Moderna and Merck Announce mRNA-4157/V940, an Investigational Personalized mRNA Cancer Vaccine, in Combination With KEYTRUDA® (pembrolizumab), Met Primary Efficacy Endpoint in Phase 2b KEYNOTE-942 Trial - Merck.com

mRNA-4157/V940, in combination with KEYTRUDA, demonstrated a statistically significant and clinically meaningful reduction in the risk of disease recurrence or death compared to KEYTRUDA monotherapy in stage III/IV melanoma patients with high risk of recurrence following complete resection Results …