NCT04871529 2024-12-30Testing the Addition of an Anti-Cancer Immunotherapy Drug, Avelumab, to Gemcitabine and Carboplatin Chemotherapy Prior to Surgery in Muscle Invasive Urinary Tract Cancer vs. Surgery Alone in Patients Who Are Not Able to Receive Cisplatin Therapy (SWOG GAP TRIAL)SWOG Cancer Research NetworkPhase 2 Terminated6 enrolled 12 charts