Moderna, Merck Personalized mRNA Vaccine Shows Promise in Late-Stage Melanoma Trial
Aug 21, 2026
Moderna and Merck's personalized mRNA cancer vaccine, intismeran autogene, showed promising Phase 3 results in preventing melanoma recurrence. Combined with Keytruda, it cut recurrence risk by half and reduced spread by 59% in earlier data. The treatment could reach patients within two years pending regulatory approval.