WALTHAM, Mass.--(BUSINESS WIRE)--ImmunoGen, Inc. (Nasdaq: IMGN), a biotechnology company that develops targeted antibody-based anticancer products, today announced that sanofi-aventis has initiated a Phase I clinical trial with SAR650984, an investigational antibody that targets cancer cells expressing the CD38 protein antigen. This event triggers a $1 million milestone payment to ImmunoGen.
