Akero Therapeutics, Inc., together with its subsidiary, engages in the development of treatments for patients with serious metabolic diseases in the United States. The company's lead product candidate is efruxifermin (EFX), which is in Phase 3 clinical trials that protects against cellular stress and regulates the metabolism of lipids, carbohydrates, and proteins throughout the body for the treatment of biopsy-confirmed metabolic dysfunction-associated steatohepatitis (MASH) patients. It has a license agreement with Amgen Inc. to develop, manufacture, use, distribute, and sell EFX as a treatment for MASH and other metabolic diseases. The company was formerly known as Pippin Pharmaceuticals, Inc. and changed its name to Akero Therapeutics, Inc. in May 2018. Akero Therapeutics, Inc. was incorporated in 2017 and is headquartered in South San Francisco, California.

FibroGen, Inc., a biopharmaceutical company, discovers, develops, and commercializes therapeutics to treat serious unmet medical needs. Its lead product candidates are Pamrevlumab, a human monoclonal antibody targeting connective tissue growth factor that is in Phase III clinical development for the treatment of locally advanced pancreatic cancer; and Roxadustat, an oral small molecule inhibitor of hypoxia-inducible factor prolyl hydroxylase activity, which has completed Phase III clinical development for the treatment of anemia in chronic kidney disease in China, Europe, Japan, and other countries, as well as in Phase III clinical development for anemia related with myelodysplastic syndromes. The company has collaboration agreements with Astellas Pharma Inc. and AstraZeneca AB. FibroGen, Inc. was incorporated in 1993 and is headquartered in San Francisco, California.

Sagimet Biosciences Inc., a clinical-stage biopharmaceutical company, develops therapeutics called fatty acid synthase (FASN) inhibitors for the treatment of diseases that result from dysfunctional metabolic pathways in the United States. The company's lead drug candidate is Denifanstat, a once-daily pill and selective FASN inhibitor for the treatment of metabolic dysfunction associated steatohepatitis. It also develops TVB-3567, a FASN inhibitor for the treatment of acne; and other oncology programs. The company was formerly known as 3-V Biosciences, Inc. and changed its name to Sagimet Biosciences Inc. in August 2019. Sagimet Biosciences Inc. was incorporated in 2006 and is headquartered in San Mateo, California.

Pliant Therapeutics, Inc., a clinical stage biopharmaceutical company, discovers, develops, and commercializes novel therapies for the treatment of fibrosis and related diseases in the United States. The company's lead candidate is bexotegrast, an oral, small-molecule, dual selective inhibitor of avß6 and avß1 integrins, which is in phase 2b trials for idiopathic pulmonary fibrosis and in phase 2a trial for primary sclerosing cholangitis. It also develops PLN-1474, an oral, small-molecule selective inhibitor of avß1 for the treatment of liver fibrosis associated with nonalcoholic steatohepatitis; PLN-101095, a dual inhibitor of integrins avß8 and avß1 for the treatment of solid tumors; and PLN-101325 for treatment of muscular dystrophies. Pliant Therapeutics, Inc. was incorporated in 2015 and is based in South San Francisco, California.

Biomea Fusion, Inc., a clinical-stage biopharmaceutical company, focuses on the discovery and development of covalent small molecule drugs to treat patients with genetically defined cancers and metabolic diseases. Its lead product candidate is BMF-219, a covalent inhibitor of menin for treating patients with liquid and solid tumors and type 2 diabetes. The company was incorporated in 2017 and is headquartered in Redwood City, California.

Aligos Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on the development of novel therapeutics to address unmet medical needs in viral and liver diseases. Its drug candidate, ALG-055009, a small molecule THR-ß agonist that is in the Phase 2a clinical trial for the treatment of non-alcoholic steatohepatitis (NASH). The company also develops ALG-000184, a capsid assembly modulator, which is completed Phase 1b clinical trial to treat chronic hepatitis B (CHB); and ALG-125755, a siRNA drug candidate, which is in Phase I clinical trial for the treatment of CHB. In addition, it develops ALG-097558, which is in Phase 2 clinical trial for the treatment of coronavirus. The company has entered into license and research collaboration agreement with Merck to discover, research, optimize, and develop oligonucleotides directed against a NASH; license agreement with Emory University to provide hepatitis B virus capsid assembly modulator technology; license agreement with Luxna Biotech Co., Ltd. to develop and commercialize products containing oligonucleotides targeting hepatitis B virus genome; and research, licensing, and commercialization agreement with Katholieke Universiteit Leuven to develop coronavirus protease inhibitors. It also has a clinical collaboration with Xiamen Amoytop Biotech Co., Ltd. Aligos Therapeutics, Inc. was incorporated in 2018 and is headquartered in South San Francisco, California.

NGM Biopharmaceuticals, Inc., a biopharmaceutical company, engages in the discovery and development of novel therapeutics to treat liver and metabolic diseases, retinal diseases, and cancer. The company develops NGM707, an immunoglobulin-like transcript 2/ immunoglobulin-like transcript 4 dual antagonist monoclonal antibody that is in Phase I/II clinical trials for the treatment of patients with advanced metastatic solid tumors; and Aldafermin, an engineered analog of human hormone fibroblast growth factor 19, which is in Phase IIb clinical trials for the treatment of primary sclerosing cholangitis and non-alcoholic steatohepatitis. It also develops NGM120, an GFRAL antagonist antibody, which is in Phase II clinical trial to treat hyperemesis gravidarum; NGM831 and NGM438 which is in phase I/II clinical trial for the treatment of advanced solid tumors; and NGM621, an monoclonal antibody in Phase II clinical trials for the treatment of geographic atrophy. The company has research collaboration, product development, and license agreements with Merck Sharp & Dohme Corp.; and a collaboration agreement with Merck to focus primarily on the identification, research and development of collaboration compounds directed to targets in the fields of ophthalmology and cardiovascular or metabolic, or CVM, disease, including heart failure. NGM Biopharmaceuticals, Inc. was incorporated in 2007 and is headquartered in South San Francisco, California.

Eiger BioPharmaceuticals, Inc., a commercial-stage biopharmaceutical company, focuses on the development and commercialization of targeted therapies for rare and ultra-rare diseases in the United States and internationally. Its lead product candidate is Lonafarnib, an orally bioavailable, small molecule, which is in Phase III clinical trials to treat hepatitis delta virus infection. The company's product candidate also include Lambda, which targets type III interferon receptors that has completed Phase II clinical trials; Lonafarnib for the treatment of progeria and progeroid laminopathies; and Avexitide for the treatment of congenital hyperinsulinism, as well as has completed Phase II clinical trials to treat post-bariatric hypoglycemia. Eiger BioPharmaceuticals, Inc. was founded in 2008 and is headquartered in Palo Alto, California.