Progenics Pharmaceuticals, Inc. company was founded in 1986 and is based in Tarrytown, New York. Progenics Pharmaceuticals, Inc., a biopharmaceutical company, engages in the development and commercialization of therapeutic products to treat the unmet medical needs of patients with debilitating conditions and life-threatening diseases in the United States and internationally. The company, in collaboration with Wyeth Pharmaceuticals, provides RELISTOR-Subcutaneous injection for the treatment of opioid-induced constipation (OIC) in advanced illness patients receiving palliative care. It is also developing the HIV entry inhibitor, PRO 140, a humanized monoclonal antibody targeting the entry co-receptor, CCR5, and is in Phase II clinical testing; and a novel HCV entry inhibitor, PRO 206. In addition, Progenics Pharmaceuticals is conducting a Phase I clinical trial of a human monoclonal antibody-drug conjugate (ADC) designed to selectively target prostate-specific membrane antigen (PSMA), a protein found on the surface of prostate cancer cells, as well as in blood vessels supplying non-prostatic solid tumors; and various Phase I clinical trials with vaccines designed to treat prostate cancer by stimulating an immune response to PSMA.