CAMBRIDGE, Mass.--(BUSINESS WIRE)--ImmunoGen, Inc. (Nasdaq: IMGN) today announced that sanofi-aventis has entered into an option agreement that enables it to gain expanded access to the Company’s Tumor-Activated Prodrug (TAP) technology. Sanofi-aventis currently has rights to use the technology with antibodies to the targets that are included in the existing research collaboration between the companies. Exercise of the option announced today would enable sanofi-aventis to be able to use the technology with antibodies to targets not included in this research collaboration.
