Astellas Pharma US, Inc is a pharmaceutical company that develops and markets drugs for the treatment of cancer, immunology, and urology. The company is a subsidiary of Astellas Pharma Inc, a Japanese pharmaceutical company. Astellas Pharma US, Inc was founded in 2005 and is headquartered in Northbrook, Illinois. The company has over 17,000 employees and operates in over 50 countries. Astellas Pharma US, Inc is committed to improving the health and well-being of patients through the development of innovative and effective therapies.