NCT04396860 2026-04-22Testing the Use of the Immunotherapy Drugs Ipilimumab and Nivolumab Plus Radiation Therapy Compared to the Usual Treatment (Temozolomide and Radiation Therapy) for Newly Diagnosed MGMT Unmethylated GlioblastomaNational Cancer Institute (NCI)Phase 2/3 Completed159 enrolled 17 charts