 SOUTH SAN FRANCISCO, Calif., Aug. 05, 2020 GLOBE NEWSWIRE -- Assembly Biosciences, Inc. Nasdaq: ASMB, a clinical-stage biotechnology company developing innovative therapeutics targeting hepatitis B virus HBV and diseases associated with the microbiome, today reported financial results and recent highlights for the second quarter ended June 30, 2020. We have continued to advance the clinical development of our HBV core inhibitors during 2020 with the achievement of key milestones. In June, patients began coming off combination therapy in our Phase 2 open-label extension study of ABI-H0731 and will now be followed to evaluate the sustained virologic response SVR rate. We expect to be able to report data from these patients off treatment for 24 weeks SVR24, early next year, said John McHutchison, AO, MD, Chief Executive Officer and President of Assembly Biosciences. Additionally, in July we established an important collaboration with BeiGene, a premier scientific partner with key operational capabilities in China. This will allow us to accelerate the clinical development and commercialization of our core inhibitor candidates in China, where up to 90 million individuals are infected with hepatitis B.Second Quarter 2020 and Recent HighlightsHBV Portfolio China Collaboration with BeiGene On July 20, 2020, Assembly announced its license and collaboration agreement with BeiGene, Ltd. for Assemblys portfolio of three clinical-stage core inhibitors ABI-H0731, ABI-H2158, ABI-H3733 in China including Hong Kong, Macau and Taiwan. Assembly received 40 million upfront and is eligible to receive approximately 500 million in total potential future milestone payments. Assembly is also eligible to receive tiered royalties on net product sales. BeiGene will contribute the initial funding for clinical development in China, with development costs for the territory shared equally thereafter. ABI-H0731731: Assemblys lead core inhibitor candidate Patients achieving stopping criteria are continuing to transition off combination therapy in the Phase 2 open-label extension study Study 211 and are being monitored for sustained virologic response. Assembly initiated a Phase 2 exploratory study evaluating treatment intensification with 731 in combination with a nucleostide analogue reverse transcriptase inhibitor NrtI in patients with chronic HBV infection who are not completely virologically suppressed on NrtI therapy alone. Approximately 10-30 of patients do not completely suppress HBV DNA after a year or more on standard of care NrtI therapy, and these patients have an unmet need for a more effective treatment. ABI-H2158 2158, Assemblys second-generation, more potent core inhibitor candidate Assembly initiated a multi-center, randomized, placebo-controlled Phase 2 trial to evaluate 2158 with entecavir versus placebo with entecavir in treatment naïve HBeAg positive patients with chronic HBV infection. The U.S Food and Drug Administration granted Fast Track designation for 2158 for the treatment of chronic HBV Infection. Microbiome Portfolio Assembly presented preclinical data from its immuno-oncology microbiome program in an e-poster at the American Association for Cancer Research AACR 2020 Virtual Annual Meeting. Assembly will regain worldwide rights to the gastrointestinal programs previously licensed to AbbVie formerly Allergan pre-acquisition in the fourth quarter of 2020. The Company is exploring strategic alternatives with respect to its microbiome portfolio. Corporate Highlights In June 2020, William Delaney IV, PhD joined as Chief Scientific Officer, Virology. Anticipated Milestones and EventsHBV Portfolio 731 Additional interim analyses from Study 211 will be presented at the European Association for the Study of the Livers EASL Digital International Liver Congress, rescheduled to August 27-29, 2020; abstracts were accepted as an oral presentation HBeAg negative patients and as a late-breaking poster HBeAg positive patients. 2158 Phase 1b clinical data on multiple dose cohorts will be presented as a late-breaking poster at EASL. The analytical methodologies for Assemblys highly sensitive HBV nucleic acid DNA and pgRNA assays will be featured in a poster at EASL. Upcoming Events and Conferences William Blair Biotech Focus Conference: August 6, 2020 Bairds 2020 Global Healthcare Conference: September 9, 2020 Second Quarter 2020 Financial Results Cash, cash equivalents and marketable securities were 226.7 million as of June 30, 2020, compared to 249.1 million as of March 31, 2020. This excludes the 40.0 million upfront payment received in July 2020 as part of the collaboration agreement with BeiGene. Including the proceeds from the collaboration, Assemblys cash position is projected to fund operations into the second half of 2022. Revenues from collaborative research were 39.4 million for the three months ended June 30, 2020 compared to 3.1 million for the same period in 2019. This includes the recognition of deferred revenue and reimbursements incurred under the collaboration agreement with AbbVie formerly Allergan pre-acquisition for which AbbVie provided written notice of termination in June 2020. As a result, we recognized the remaining deferred revenue balance of 36.0 million. Assembly will continue to recognize additional collaboration revenue into the fourth quarter of 2020 for reimbursement activities that occur through the 120-day transition period. Research and development expenses were 23.3 million for the three months ended June 30, 2020, compared to 18.7 million for the same period in 2019. The increase was primarily due to an increase of 3.9 million in research and development expenses related to the HBV program. Research and development expenses include non-cash stock-based compensation expenses of 3.6 million for the three months ended June 30, 2020 and 3.1 million for the same period in 2019. General and administrative expenses were 9.5 million for the three months ended June 30, 2020 compared to 4.1 million for the same period in 2019. The increase was primarily due to a non-recurring reversal of previously recognized stock-based compensation expense of 3.6 million related to forfeited awards following the departure of one of Assemblys former executive officers in 2019. General and administrative expenses include non-cash stock-based compensation expenses of 3.5 million for the three months ended June 30, 2020 and 1.1 million for the same period in 2019. Net income loss attributable to common stockholders was 7.5 million, or 0.21 per basic and 0.19 per diluted share, for the three months ended June 30, 2020 compared to 18.5 million, or 0.72 per basic and diluted share, for the same period in 2019. This was primarily due to the recognition of the remaining deferred revenue balance as noted above. About Assembly Biosciences Assembly Biosciences, Inc. is a clinical-stage biotechnology company developing innovative therapeutics targeting hepatitis B virus HBV and diseases associated with the microbiome. The HBV program is focused on advancing a new class of potent, oral core inhibitors that have the potential to increase cure rates for chronically infected patients. The microbiome program is developing novel oral live microbial biotherapeutic candidates with Assemblys fully integrated platform, including a robust process for strain identification and selection, GMP manufacturing expertise and targeted delivery to the lower gastrointestinal tract with the GEMICEL technology. For more information, visit assemblybio.com.Forward-Looking Statements The information in this press release contains forward-looking statements that are subject to certain risks and uncertainties that could cause actual results to materially differ. These risks and uncertainties include: Assemblys ability to initiate and complete clinical trials involving its HBV Cure and Microbiome therapeutic product candidates in the currently anticipated timeframes; safety and efficacy data from clinical studies may not warrant further development of Assemblys product candidates; clinical and nonclinical data presented at conferences may not differentiate Assemblys product candidates from other companies candidates; Assembly may not observe sustained virologic response in patients who stop therapy in Study 211; the timing and ability to implement strategic alternatives with respect to the Microbiome program; Assemblys ability to maintain financial resources necessary to continue its clinical trials and fund business operations; any impact that the spread of the coronavirus and resulting COVID-19 pandemic may have on Assemblys business and operations, including initiation and continuation of its clinical trials or timing of discussions with regulatory authorities; and other risks identified from time to time in Assemblys reports filed with the U.S. Securities and Exchange Commission the SEC. You are urged to consider statements that include the words may, will, would, could, should, might, believes, hopes, estimates, projects, potential, expects, plans, anticipates, intends, continues, forecast, designed, goal or the negative of those words or other comparable words to be uncertain and forward-looking. Assembly intends such forward-looking statements to be covered by the safe harbor provisions contained in Section 27A of the Securities Act of 1933, as amended, and Section 21E of the Securities Exchange Act of 1934, as amended. 