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.

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.

Quince Therapeutics, Inc., a biopharmaceutical company, focuses on acquiring, developing, and commercializing therapeutics for patients with debilitating and rare diseases. The company's lead asset candidature comprises EryDex for the treatment of rare pediatric neurodegenerative disease, including A-T, an inherited autosomal recessive neurodegenerative and immunodeficiency disorder caused by mutations in ATM gene. Its AIDE technology platform, a drug/device combination platform that uses an automated process to encapsulate a drug into a patient's own red blood cells, as well as consists of an automated equipment the RCL, a sterile single-use consumable treatment kit comprising EryKit, Syringe Kit, drugs, and process solutions. The company was formerly known as Cortexyme, Inc. and changed its name to Quince Therapeutics, Inc. in August 2022. Quince Therapeutics, Inc. was incorporated in 2012 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.

Talphera, Inc., a specialty pharmaceutical company, focuses on the development and commercialization of therapies for use in medically supervised settings. Its lead product candidate is Niyad, a lyophilized formulation of nafamostat, which is under an investigational device exemption as an anticoagulant for the extracorporeal circuit. It is also developing LTX-608, an anti-inflammatory and antiviral potential for the treatment of multiple conditions, including disseminated intravascular coagulation (DIC), acute respiratory distress syndrome (ARDS), and acute pancreatitis; Fedsyra, a pre-filled ephedrine syringe; and PFS-02, a pre-filled phenylephrine syringe. The company was formerly known as AcelRx Pharmaceuticals, Inc. and changed its name to Talphera, Inc. in January 2024. The company was incorporated in 2005 and is headquartered in San Mateo, California.

Artelo Biosciences, Inc., a clinical stage biopharmaceutical company, develops and commercializes therapeutics that target lipid-signaling pathways in the United States. It's product candidate pipeline includes ART27.13, a synthetic dual cannabinoid G protein-coupled receptor agonist, which is in Phase 1b/2a clinical trial for the treatment of anorexia associated with cancer; ART12.11, a synthetic cannabidiol cocrystal for the treatment anxiety, post-traumatic stress disorder, epilepsy, inflammatory bowel disease, and other potential indications; and ART26.12, a fatty acid binding protein 5 inhibitor for treating chemotherapy induced peripheral neuropathy, diabetic neuropathy, prostate cancer and breast cancer, pain, dermatologic conditions, and anxiety disorders. The company was formerly known as Reactive Medical, Inc. and changed its name to Artelo Biosciences, Inc. in April 2017. Artelo Biosciences, Inc. was incorporated in 2011 and is based in Solana Beach, California.