Theravance is a biopharmaceutical company that focuses on the discovery, development and commercialization of small molecule medicines. It develops drugs for various therapeutic areas, including respiratory diseases, bacterial infections and gastrointestinal motility dysfunctions. The company emphasizes drug discovery on validated targets. Some of its research programs include telavancin, Bifunctional Muscarinic Antagonist-beta2 Agonist (MABA) and Horizon. It works in association with some of the leading pharmaceutical companies, such as Astellas Pharma, Bristol-Myers Squibb Company, Gilead Sciences, ICOS Corporation, Merck & Company, Millennium Pharmaceuticals, Pfizer and GlaxoSmithKline. Theravance additionally conducts various phases of clinical trails on animals to test the efficacy of drugs.