Arrowhead Pharmaceuticals, Inc. develops medicines for the treatment of intractable diseases in the United States. The company's products in pipeline includes Plozasiran, which is in Phase 2b and one Phase 3 clinical trial to treat hypertriglyceridemia, mixed dyslipidemia, and chylomicronemia syndrome; Zodasiran that is in Phase 2b clinical trial for the treatment of dyslipidemia and hypertriglyceridemia; ARO-PNPLA3, which is in Phase 1 clinical trial to treat patients with non-alcoholic steatohepatitis; ARO-RAGE that is in Phase 1/2a clinical trial to treat inflammatory pulmonary conditions; and ARO-MUC5AC, which is in Phase 1/2a clinical trial to treat muco-obstructive pulmonary diseases. It also develops ARO-MMP7 that is in Phase 1/2a clinical trial for treatment of idiopathic pulmonary fibrosis; ARO-DUX4 for the treatment of facioscapulohumeral muscular dystrophy; ARO-SOD1 for the potential treatment of amyotrophic lateral sclerosis; and ARO-C3, which is in Phase 1/2a clinical trial for the treatment of patients with various complement mediated or complement associated renal diseases. In addition, the company is involved in the development of JNJ-3989, which is in Phase 2 clinical trial to treat chronic hepatitis B virus infection; Olpasiran that is in Phase 3 clinical trial to reduce the production of apolipoprotein A; GSK-4532990 that is in phase 2 clinical trial to treat liver diseases; HZN-457, which is in phase 1 clinical trial to treat uncontrolled gout; and Fazirsiran that is in Phase 3 clinical trial for the treatment for liver disease associated with alpha-1 antitrypsin deficiency. Arrowhead Pharmaceuticals, Inc. has license and research collaboration agreements with Janssen Pharmaceuticals, Inc.; Takeda Pharmaceutical Company Limited; Horizon Therapeutics Ireland DAC; Amgen Inc.; and Glaxosmithkline Intellectual Property (No. 3) Limited. The company was founded in 2003 and is headquartered in Pasadena, California.

89bio, Inc., a clinical-stage biopharmaceutical company, focuses on the development and commercialization of therapies for the treatment of liver and cardio-metabolic diseases. Its lead product candidate is pegozafermin, a glycoPEGylated analog of fibroblast growth factor 21 for the treatment of nonalcoholic steatohepatitis; and for the treatment of severe hypertriglyceridemia. The company was incorporated in 2018 and is headquartered in San Francisco, California.

Gyre Therapeutics, Inc., a pharmaceutical company, engages in the development and commercialization of small-molecule, anti-inflammatory, and anti-fibrotic drugs targeting organ fibrosis. It offers ETUARY (Pirfenidone), an anti-fibrotic drug approved for the treatment of idiopathic pulmonary fibrosis; and under phase 3 studies for dermatomyositis and systemic sclerosis-associated interstitial lung disease, pneumoconiosis, and diabetic kidney disease. The company is also involved the development of F351 (Hydronidone), a structural derivative of ETUARY (Pirfenidone), under Phase 3 studies for the treatment of chronic hepatitis B liver fibrosis; and under Phase 1 studies for liver fibrosis associated with nonalcoholic associated steatohepatitis. In addition, its development pipeline includes F573, under Phase 2 studies for the treatment of acute/acute-on-chronic liver failure; F528, under preclinical stage for the treatment of chronic obstructive pulmonary disease; and F230, under preclinical stage for the treatment of pulmonary arterial hypertension. The company was founded in 2002 and is headquartered in San Diego, California. Gyre Therapeutics, Inc. operates as a subsidiary of GNI USA, Inc.

PureTech Health plc, engages in the development and commercialization of biotechnology and pharmaceutical solutions in the United States. The company is developing LYT-100, which is under Phase 2 stage, to treat idiopathic pulmonary fibrosis (IPF); and LYT-200, a IgG4 monoclonal antibody, currently under Phase 1/2 stage, targeting galectin-9 for treating solid tumors and hematological malignancies. It also develops SPT-300, an oral drug of allopregnanolone for the treatment of anxious depression; SPT-320, a novel prodrug of agomelatine for the treatment of generalized anxiety disorder; and SPT-348, a prodrug of a non-hallucinogenic neuroplastogen for the treatment of mood and other neuropsychiatric disorders. In addition, the company is developing hydrogels to enable the oral administration of peptide therapeutics in preclinical development. The company was incorporated in 2015 and is headquartered in Boston, Massachusetts.

aTyr Pharma, Inc., a biotherapeutics company, engages in the discovery and development of medicines based on novel immunological pathways in the United States. Its lead therapeutic candidate is efzofitimod, a selective modulator of NRP2 that is in Phase III clinical trial for pulmonary sarcoidosis; and in Phase 1b/2a clinical trial for treatment of other interstitial lung diseases (ILDs), such as chronic hypersensitivity pneumonitis and connective tissue disease related ILD. The company is developing ATYR0101, a fusion protein derived from a domain of aspartyl-tRNA synthetase that is in preclinical development for the treatment of fibrosis; and ATYR0750, a domain of alanyl-tRNA synthetase for the treatment of liver disorders. It has collaboration and license agreement with Kyorin Pharmaceutical Co., Ltd. for the development and commercialization of efzofitimod for ILDs in Japan. aTyr Pharma, Inc. was incorporated in 2005 and is headquartered in San Diego, California.

Galectin Therapeutics Inc., a clinical stage biopharmaceutical company, engages in the research and development of therapies for fibrotic, cancer, and other diseases. Its lead product candidate is belapectin (GR-MD-02) galectin-3 inhibitor, that is in Phase 2b/3 clinical trial, to prevent esophageal varices in patient with non-alcoholic steatohepatitis (NASH) cirrhosis; and Phase 2 clinical trial for the treatment of liver fibrosis, as well as severe skin disease, and melanoma and head and neck squamous cell carcinoma. The company, through its Galectin Sciences, LLC, which is a collaborative joint venture co-owned by SBH Sciences, Inc., to research and develop small organic molecule inhibitors of galectin-3 for oral administration. The company was formerly known as Pro-Pharmaceuticals, Inc. and changed its name to Galectin Therapeutics, Inc. in May 2011. Galectin Therapeutics Inc. was founded in 2000 and is based in Norcross, Georgia.

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.

GRI Bio, Inc., a clinical-stage biopharmaceutical company, focuses on discovering, developing, and commercializing therapies that target diseases leading to inflammatory, fibrotic, and autoimmune disorders in the United States. Its lead product candidate is GRI-0621, an oral inhibitor of type 1 Natural Killer T cells, which is in phase II clinical trial for the treatment of severe fibrotic lung diseases, such as idiopathic pulmonary fibrosis. The company's portfolio also includes GRI-0803, a novel oral agonist of type 2 Natural Killer T cells that is in preclinical development for the treatment of autoimmune disorders; a proprietary library of 500+ compounds; and GRI-0124 for the treatment of primary sclerosing cholangitis, and GRI-0729, which are in pre-clinical development. GRI Bio, Inc. was formerly known as Glycoregimmune, Inc. GRI Bio, Inc. was founded in 2009 and is based in LA Jolla, California.