Trevi Therapeutics Inc. is a clinical-stage biopharmaceutical company. It is focused on the development and commercialization of nalbuphine ER to treat serious neurologically mediated conditions. The company is currently developing nalbuphine ER for the treatment of chronic pruritus, chronic cough in patients with idiopathic pulmonary fibrosis and levodopa-induced dyskinesia in patients with Parkinson's disease. Trevi Therapeutics Inc. is based in New Haven, Connecticut.