Assembly Biosciences, Inc. is a biotechnology company. The Company is engaged in developing two platform programs, such as a class of oral therapeutics for the treatment of hepatitis B virus (HBV) infection, and a class of oral synthetic live therapeutics, which are designed to restore health to a dysbiotic microbiome. It has discovered various core protein Allosteric Modulators (CpAMs), which are small molecules that directly target and allosterically modulate the HBV core (HBc) protein. Its Microbiome Program consists of an integrated platform that includes a strain identification and selection process, methods for strain isolation and growth under current good manufacturing practice conditions, and a delivery system, GEMICEL, which allows for targeted oral delivery of live biologic and conventional therapies to the lower gastrointestinal (GI) tract. The lead product candidate from this platform, AB-M101, is in development for the treatment of clostridium difficile-infections.