Immunotherapy and Sonpavde score validation in advanced upper tract urothelial carcinoma: a retrospective study by the Italian Network for Research in Urologic-Oncology.
Background: Few data are available regarding the effectiveness of immune checkpoint inhibitors in advanced upper tract urothelial carcinoma (UTUC) patients. Methods: To provide a real-world experience with anti-PD-1/PD-L1-based therapy in UTUC patients, we involved an Italian network in a multicenter retrospective analysis.