Bristol-Myers Squibb Company announced that the U.S. Food and Drug Administration (FDA) has approved Opdivo (nivolumab) injection, for intravenous use, for the treatment of patients with recurrent or metastatic squamous cell carcinoma of the head and neck (SCCHN) with disease progression on or after platinum-based therapy. Opdivo is the first and only Immuno-Oncology treatment proven in a Phase 3 trial to significantly extend overall survival (OS) for these patients. In oncology clinical trials, OS is considered the gold standard primary endpoint to evaluate the outcome of any therapy.