Merck, Moderna say melanoma vaccine meets goals in large trial
- Posted on August 19, 2026
- By Bing News
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Merck, Moderna say melanoma vaccine meets goals in large trial
By Julie Steenhuysen CHICAGO, Aug 19 (Reuters) - Merck and Moderna said on Wednesday a study of a personalized mRNA vaccine combined with the immunotherapy drug Keytruda reduced skin cancer recurrence and spread compared with Keytruda alone, the first positive late-stage trial results for an mRNA cancer vaccine. Shares of Moderna rose 40%, while Merck climbed 2% in premarket trading. The trial
