Merck-Moderna melanoma vaccine combo shows phase 3 win for delaying recurrence
Merck and Moderna reported positive phase 3 results for a personalized mRNA cancer vaccine used with Keytruda in melanoma patients who had surgery, significantly extending disease-free survival and reducing the risk of distant metastasis versus Keytruda alone; safety was comparable to vaccines, and the teams will pursue regulatory submissions while continuing to assess overall survival.