Multicenter Phase II Study of Gemcitabine/Cisplatin (GC) Chemotherapy Combined With PD-1 Inhibitor (Toripalimab) in the Neoadjuvant Treatment of Upper Urinary and Muscular Invasive Bladder Urothelial Carcinoma

Few previous studies focused on the neoadjuvant treatments of upper urinary or bladder cancer, especially chemotherapy combined with immunotherapy, however, available data of retrospective studies showed this neoadjuvant treatment model might benefit patients. So This prospective Phase II clinical trial was designed to explore the efficacy of chemotherapy combined with PD-1 inhibitor as neoadjuvant therapy in upper urinary and muscle-invasive bladder urothelial carcinoma, then to improve the rate of complete pathological remission, survival and provide medical evidence.