Assembly Biosciences, Inc. operates as a clinical-stage biotechnology company in the United States. The company develops oral therapeutic candidates for the treatment of hepatitis B virus (HBV) infection and novel class of oral synthetic live biotherapeutic candidates to treat disorders associated with the microbiome. It is involved in the development of core inhibitors that inhibit the functional activities of HBV core protein at various points in the viral lifecycle. The company's microbiome program consists of an integrated platform that includes the disease-targeted strain isolation, identification, characterization, and selection process for strain purification and growth under current good manufacturing practice conditions; and a licensed patented delivery system, GEMICEL, which allows for targeted oral delivery of live biologic and conventional therapies to the lower gastrointestinal tract. Its product candidates include ABI-H0731 that is in Phase 2a clinical trials for the trea