Merck, Moderna Launch Pivotal Cancer Vaccine Trial for High-Risk Melanoma

Source: BioSpace, July 2023

Merck and Moderna announced Wednesday the initiation of a pivotal Phase III high-risk melanoma trial combining the companies’ mRNA-based personalized cancer vaccine with Merck’s blockbuster Keytruda checkpoint inhibitor.

After a successful Phase IIb in stage III/IV melanoma patients with high risk of recurrence after surgery, Phase III is expanding the population to include stage IIb-IV patients. The study will enroll around 1,089 patients at more than 165 sites and in over 25 countries.

The primary endpoint is recurrence-free survival. Secondary endpoints include distant metastasis-free survival and overall survival. Patients will receive either V940 (mRNA-4157), being co-developed and commercialized by Merck and Moderna, in combination with Keytruda or Keytruda alone for comparison.