12/08/2025 Perioperative pembrolizumab + enfortumab vedotin significantly improved EFS, OS and pCR in cisplatin-ineligible MIBC (Ref) The Phase 3 KEYNOTE-905/EV-303 trial of Merck & Co./MSD's pembrolizumab (Keytruda; anti-PD-1) + Astellas Pharma and Pfizer's enfortumab vedotin (Padcev; anti-Nectin-4 ADC) given before and after radical cystectomy demonstrated a statistically significant and clinically meaningful improvement in the primary endpoint of EFS, as well as key second