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

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 are the first demonstration of efficacy for an investigational mRNA cancer treatment in a randomized clinical trial Companies plan to discuss results with regulatory authorities and initiate a Phase 3 study in melanoma in 2023 and rapidly expand to additional tumor types CAMBRIDGE, MA and RAHWAY, NJ / ACCESSWIRE / December 13, 2022 / Moderna, Inc. (NASDAQ:MRNA), a biotechnology company pioneering messenger RNA (mRNA) therapeutics and vaccines, and Merck (NYSE:MRK), known as MSD outside of the United States and Canada, today announced that the Phase 2b KEYNOTE-942/mRNA-4157-P201 trial of mRNA-4157/V940, an investigational personalized mRNA cancer vaccine, in combination with KEYTRUDA ® ,