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Moderna shares surge 90% after positive Phase 3 results for personalized mRNA melanoma vaccine.

Market News
19 Aug 2026
Finbold
View Source
Bullish
Moderna shares surge 90% after positive Phase 3 results for personalized mRNA melanoma vaccine.

Moderna and Merck reported positive Phase 3 trial results for their personalized mRNA-based cancer vaccine combined with Keytruda, showing significant improvement in recurrence-free survival for melanoma patients. This marks the first successful Phase 3 study of an individualized mRNA cancer therapy, potentially expanding Moderna's business beyond COVID-19 vaccines. The companies plan to present detailed data and pursue regulatory approval, possibly by 2027, boosting investor confidence and Moderna's oncology pipeline prospects.

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