Patient-reported Outcomes in KEYNOTE-921: Pembrolizumab with Docetaxel and Prednisone for Patients with Metastatic Castration-resistant Prostate Cancer. - Matsubara N; Petrylak D; Ratta R; Korbenfeld E; Gafanov R; Mourey L; Todenhöfer T; Gurney H; Kramer G; Bergman AM; Zalewski P; Santis M; et al. (European urology oncology, 2026)