Overview Preoperative Immune Checkpoint Inhibitor for Patients With Primary Untreated or Recurrent/Metastatic SCCHN Status: Recruiting Trial end date: 2024-07-01 Target enrollment: Participant gender: Summary Nivolumab (also known as BMS-936558) before surgery to people with newly diagnosed or recurrent squamous cell carcinoma of head and neck (SCCHN). Phase: Phase 2 Details Lead Sponsor: Sidney Kimmel Comprehensive Cancer Center at Johns HopkinsCollaborator: Bristol-Myers SquibbTreatments: Nivolumab