Soleno Therapeutics, Inc., a clinical-stage biopharmaceutical company, focuses on the development and commercialization of novel therapeutics for the treatment of rare diseases. Its lead candidate is Diazoxide Choline Extended-Release tablets, a once-daily oral tablet, which is in Phase III clinical trials for the treatment of Prader-Willi Syndrome. The company was formerly known as Capnia, Inc. and changed its name to Soleno Therapeutics, Inc. in May 2017. Soleno Therapeutics, Inc. was incorporated in 1999 and is based in Redwood City, California.

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.

Travere Therapeutics, Inc., a biopharmaceutical company, identifies, develops, and delivers therapies to people living with rare kidney and metabolic diseases. Its products include FILSPARI (sparsentan), a once-daily, oral medication designed to target two critical pathways in the disease progression of IgA Nephropathy (endothelin 1 and angiotensin-II); and Thiola and Thiola EC (tiopronin tablets) for the treatment of cystinuria, a rare genetic cystine transport disorder that causes high cystine levels in the urine and the formation of recurring kidney stones. The company's clinical-stage programs consist of Sparsentan, a novel investigational product candidate, which has been granted Orphan Drug Designation for the treatment of focal segmental glomerulosclerosis in the U.S. and Europe; and Pegtibatinase (TVT-058), a novel investigational human enzyme replacement candidate being evaluated for the treatment of classical homocystinuria. It has a cooperative research and development agreement with National Institutes of Health's National Center for Advancing Translational Sciences and Alagille Syndrome Alliance for the identification of potential small molecule therapeutics for Alagille syndrome. The company was formerly known as Retrophin, Inc. and changed its name to Travere Therapeutics, Inc. in November 2020. Travere Therapeutics, Inc. was incorporated in 2008 and is headquartered in San Diego, California.

Nurix Therapeutics, Inc., a clinical stage biopharmaceutical company, focuses on the discovery, development, and commercialization of small molecule and cell therapies for the treatment of cancer, inflammatory conditions, and other diseases. The company develops NX-2127, an orally bioavailable Bruton's tyrosine kinase (BTK) degrader for the treatment of relapsed or refractory B-cell malignancies; NX-5948, an orally bioavailable BTK degrader for the treatment of relapsed or refractory B-cell malignancies and autoimmune diseases; and NX-1607, an orally bioavailable Casitas B-lineage lymphoma proto-oncogene-B (CBL-B) inhibitor for immuno-oncology indications. It is also developing NX-0479/GS-6791, a IRAK4 degrader for the treatment of rheumatoid arthritis and other inflammatory diseases. The company has a strategic collaboration agreement with Gilead Sciences, Inc., Sanofi S.A., and Seagen Inc. co-development and co-commercialization for multiple drug candidates. The company was formerly known as Nurix Inc. and changed its name to Nurix Therapeutics, Inc. in October 2018. Nurix Therapeutics, Inc. was incorporated in 2009 and is headquartered in San Francisco, California.

Theravance Biopharma, Inc., a biopharmaceutical company, discovers, develops, and commercializes respiratory medicines in the United States and Europe. It offers YUPELRI, a once-daily, nebulized long-acting muscarinic antagonist for the treatment of chronic obstructive pulmonary disease (COPD). The company's product includes Ampreloxetine, an investigational norepinephrine reuptake inhibitor that has completed Phase III study for neurogenic orthostatic hypotension; and TRELEGY for the treatment of COPD and asthma. It has licensing and collaboration agreements with Pfizer Inc. for its preclinical skin-selective pan-JAK inhibitor program, as well as Viatris Inc. Theravance Biopharma, Inc. was incorporated in 2013 and is based in South San Francisco, California.

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.

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.

Cadrenal Therapeutics, Inc. operates as a clinical development biopharmaceutical company. The company focuses on developing Tecarfarin, a novel oral and reversible anticoagulant to prevent heart attacks, strokes, and deaths due to blood clots in patients with rare cardiovascular conditions requiring chronic anticoagulation, such as patients with left ventricular assist devices, end-stage kidney disease, atrial fibrillation, and thrombotic anti-phospholipid syndrome. Cadrenal Therapeutics, Inc. was incorporated in 2022 and is headquartered in Ponte Vedra, Florida.