KEYTRUDA® (pembrolizumab) Plus Padcev® (enfortumab vedotin-ejfv) Significantly Improved Event-Free Survival, Overall Survival and Pathologic Complete Response Rates for Cisplatin-Eligible Patients with MIBC When Given Before and After Surgery

RAHWAY, N.J.--(BUSINESS WIRE)--Merck (NYSE: MRK), known as MSD outside the United States and Canada, today announced positive topline results from the Phase 3 KEYNOTE-B15 trial (also known as EV-304) in patients with muscle-invasive bladder cancer (MIBC) who are eligible for cisplatin-based chemotherapy. The trial showed KEYTRUDA® (pembrolizumab) plus Padcev ® (enfortumab vedotin-ejfv), given as neoadjuvant and adjuvant treatment (before and after surgery), demonstrated a statistically signific