PRINCETON, N.J.--(BUSINESS WIRE)--Bristol-Myers Squibb Company (NYSE: BMY) and Medarex, Inc. (NASDAQ: MEDX) today announced updated survival data from three Phase 2 studies of ipilimumab in patients with advanced metastatic melanoma (Stage III or IV) who had previously been treated. Study results show that approximately half of patients who received ipilimumab (10 mg/kg) remained alive beyond one year.