Theravance Biopharma, Inc., a biopharmaceutical company, develops and commercializes of medicines in the United States. 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 a strategic collaboration agreement with Viatris Inc. for the development and commercialization of revefenacin, including YUPELRI. Theravance Biopharma, Inc. was incorporated in 2013 and is based in South San Francisco, California.