Verastem, Inc., a development-stage biopharmaceutical company, focuses on developing and commercializing drugs for the treatment of cancer.Its product in development includes VS-6766, a dual rapidly accelerated fibrosarcoma (RAF)/mitogen-activated protein kinase (MEK) clamp that blocks MEK kinase activity and the ability of RAF to phosphorylate MEK. The company was incorporated in 2010 and is headquartered in Needham, Massachusetts.