TARRYTOWN, N.Y.--(BUSINESS WIRE)--Feb. 22, 2006--Progenics Pharmaceuticals, Inc. (Nasdaq: PGNX) today announced that PRO 140 has been designated a fast track product by the U.S. Food and Drug Administration (FDA) for the treatment of human immunodeficiency virus (HIV) infection. The FDA Fast Track Development Program facilitates development and expedites regulatory review of drugs intended to address an unmet medical need for serious or life-threatening conditions. PRO 140 belongs to a new class of HIV/AIDS therapeutics -- viral-entry inhibitors -- that are intended to protect healthy cells from viral infection. PRO 140, currently in phase 1b clinical trials in HIV-infected individuals, is a humanized monoclonal antibody directed against CCR5, a molecular portal that HIV uses to enter cells.
