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BioNTech, Genentech cancel ph. 2 test of personalized cancer vax
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Fusion42 · 28 August 2026 · Fusion42 review
BioNTech and Genentech have stopped a phase 2 trial of their personalized mRNA cancer vaccine for colorectal cancer due to a higher death rate in vaccinated patients compared to controls, while a combination therapy trial continues.
This Wire brief sits within Fusion42's coverage of Biotech, and 2 sources have reported it.
◆ ◆ The Wire takeaway
BioNTech’s setback with their colorectal cancer vaccine as a standalone treatment shows you the risk of pursuing mRNA monotherapies in tough tumor types. You need to rethink survival bets and prioritise combination approaches to stay competitive in cancer immunotherapy.
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2 sources · 28 Aug 2026
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