Trevi Therapeutics, Inc. is a clinical-stage biopharmaceutical company focused on the advancement and commercialization of Haduvio, a potential treatment for debilitating neurologically mediated conditions. This orally administered, extended-release formulation of nalbuphine is currently undergoing Phase IIb/III clinical trials for chronic pruritus (severe itching) and persistent cough experienced by patients with idiopathic pulmonary fibrosis. Trevi Therapeutics also possesses a licensing agreement with Endo Pharmaceuticals Inc., granting it the rights to develop and market products containing nalbuphine hydrochloride in various formulations.