NCT01097239 2020-11-20Examining the Role of Transrectal High Intensity Focused Ultrasound (HIFU) in Rectal Pelvic CancerImperial College LondonPhase 1/2 Withdrawn
NCT03220009 2018-10-03Nivolumab or Expectant Observation Following Ipilimumab, Nivolumab, and Surgery in Treating Patients With High Risk Localized, Locoregionally Advanced, or Recurrent Mucosal MelanomaNational Cancer Institute (NCI)Phase 2 Withdrawn