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. Its lead product candidate is PLN-74809, an oral small-molecule dual selective inhibitor of avß6 and avß1 integrins, which is in Phase II single ascending dose/multiple ascending dose trails and completed Phase Ib proof-of-mechanism trials for the treatment of idiopathic pulmonary fibrosis and primary sclerosing cholangitis. The company also develops PLN-1474, a small-molecule selective inhibitor of avß1, which completed Phase 1 clinical trial for the treatment of liver fibrosis associated with nonalcoholic steatohepatitis. In addition, it is developing two additional preclinical integrin-based programs, which include an oncology program, as well as a program for an allosteric agonistic monoclonal antibody against an undisclosed integrin receptor for treatment of muscular dystrophies, including duchenne muscular dystrophy. Pliant Therapeutics, Inc. was founded in 2015 and is based in South San Francisco, California.