WALTHAM, Mass. & TOKYO--(BUSINESS WIRE)--March 1, 2006--Dynogen Pharmaceuticals, Inc. and Astellas Pharma, Inc. announced today that Astellas has acquired Dynogen's North Carolina-based research facility. Financial details regarding the sale were not disclosed. The research facility specializes in state-of-the-art preclinical studies for genitourinary disorders.