and resumption of both pre-launch commercial activities and pre-validation and validation of our manufacturing process after Twirla approval. We will require additional capital to fund operating needs beyond 2018, including among other items, the resumption and completion of our commercial plan for Twirla, which primarily includes the validation of our commercial manufacturing process and the commercial launch of Twirla, if approved, and advancing the development of our other potential product candidates. Accordingly, we will be required to obtain further funding through other public or private offerings, debt financing, collaboration or licensing arrangements or other sources. Adequate additional funding may not be available to us on acceptable terms, or at all. If we are unable to raise capital when needed or on attractive terms, we would be forced to delay, reduce or eliminate our research and development programs or future commercialization efforts. Our forecast of the period of time through which our financial resources will be adequate to support our operating requirements is a forward- looking statement and involves risks and uncertainties, and actual results could vary as a result of a number of factors, including the factors discussed elsewhere in this "Risk Factors" section. For instance, we cannot assure you that the FDA will approve Twirla, that the FDA's timeline for review will be within six months, or that we will timely complete the qualification and validation of our commercial manufacturing process. We have based this estimate on a number of assumptions that may prove to be wrong, and changing circumstances beyond our control may cause us to consume capital more rapidly than we currently anticipate. Our inability to obtain additional funding when we need it could seriously harm our business and we may be unable to continue our operations at planned levels and be forced to reduce, or even terminate, our operations.

Raising additional capital may cause dilution to our existing stockholders or restrict our operations.

        We may seek additional capital through a combination of private and public equity offerings, debt financings and strategic collaborations. The sale of additional equity or convertible debt securities could result in the issuance of additional shares of our capital stock and could result in dilution to our stockholders. The incurrence of indebtedness would result in increased fixed payment obligations and could also result in certain restrictive covenants, such as limitations on our ability to incur additional debt, limitations on our ability to acquire or license intellectual property rights and other operating restrictions that could adversely impact our ability to conduct our business. We cannot guarantee that future financing will be available in sufficient amounts or on terms acceptable to us, if at all. If we are unable to raise additional capital in sufficient amounts or on terms acceptable to us, we will be prevented from pursuing research and development efforts. This could harm our business, operating results and financial condition and cause the price of our common stock to fall.

We are a development stage company which may make it difficult for you to evaluate the success of our business to date and to assess our future viability.

        We are a development stage company. We were incorporated and commenced active operations in 1997. Our operations to date have been limited to organizing and staffing our company, business planning, raising capital and developing our product candidates. We have not yet demonstrated our ability to successfully complete a Phase 3 registration trial for, obtain regulatory approval of, or manufacture on a commercial scale any of our product candidates, or arrange for a third party to do so on our behalf, or conduct sales and marketing activities necessary for successful product commercialization. Consequently, any predictions about our future success or viability may not be as accurate as they could be if we had a longer operating history.

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        In addition, as a development stage company, we may encounter unforeseen expenses, difficulties, complications, delays and other known and unknown factors. We will need to transition from a company with a focus on product candidate development to a company capable of supporting commercial activities. We may not be successful in such a transition.

Risks Relating to the Commercialization of Our Product Candidates

We are substantially dependent on the commercial success of Twirla.

        Assuming FDA approval,        Twirla will be the first product that we commercialize. The rest of our pipeline of productspotential product candidates are in earlier stages of clinical development and will require additional clinical studies and product development and funding in order to advance towards commercialization, which could take considerable time. If Twirla is not approved, our business, results of operations and ability to advance our pipeline, would be significantly adversely affected. In addition, we will require additional capital for the validation of our commercial manufacturing process and commercial launch of Twirla. We will not be able to commercially launch Twirla if approved.until validation is complete and we may not be successful in completing validation within expected timelines or at all. We will also require capital to develop and initiate post-marketing studies of Twirla. Our ability to generate revenues and become profitable will depend in large part on the commercial success of Twirla. Potential prescribers of Twirla include physicians, nurse practitioners, or NPs, physician's assistants, or Pas,PAs, and pharmacists. Registered Pharmacists or RPh, are authorized to prescribe contraceptives in some states, currently, and othersother states have pending legislation that would allow pharmacists to prescribe contraceptives. If Twirla or any other product that we commercialize in the future does not gain an adequate level of acceptance among prescribers, patients and third parties, we may not generate significant product revenues or become profitable. Market acceptance of Twirla and any other product that we commercialize, by prescribers, patients and third-party payors will depend on a number of factors, some of which are beyond our control, including:

•

Efficacy, safety and other potential advantages of our product candidatesTwirla in relation to alternative treatments;



•

Relative convenience and ease of administration of our product candidates;Twirla;



•

Availability of adequate coverage or reimbursement of our product candidatesTwirla by third parties, such as insurance companies and other payors, and by government healthcare programs, including Medicare, Medicaid and state health insurance exchanges;



•

Prevalence and severity of adverse events associated with our product candidates;Twirla;



•

Cost of our product candidatesTwirla in relation to alternative treatments, including generic products;



•

Extent and strength of our third-party manufacturer and supplier support and ability to meet our market demand;



•

Extent and strength of our marketing and distribution support;



•

Limitations, warnings, or warningscontraindications contained in our product'sTwirla's FDA approved labeling;labeling, including safety warnings and precautions, contraindications and limitations on the use of Twirla for women based on BMI. By example, Twirla's label includes the class-wide black box warning, contraindications, and warnings and precautions applicable to all combined hormonal contraceptives, or CHCs. Twirla also includes a black box warning that Twirla is contraindicated in women with a BMI³ 30 kg/m², and that compared to women with a lower BMI, women with a BMI

³ 30 kg/m² had reduced effectiveness and may have a higher risk for venous

•

Distribution and

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thromboembolic events. Twirla's label also contains a limitation of use restrictions imposed by the FDA or to which we agree as partconsider Twirla's reduced effectiveness in women with a BMI of a mandatory REMS or voluntary risk management plan.³25 to£30 kg/m² before prescribing.

        For example, if Twirla is approved by the FDA, prescribers and patients may not be immediately receptive to a transdermal contraceptive system, as opposed to a pill or any other method, and may be slow to adopt it as an accepted treatment for the prevention of pregnancy. In addition, even though we believe Twirla has significant advantages over other treatment options, because no adequate head-to-head trials comparing the safety and efficacy of Twirla to the competing approved patch productor other contraceptive products have been conducted, the prescribing information approved by the FDA may not containwe cannot make claims that Twirla is safer or more effective than the currently approved patch product, or other claims that may be necessary for successful marketing of Twirla. Accordingly,contraceptive products, without conducting a supportive head-to-head postmarketing study. Moreover, we will not be permittedable to promotemake any other Twirla if approved, for any comparative advantagesmarketing or promotional claims to the currently marketed contraceptive patch.extent that they are inconsistent with the Twirla FDA-approved label or are not otherwise supported. The availability of numerous inexpensive

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generic forms of contraceptive products may also limit acceptance of Twirla among prescribers, patients and third-party payors. If Twirla does not achieve an adequate level of acceptance among prescribers, patients and third-party payors, we may not generate significant product revenues or become profitable.profitable, and the value of our common stock may suffer.

We may not be able to successfully commercialize Twirla, and the revenue that we generate from its sales, if any, may be limited.

        The commercial success of Twirla will depend upon the contraceptive market landscape as well as acceptance and uptake of Twirla by prescribers, patients and third-party payors.

        Risks related to the contraceptive market landscape include:

•

The prescription contraceptive market could experience a decrease in growth or negative growth if fewer women choose to use hormonal contraception;



•

The perceived safety of hormonal contraceptives could be negatively affected by media reports of adverse effects and advertisements for mass tort lawsuits due to adverse effects;



•

Price pressures from third party payors, including managed care organizations and government-sponsored health systems, could limit our revenue;



•

The proportion of the contraceptive market comprised of generic products could continue to increase, making the introduction of a branded contraceptive difficult and expensive;



•

Competition in the contraceptive market could increase, with the introduction of new contraceptives, including the potential of a new generic or branded competitive contraceptive patch;



•

Competition from generic contraceptive products could increase as additional generic contraceptives receive FDA approval;



•

Healthcare reform activities, including, without limitation, the repeal, reform or replacement of the Patient Protection and Affordable Care Act, as amended by the Healthcare and Education Reconciliation Act of 2010 or, collectively, the Affordable Care Act, or ACA, and its effects on pharmaceutical coverage, reimbursement and pricing, could limit our revenue;



•

Access to the prescriber universe, particularly obstetrics and gynecology physicians, could be limited, decreasing our ability to promote Twirla efficiently; and



•

Our ability to access pharmacists in states where they are authorized by law to prescribe contraceptives could be limited, decreasing our ability to promote Twirla.

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        The degree of acceptance and uptake of Twirla by prescribers, patients and third-party payors will depend upon a number of factors, including:

•

The level of contraceptive effectiveness of Twirla demonstrated in our clinical trials;



•

The incidence and severity of adverse effects associated with Twirla;



•

Limitations, warnings, or contraindications contained in Twirla's FDA approved labeling, including safety warnings and precautions, contraindications, and limitations on the use of Twirla for women based on BMI;



•

Acceptability to patients of the appearance and feel of Twirla;



•

Willingness of prescribers to prescribe a contraceptive patch based on the labeling and prior experience with the generic contraceptive patch already on the market;



•

Willingness of prescribers to prescribe a contraceptive patch in light of safety issues and restrictive labeling of the generic contraceptive patch already on the market;



•

The cost of Twirla to the patient, as compared to other contraceptive products and methods;



•

Our ability to obtain and maintain sufficient third-party coverage or reimbursement for Twirla from private health insurers, government healthcare programs (including Medicare, Medicaid and 340B Clinics) and other third-party payors; and



•

The effectiveness of our or any future collaborators' sales and marketing strategies.

        In addition, we may face additional generic or other drug product competition sooner than we anticipate for Twirla or our potential product candidates, which would potentially limit their commercial success. We believe that Twirla is eligible for three years of FDA marketing exclusivity for Twirla. The FDCA provides a period of three years of marketing exclusivity for an NDA, Section 505(b)(2) NDA or supplement to an existing NDA for a drug product that contains a previously approved active moiety, if new clinical investigations, other than bioavailability or bioequivalence studies, were conducted or sponsored by the applicant and are determined by the FDA to be essential to the approval of the application. This three-year marketing exclusivity, however, does not protect drug products from all competition. For instance, it does not protect against the approval of a full NDA. It also would only protect against the approval of a product that contains the same conditions of approval as Twirla. We, however, may not receive the three-year exclusivity for them, and, even if we do, it may not adequately protect us from competition. Competition that Twirla and our potential product candidates may face from generic or similar versions of the same or similar products could materially and adversely impact our future revenue, profitability and cash flows and substantially limit our ability to obtain a return on the investments we have made in Twirla or our potential product candidates.

        If Twirla does not achieve an adequate level of acceptance by prescribers, third-party payors and patients, we may not generate sufficient revenue and we may not be able to achieve or sustain profitability. Our efforts to educate prescribers, patients and third-party payors on the benefits of Twirla may require significant resources and may never be successful. Even if we are able to demonstrate and maintain a competitive advantage over our competitors and become profitable, if the market for hormonal contraceptives fails to achieve expected future growth or decreases, we may not be able to generate sufficient revenue or sustain profitability. Our ability to generate sufficient revenue from Twirla will also be dependent on our ability to support the commercial demand for Twirla and we cannot assure you that we along with our manufacturing partner Corium will be able to complete validation of our commercial manufacturing successfully and in a timely manner, and, ultimately, to commercially market Twirla. We also cannot assure that we and Corium will be able to manufacture sufficient quantities of Twirla in order to meet commercial demand.

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It will be difficult for us to profitably sell Twirla if approved, or any other product that we obtain marketing approval for in the future if coverage and reimbursement for such product is limited.

        Market acceptance and sales of Twirla if approved, or any other product that we obtain marketing approval for in the future, will depend on coverage and reimbursement policies and may be affected by future healthcare reform measures. Government authorities and third-party payors, such as private health insurers and health maintenance organizations, decide which medications they will pay for and establish reimbursement levels for approved medications. A primary trend in the U.S. healthcare industry is cost containment. Government authorities and these third-party payors have attempted to control costs by limiting coverage and the amount of reimbursement for particular medications. We cannot be sure that coverage or reimbursement will be available for Twirla if approved, or any other product that we obtain marketing approval for in the future and, if coverage is available, we cannot be sure of the level of reimbursement. Even when a payor determines that a product is eligible for reimbursement, the payor may set a reimbursement rate that is too low to support a profitable sales price for the product. Subsequent approvals of competitive products could result in a detrimental change to the reimbursement of our products. Reimbursement may impact the demand for, or the price of, Twirla, if approved, and any other products that we obtain marketing approval for and commercialize.Twirla. Numerous generic products may be available at lower prices than branded therapy products, such as Twirla, which may also reduce the likelihood and level of reimbursement for Twirla or other products.Twirla. If coverage and reimbursement are not available or are available only at limited levels, we may not be able to successfully commercialize Twirla, if approved, or any other product for which we obtain marketing approval.would adversely impact our business, financial condition, results of operations and prospects and the value of our common stock.

If we are unable to establish effective marketing and sales capabilities for Twirla if approved, or enter into agreements with third parties to market and sell Twirla, we may be unable to generate product revenues.

        We are seeking approval for Twirla from the FDA for a contraception indication. Following our original submission of the NDA, we received the 2013 CRL from the FDA requesting, among other things, additional Phase 3 data. On December 21, 2017, we received the 2017 CRL from the FDA citing deficiencies related to the manufacturing process for Twirla, our manufacturer, and raising questions on the in vivo adhesion properties of Twirla and their potential relationship to our phase 3 clinical trial results, among other deficiencies further described in this Annual Report on Form 10-K. Our ability to commercialize Twirla, and the timing of Twirla commercialization, is dependent on FDA's review of our response to the 2017 CRL and our NDA for Twirla, and other items such as Corium's correction of objectionable conditions observed during the FDA inspection or the identification of an alternative supplier, timely and successful completion of the validation of equipment for commercial manufacturing, ultimate FDA approval, and additional capital. In January 2018, following our receipt of the 2017 CRL, we significantly scaled back our preparations for commercialization of Twirla, including commercial pre-launch and manufacturing validation activities, pending our ability to address the 2017 CRL and receive approval of Twirla. Our current business plan assumes resubmission of our NDA for Twirla in the second quarter of 2018, a six-month FDA review of our NDA resubmission, and resumption of both pre-launch commercial activities and pre-validation and validation of our manufacturing process after Twirla approval, if the FDA approves Twirla. We will require additional capital to fund operating needs beyond 2018, including among other items, the resumption and completion of our commercial plan for Twirla, which primarily includes the validation of our commercial manufacturing process and the commercial launch of Twirla, if approved, and advancing the development of our other potential product candidates. We cannot assure you that the FDA will approve Twirla, that the FDA's timeline for review will be within six months, or that we along with Corium, our third-party manufacturer, will be able to complete validation of our commercial manufacturing successfully and in a timely manner.

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        At present, we have no sales personnel and a limited number of marketing personnel. Initially, we do not plan to establish our own sales force, but rather we intend to engage a contract sales organization. Depending on our available capital resources,force. Rather, we plan to hire a limited number of additional marketing personnel and engage a contract sales organization in the United States until shortly afterand, depending on our available capital resources, we plan to FDA approvalalso hire a limited number of Twirla.additional marketing personnel in the second and third quarters of 2020. At the time of our anticipated commercial launch of Twirla, assuming regulatory approval by the FDA, our sales and marketing team will have worked together for only a limited period of time. If our regulatory review period by the FDA for our NDA resubmission is extended beyond six months, we may need to further delay initiating certain commercial activities in order to preserve cash, in which case our ability to launch Twirla would be compromised. We cannot guarantee that we will be successful in marketing Twirla in the United States.

        We may not be able to establish our own sales forcemarketing capabilities or a contract sales force in a cost-effective manner or realize a positive return on this investment. In addition, we will have to compete with other pharmaceutical and biotechnology companies to recruit, hire, train and retain sales and marketing personnel. Factors that may inhibit our efforts to commercialize Twirla if approved, in the United States without strategic partners or licensees include:

•

Our ability to obtain additional capital;



•

Our or our contractor's inability to timely recruit and retain adequate numbers of effective sales and marketing personnel;



•

The inability of sales personnel to obtain access to or persuade adequate numbers of prescribers to prescribe Twirla;



•

The lack of complementary products to be offered by sales personnel, which may put us at a competitive disadvantage relative to companies with more extensive product lines;



•

The costs associated with training sales and marketing personnel on legal and regulatory compliance matters and monitoring their actions;



•

Liability for sales or marketing personnel who fail to comply with the applicable legal and regulatory requirements; and



•

Unforeseen costs and expenses associated with creating an independent sales and marketing organization or engaging a contract sales organization.

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        If we are not successful in recruiting sales and marketing personnel or in building a sales and marketing infrastructure, or if we do not successfully enter into appropriate collaboration arrangements, we will have difficulty commercializing Twirla, which would adversely affect our business, operating results and financial condition.

        If we intend to commercialize Twirla outside the United States, we will likely enter into collaboration agreements with pharmaceutical partners, and we may have limited or no control over the sales, marketing and distribution activities of these third parties. Our future revenues may depend on the success of the efforts of these third parties.

        To the extent that we rely on, or partner with, third parties to commercialize Twirla, if approved, or any other potential product candidate for which we obtain marketing approval in the future, we may receive less revenue than if we commercialized these products ourselves. In addition, we would have less control over the sales efforts of any other third parties involved in our commercialization efforts. We, however, will remain responsible for the conduct of any contract sales force, which could expose us to legal and regulatory enforcement actions and liability. In the event that we are unable to partner with a third-party marketing and sales organization, our ability to generate product revenues may be limited in the United States, internationally or both.

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A varietyIf estimates of risks associated withthe size of the potential internationalmarket for Twirla are overstated or data we have used to identify physicians is inaccurate, our ability to earn revenue to support our business relationships could be materially adversely affect our business.affected.

        We may enter into agreements with third partieshave relied on a number of external sources, as well as market research funded by us and internal analyses and calculations, to estimate the potential market opportunity for Twirla in the United States. We have not independently verified the externally sourced information used to develop the estimates for the development and commercialization ofpotential market for Twirla, and possibly othertheir accuracy and completeness cannot be assured. Similarly, our internal analyses and calculations are based upon analysis of the current and expected future U.S. contraceptive market and management's understanding and assessment of numerous inputs and market conditions, including, but not limited to, the addressable market segment for combined hormonal contraceptives and the reimbursement status of contraceptives under the federal Affordable Care Act and similar state laws. These understandings and assessments necessarily require assumptions subject to significant judgment and may prove to be inaccurate. As a result, our estimates of the size of the potential market for Twirla could prove to be overstated, perhaps materially.

        In addition, we are relying on third party data to identify the healthcare providers who prescribe contraception in the U.S. and to determine how to deploy resources to market to those healthcare providers; however, we may not be marketing to the appropriate physicians and may therefore be limiting our market opportunity.

        We may develop estimates with respect to market opportunities for potential product candidates in international markets. If we do so, wethe future, and such estimates would be subject to additional risks related to entering into international business relationships, including:

•

Differing regulatory requirements in foreign countries including, among others, requirements relating to drug approvals, reimbursement and sales and marketing practices;



•

Potentially reduced protection for intellectual property rights;



•

The potential for so-called parallel importing, which is when a local seller, faced with higher local prices, opts to import goods from a foreign market with lower prices, rather than buying them locally;



•

Unexpected changes in tariffs, trade barriers and regulatory requirements;



•

Economic weakness, including inflation, or political instability in foreign economies and markets;



•

Compliance with tax, employment, immigration and labor laws for employees traveling and working abroad;



•

Foreign taxes;



•

Foreign currency fluctuations, which could result in increased operating expenses and reduced revenues, and other risks incident to doing business in another country;



•

Workforce uncertainty in countries where labor unrest is more common than in the United States;



•

Production shortages resulting from any events affecting raw material supply or manufacturing capabilities abroad; and



•

Business interruptions resulting from geo-political actions, including war and terrorism, or natural disasters, including earthquakes, volcanoes, typhoons, floods, tsunamis, hurricanes and fires.

        These and other risks may materially adversely affect our ability to develop and commercialize products in international markets and may harm our business.

similar risks. Even if we receive regulatory approval for Twirla, we still may not be able to successfully commercialize it and the revenue that we generate from its sales, if any, may be limited.

        The commercial success of Twirla in any indication for which we obtain marketing approval from the FDA or other regulatory authorities will depend upon the contraceptive market landscape as well as acceptance and uptake of Twirla by prescribers, patients and third-party payors.

        Risks related to the contraceptive market landscape include:

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The prescription contraceptive market could experience a decrease in growth or negative growth if fewer women choose to use hormonal contraception;



•

The perceived safety of hormonal contraceptives could be negatively affected by media reports of adverse effects and advertisements for class action lawsuits due to adverse effects;



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Price pressures from third party payors, including managed care organizations and government-sponsored health systems, could limit our revenue;

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•

The proportion of the contraceptive market comprised of generic products continues to increase, making introduction of a branded contraceptive difficult and expensive;



•

Competition in the contraceptive market could increase, with the introduction of new contraceptives, including the potential of a new generic or branded competitive contraceptive patch;



•

Competition from generic contraceptive products could increase as additional generic contraceptives receive FDA approval;



•

Healthcare reform activities, including, without limitation, the repeal, reform or replacement of the Patient Protection and Affordable Care Act, as amended by the Healthcare and Education Reconciliation Act of 2010 or, collectively, the Affordable Care Act, or ACA, and its effect on pharmaceutical coverage, reimbursement and pricing could limit our revenue; and



•

Access to the prescriber universe, particularly obstetrics and gynecology physicians, could be limited, decreasing our ability to promote Twirla efficiently.



•

Our ability to access pharmacists in states where they are authorized by law to prescribe contraceptives could be limited, decreasing our ability to promote Twirla

        The degree of acceptance and uptake of Twirla, if approved, by prescribers, patients and third-party payors will depend upon a number of factors, including:

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The level of contraceptive effectiveness of Twirla demonstrated in our clinical trials;



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The incidence and severity of adverse effects associated with Twirla;



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Limitations on use or warnings contained in FDA-approved labeling, which could include, for example, limitations on the use of Twirla for women based on BMI or weight;



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Acceptability to patients of the appearance and feel of Twirla;



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Willingness of patients to try a new contraceptive and to use a transdermal patch as their form of contraception;



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Willingness of prescribers to prescribe a contraceptive patch in light of safety issues and restrictive labeling of the currently marketed contraceptive patch;



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The cost of Twirla to the patient, as compared to other contraceptive products and methods;



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Our ability to obtain and maintain sufficient third-party coverage or reimbursement for Twirla from private health insurers, government healthcare programs (including Medicare, Medicaid and 340B Clinics) and other third-party payors; and



•

The effectiveness of our or any future collaborators' sales and marketing strategies.

        In addition, even if we obtain regulatory approval the timing of an approval may reduce our ability to commercialize Twirla successfully. For example, if the approval process takes too long, we may miss market opportunities, give other companies the ability to develop competing products, and require us to raise additional capital, which could delay our commercial launch. Any regulatory approval we ultimately obtain may be limitedfor one or subject to restrictions or post-approval commitments that render Twirla not commercially viable. For example, regulatory authorities may grant approval contingent on the performance of costly post-marketing clinical trials or other post-marketing commitments, including REMS, or may approve Twirla with a label that contains fewer, or more limited, indications than requested, warnings, precautions or contraindications, including black box warnings, and the label may not include the claims necessary or desirable for the successful commercialization of Twirla. Any of the foregoing scenarios could materially harm the commercial prospects for Twirla.

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        Moreover, we may face additional generic or other drug product competition sooner than we anticipate for Twirla or our other potential product candidates, which would potentially limit their commercial success. We believe that we may be eligible for three yearsunable to commercialize the product on a scale sufficient to generate significant revenue, which could have a material adverse effect on our business, financial condition, results of FDA marketing exclusivity for Twirlaoperations and our other potential product candidates. The FDCA provides a period of three years of marketing exclusivity for an NDA, Section 505(b)(2) NDA or supplement to an existing NDA for a drug product that contains a previously approved active moiety, if new clinical investigations, other than bioavailability or bioequivalence studies, were conducted or sponsored byprospects and the applicant and are determined by the FDA to be essential to the approval of the application. This three-year marketing exclusivity, however, does not protect drug products from all competition. For instance, it does not protect against the approval of a full NDA. It also would only protect against the approval of a product that contains the same conditions of approval as our product candidates. We may not receive the three-year exclusivity for anyvalue of our product candidates, and, even if we do, it may not adequately protect us from competition. Competition that our product candidates may face from generic or similar versions of our product candidates could materially and adversely impact our future revenue, profitability and cash flows and substantially limit our ability to obtain a return on the investments we have made in those product candidates.

        If Twirla is approved, but does not achieve an adequate level of acceptance by prescribers, third-party payors and patients, we may not generate sufficient revenue and we may not be able to achieve or sustain profitability. Our efforts to educate prescribers, patients and third-party payors on the benefits of Twirla may require significant resources and may never be successful. Even if we are able to demonstrate and maintain a competitive advantage over our competitors and become profitable, if the market for hormonal contraceptives fails to achieve expected future growth or decreases, we may not generate sufficient revenue or sustain profitability. Our ability to generate sufficient revenue from Twirla will also be dependent on our ability to support the commercial demand for Twirla and we cannot assure you that we along with our manufacturing partner Corium will be able to complete validation of our commercial manufacturing successfully and in a timely manner, and, ultimately, adequately meet the commercial demand for Twirla, if approved.common stock.

The proportion of the contraceptive market that is made up of generic products continuescould continue to increase, making introduction of a branded contraceptive difficult and expensive.

        The proportion of the U.S. market that is made up of generic products has been increasing over time. InFor example, in 2005, generic contraceptive products held 47%49% of prescription volume and 34%36% of sales and, by 2011,2019, those values had risen to 68%88% and 44%43%, respectively. For the year ended December 31, 2017, approximately 85% of the prescription volume and approximately 50% of sales of combined hormonal contraceptives, or CHCs, in the U.S. were generated by generic products. Recently, Congress and the FDA have taken steps to increase generic competition in the market. If this trend continues, it may be more difficult to introduce Twirla if approved, as a branded contraceptive at a price that will maximize our revenue and profits. Also, there may be additional marketing costs to introduce Twirla in order to overcome the

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trend towards generics and to gain access to reimbursement by payors. If we are unable to introduce Twirla at a price that is commensurate with that of current branded contraceptive products, or we are unable to gain reimbursement from payors for Twirla, or if patients are unwilling to pay any price differential between Twirla and a generic contraceptive, our revenues will be limited. For example, in light of the introduction of the branded generic version of the Ortho Evra product by Mylan Inc. in April 2014, and the subsequent discontinuation of distribution of Ortho Evra in October 2014 by Janssen we may have to take additional measures in order to be competitive and gain market share,share. For example, we may increase the rebates available to commercial payors or we may provide incentives to consumers covered by non-governmental payors, such as coupons or rebates, in order to make up for the difference in the co-payment for Twirla and the generic patch product.

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Prescribers, patients and payors may not adopt a new contraceptive patch due to concerns based upon the prior experience with or perception of the previously marketed contraceptive patch and its currently marketed contraceptive patch.generic equivalent product.

        The Ortho Evra® contraceptive patch, or Evra, was introduced in early 2002 and was the first FDA-approved contraceptive patch. The following is a brief history of the Evra market experience:

•

Evra had rapid uptake in the contraceptive market, achieving a 10% share of the CHC market by September 2003. The initial approved labeling for Evra indicated that it delivered a daily EE dose of 20 micrograms.



•

Following the approval of Evra, the manufacturer of Evra and the FDA began receiving reports of thrombotic and thromboembolic events.



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A pharmacokinetic study was conducted in 2005 and later published in the Journal of Clinical Pharmacology comparing Evra to an oral contraceptive, which demonstrated that Evra was delivering higher serum concentrations of EE compared to an oral contraceptive with an EE dose of 35 micrograms. A pharmacokinetic study evaluates how the body handles a given drug over time; these studies are conducted by measuring the amount of time it takes for the drug to be absorbed, distributed and eliminated throughout the body.



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Johnson & Johnson, the manufacturer of Evra, revised the Evra labeling in November 2005 to include information that EE exposure with Evra is 60% higher than that of an oral contraceptive containing EE of 35 micrograms, based on area under the curve, a commonly-used metric for measuring EE exposure in contraceptives. This information was ultimately included in a unique black boxboxed warning and bolded warning in the Evra labeling.



•

The FDA held a Joint Meeting of the Advisory Committees for Reproductive Health Drugs and Drug Safety and Risk Management on December 9, 2011. The Committees concluded that users of Evra have an increased risk of venous thromboembolism, or VTE compared to users of second generationsecond-generation contraceptives, such as those containing LNG. The Committees, through a vote, concluded that the benefits of Evra outweighed the risks, but that the current package insert did not adequately reflect the risk/benefit profile.



•

A subsequent change to the labeling for Evra was implemented in August 2012.



•

The Evra market share declined rapidly following the labeling changes, from a peak share of 11% in 2005, to 4% by the end of 2006, to 1.4% by the end of 2013.



•

In April 2014, the Evra label was revised to provide revised dosage form and strength information. However, this revision did not affect the unique black boxboxed warning and bolded warning in the Evra label.

        In order to market Twirla outside the United States, we must obtain separate marketing approvals and comply with numerous and varying regulatory requirements of Contentsother countries regarding safety and efficacy and governing, among other things, clinical trials and commercial sales, pricing and distribution of Twirla. The time required to obtain approval in other countries might differ from and be longer than the time required to obtain FDA approval. The marketing approval process in other countries may include all of the risks associated with obtaining FDA approval in the United States, as well as other risks. For example, legislation analogous to Section 505(b)(2) of the FDCA in the United States may not exist in other countries. In territories where data is not freely available, we may not have the ability to commercialize Twirla, or any products approved in the future, without negotiating the rights from third parties to refer to their clinical data in our regulatory applications, which could require the expenditure of significant additional funds. Further, we may be unable to obtain rights to the necessary clinical data and may be required to develop our own proprietary safety and efficacy dossiers. In addition, in many countries outside the United States, it is required that a product receive pricing and reimbursement approval before the product can be commercialized. This can result in substantial delays in the advancement of our products in such countries. Further, product labeling requirements outside the United States may be different and inconsistent with the U.S. labeling, potentially negatively affecting our ability to market in countries outside the United States.

        Marketing approval in one country does not ensure marketing approval in another, but failure or delay in obtaining marketing approval in one country may have a negative effect on the regulatory process in others. In addition, we may be subject to fines, suspension or withdrawal of marketing approvals, product recalls, seizure of products, operating restrictions, and criminal prosecution if we fail to comply with applicable foreign regulatory requirements. If we fail to comply with regulatory requirements in international markets or to obtain and maintain required approvals, our ability to market to our full target market will be reduced and our ability to realize the full marketing potential of our products will be harmed.

Risks Related to ManufacturingOur Financial Position and Our Reliance on Third PartiesNeed for Capital

We have no manufacturing capacityincurred operating losses in each year since our inception and anticipate continued reliance on Corium, our third-party manufacturer,expect to continue to incur substantial losses for the development and commercialization offoreseeable future. Management has concluded that these factors raise substantial doubt about our product candidates in accordance with manufacturing regulations.ability to continue as a going concern.

        We rely on Corium,have incurred losses in each year since our third-party manufacturer,inception in December 1997. Our net loss was $18.6 million, $19.8 million and $28.3 million for the years ended December 31, 2019, 2018 and 2017, respectively. As of December 31, 2019, we had an accumulated deficit of approximately $260.4 million. In February 2020, we entered into a Credit Agreement and Guaranty with Perceptive Credit Holdings III, LP, or Perceptive, for a senior secured term loan facility of up to produce clinical supplies$35 million, which we refer to as the Perceptive Credit Agreement. We believe that our cash and cash equivalents as of Twirla and our other potential product candidates, and we plan to continue relying on them for commercial supplies and samples of our product candidates, if approved. We do not own or operate, and have no plans to establish, any manufacturing facilities for our product candidates. We lack the resources and the capabilities to manufacture Twirla or any of our product candidates on a clinical or commercial scale.

        We do not control the manufacturing process of, and are completely dependent on Corium for complianceDecember 31, 2019, along with the FDA's manufacturing regulatory requirements for manufacture of, our product candidates and our products, if and when approved. If Corium or other contract manufacturers that we may use cannot successfully manufacture material that conforms to our specifications and the strict regulatory requirementsproceeds of the FDA, theyPerceptive Credit Agreement we have received to date, will be sufficient to meet our projected operating requirements through the end of 2020. They will not be ablesufficient to secure or maintain regulatory approval for their manufacturing facilities. The facilities used by Corium to manufacturefund our product candidates must be approved bycurrent and planned operations through the FDA pursuant to inspections that are conducted in connection with12 months following the FDA's review of our NDA for Twirla. On December 21, 2017, the FDA issued the 2017 CRL, indicating that our resubmitted NDA for Twirla could not be approved in its present form. The 2017 CRL identifies deficiencies relating to quality control adhesion test methods which are part of the manufacturing process for Twirla. The 2017 CRL also noted that observations identified during a PAI for the Twirla NDA of Corium's facility must be resolved. Prior to receiving the 2017 CRL, we submitted an amendment to our NDA on December 1, 2017 in response to an information request from the FDA on the issues related to the quality control adhesion test methods reiterated in the 2017 CRL. In the 2017 CRL, the FDA acknowledged receipt of the amendment and stated that the amendment was not reviewed prior to the FDA's action. In addition, on November 20, 2017 and December 1, 2017, Corium provided the FDA with responses to each of the observations made during the FDA's facility inspection, which included a PAI for Twirla. Under the FDA's regulations, we are entitled to request a Type A meeting with the FDA within 90 days of receiving a CRL, and the FDA has a goal to grant us a meeting date within 30 days of the meeting request. We have submitted a request for a Type A meeting to the FDA to discuss the deficiencies in the Twirla NDA and the regulatory path for approval of Twirla. We plan to provide an update on the outcome of the Type A meeting after we receive the official meeting minutes from the FDA and we will then be better able to determine when we will resubmit our Twirla NDA.

        In addition, while Corium has provided the FDA with responses to each of the observations made during the FDA's facility inspection, we expect that the FDA will re-inspect our manufacturing partner's facilities during its review of our planned resubmission before approval can be granted. The FDA has the authority to re-inspect SECURE clinical trial sites as part of a review of an NDA as well. The FDA may also determine that our responses to the manufacturing deficiencies in the 2017 CRL and Corium's responses to the manufacturing facility inspection objectionable conditions are not sufficient or require product development and additional analyses and/or studies and deny approval of the Twirla NDA on this basis as well. For example, the FDA could determine that we and Corium have not established comparability between the manufacturing process used in producing the clinical supplies for our SECURE clinical trial and the manufacturing process Corium plans to use to produce commercial supplies of Twirla, if approved, which in turn could require us and Corium to perform additional work, incur significant costs and delay the timeline for the resubmission of our NDA. The FDA may also find additional objectionable conditions upon re-inspection of the Corium facility. If the FDA does not approve the Corium facility for the manufacture of Twirla, or if Corium is not able to address the objectionable conditions found by the FDA, we may need to find an alternative supplier, which will take time and monetary expenditures, and which we may not be able to do on favorable terms to us or at all.

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        In addition, we have no control over the ability of our contract manufacturers to maintain adequate quality control, quality assurance and qualified personnel. If the FDA or a comparable foreign regulatory authority does not approve these facilities for the manufacture of our product candidates or if it withdraws any such approval in the future, we may need to find alternative manufacturing facilities that would also require FDA approval, and which would significantly impact our ability to develop, obtain regulatory approval for or market our product candidates, if approved. Moreover, if our contract manufacturer cannot successfully manufacture materials that conform to our specifications and the strict regulatory requirements of the FDA, we may be subject to other regulatory enforcement action such as adverse inspectional findings, Warning Letters, Untitled Letters, recall requests, withdrawal of product or investigational approvals, clinical holds or termination of clinical trials, refusals to approve pending applications, disgorgement, restitution, exclusion from federal healthcare programs product seizures and detention, consent decrees, corporate integrity agreements, criminal and civil penalties, including imprisonment, refusal to permit import or export of the product and injunction against or restriction of manufacture or distribution. If our contract manufacturer experiences issues in its manufacturing process or is unable to produce clinical supplies in adequate quantity and quality, our clinical trial could be delayed or our ability to receive regulatory approval of our product candidates could be negatively affected. Additionally, if there are changes to the manufacturing process for Twirla or to our formulation for Twirla that require a change in the manufacturing process, we could experience significant additional cost and our ability to receive regulatory approval could be delayed.

        The machinery and process to produce the commercial supply of Twirla must be qualified and validated, which is time-consuming and expensive, and this machinery is located within one manufacturing site and is customized to the particular manufacturing specifications of Twirla. If Corium is unable to qualify and validate this equipment and the processes in a timely manner and successfully produce validation batches, our ability to launch and commercialize Twirla will be compromised and we could require additional capital to complete the validation process. If this customized equipment malfunctions at any time during the production process, the time it may take Corium to secure replacement parts, to undertake repairs and to revalidate the equipment and process could limit our ability to meet the commercial demand for Twirla. Similar manufacturing conditions may also apply to our other product candidates. This may increase the risk that the third-party manufacturer may not manufacture Twirla in accordance with the applicable regulatory requirements, that we may not have sufficient quantities of Twirla or our potential product candidates or that we may not have such quantities at an acceptable cost, any of which could delay, prevent, or impair the commercialization of Twirla, if approved, and the development of our other potential product candidates.

        Although we have manufacturing agreements with Corium for the clinical and commercial supply of Twirla, Corium and several of its suppliers of raw materials will be single source providers to us for a significant period of time. In particular, Corium manufactures Twirla using EE and LNG and components that it purchases from third parties, most of which are single source suppliers of the applicable material. We do not have any control over the process or timing of the acquisition of these raw materials by Corium. Although we generally do not begin a clinical trial unless we believe we have a sufficient supply of a product candidate to complete the clinical trial, any significant delay in the supply of a product candidate, or the raw material components thereof, for an ongoing clinical trial due to the need to replace a third-party manufacturer could considerably delay completion of our clinical trials, product testing and potential regulatory approval of our product candidates.

        Because we outsource all of our manufacturing processes, there is no guarantee that there will be sufficient supplies to fulfill our requirements or that we may obtain such supplies on acceptable terms. Although Corium intends to enter into agreements with critical manufacturers, component fabricators and secondary service providers to secure commercial supply of Twirla, not all of such suppliers and

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service providers will be under contract. Any delays in obtaining adequate supplies of our product candidates could limiton which this Annual Report on Form 10-K is filed, which raises substantial doubt about our ability to meet commercial demand for Twirla.

        In addition,continue as a going concern. Substantial doubt about our ability to continue as a going concern may create negative reactions to the price of our common stock and we may have a more difficult time obtaining financing in the eventfuture.

        Specialty pharmaceutical product development is a speculative undertaking, involves a substantial degree of risk and is a capital-intensive business. We expect to incur expenses without corresponding revenues until we are able to sell Twirla is approved and achievesin significant market share, Coriumquantities, which may not possess adequatehappen. We have devoted most of our financial resources to research and development, including our non-clinical development activities and clinical trials. We expect we will need to incur additional expenses as we complete the qualification and validation of our commercial manufacturing capabilitiesprocess, initiate pre-launch commercial activities, commercially launch Twirla, advance our other potential product candidates and expand our research and development programs. We will require additional capital to meet market demandfund our operating needs beyond 2020, including among other items, the completion of our commercial plan for Twirla, which primarily includes validation of our commercial manufacturing process, as well as the commercial launch of Twirla and advancing the development of our other potential product candidates. We may not be able to obtain sufficient additional funding to continue our operations at planned levels and be forced to reduce, or even terminate, our operations. To date, we have financed our operations primarily through sales of common stock, convertible preferred stock and convertible promissory notes and to a lesser extent, through term loans and government grants. Our potential product candidates will also require the completion of regulatory review, significant marketing efforts and substantial investment before they can provide us with any revenue.

        We expect that our expenses will increase as we prepare for the commercial launch of Twirla. As a result, we expect to continue to incur substantial losses for the foreseeable future, and these losses may increase. We are uncertain when or if we will be able to achieve or sustain profitability. If it becomes necessary to engage an additional third-party manufacturer to produce Twirla,we achieve profitability in the future, we may not be able to sustain profitability in subsequent periods. Any failure to become and remain profitable would impair our ability to sustain operations and adversely affect the price of our common stock and our ability to raise additional capital. We are significantly dependent on the success of Twirla, and if we do not achieve the commercial success of Twirla and/or are unable to obtain additional funding, we will need to license certain manufacturing know-how from Corium,reassess our operating capital needs and may be unable to continue our operations at planned levels and be forced to reduce, or even terminate, our operations.

We have never been profitable. Currently, we have no products available for commercial supply will be limited whilesale, no source of revenue pending the new third-party manufacturer develops the necessary know-how to manufacturecommercial launch of Twirla, and while we obtain regulatory approval for the addition of a new manufacturer.may never become profitable.

        RelianceWe have never been profitable and do not expect to be profitable in the foreseeable future. We have no products currently available for commercial sale, and will not have any products available for sale until the commercial launch of Twirla, which we currently anticipate will commence in the fourth quarter of 2020. To date, we have not generated any revenue from product sales. Even if we are able to commercialize Twirla or any other potential product candidate, there can be no assurance that we will generate significant revenues or ever achieve profitability. Our ability to generate product revenue depends on a third-party manufacturer subjects us to risks that would not affect us if we manufactured the product candidates ourselves, including:number of factors, including our ability to:

•

Reliance onObtain additional capital for the third party for regulatory compliance and quality assurance;



•

Reduced control overcommercial scale-up of the Twirla manufacturing process forand commercial launch of Twirla as well as advancing the development or our other potential product candidates;



•

The possible breach of the manufacturing agreements by theSet an acceptable price for Twirla and our other potential product candidates, if approved, and obtain adequate coverage and reimbursement from third party because of factors beyond our control;payors;



•

The possibilityObtain commercial quantities of termination or nonrenewalTwirla and our other potential product candidates, if approved, at acceptable cost levels from our third-party manufacturer;