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Moderna (MRNA) up 70% premarket on positive phase 3 results of first mRNA treatment to prevent cancer (melanoma recurrence)

S
Aug 19, 2026 · 11:12

Truly groundbreaking stuff

https://www.wsj.com/health/pharma/moderna-merck-vaccine-succeeds-in-preventing-melanoma-from-returning-540e9e18

“An experimental mRNA-based vaccine succeeded in preventing [cancer](https://www.wsj.com/topics/subject/cancer) from coming back or spreading in a study of high-risk melanoma patients, [Moderna](https://www.wsj.com/market-data/quotes/MRNA) and its partner [Merck](https://www.wsj.com/market-data/quotes/MRK) said Wednesday, paving the way for a potentially new life-extending treatment for the thousands of people diagnosed with the deadly skin [cancer](https://www.wsj.com/topics/subject/cancer) each year.”

MRNA up 70% as of this post, MRK up 10%