Aastrom Biosciences, Inc. has entered into a definitive agreement to acquire Sanofi’s Cell Therapy and Regenerative Medicine (CTRM) business in a transaction valued at $6.5 million. The acquisition, subject to customary closing conditions, is expected to close in the coming weeks. Sanofi had acquired the CTRM business in 2011 with the Genzyme acquisition. Aastrom will gain global commercial rights to three autologous cell therapy products, Carticel marketed in the U.S. for the treatment o...