Cell Genesys, Inc., a biotechnology company, engages in development and commercialization of biological therapies for cancer. It develops cell-based immunotherapies and oncolytic virus therapies to treat various types of cancer. The company’s clinical stage cancer programs comprise cell- or viral-based products that have been genetically modified to impart disease-fighting characteristics that are not found in conventional chemotherapeutic agents. Its GVAX cancer Immunotherapies include Prostate Cancer, a phase 3 product for the treatment of prostate cancer; Pancreatic Cancer, a phase 2 product for pancreatic cancer; and Leukemia, a phase 2 product for the treatment of acute myelogenous leukemia and chronic myelogenous leukemia. The company’s Oncolytic Virus Therapy includes CG0070, a phase 1 product for the treatment of recurrent bladder cancer. It has a strategic alliance with Novartis AG to develop and commercialize oncolytic virus therapies, and has collaboration agreements with Medarex, Inc. and Amgen, Inc. The company was founded in 1988 and is headquartered in South San Francisco, California.