Astellas Pharma Group
- Country: Japan
- Type: Commercial
- Website: www.astellas.com
- Update: 05-02
Astellas Pharma (TYO: 4503), Japan's leading research and development pharmaceutical company and the second largest prescription pharmaceutical company in Japan, was formed in April 2005 through the merger of the former Yamanouchi Pharmaceutical Co., Ltd. and Fujisawa Pharmaceutical Co., Ltd. and is a leading player in the highly specialized fields of transplantation and urology.