# Experimental mRNA cancer vaccine plus Keytruda cuts melanoma recurrence or death risk by 42%

https://mins.news/en/item/111882

- CNN, 2026-10-22 23:02 UTC
- Health
- Original: https://www.cnn.com/2026/10/22/health/mnra-cancer-vaccine-moderna?Date=20261022&Profile=CNN

> An experimental mRNA cancer vaccine combined with the approved drug Keytruda reduced patients’ risk of cancer returning after surgery or death by 42% compared with Keytruda alone, pointing to a new approach to treating melanoma.

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- [Cancer vaccine lowers risk of melanoma tumors returning](https://mins.news/en/video/111892) — The Associated Press, 2026-10-22
- [Moderna and Merck say mRNA cancer vaccine cut death or recurrence risk by 42%](https://mins.news/en/item/111941) — Ars Technica, 2026-10-22