Saturday, August 29, 2026

BioNTech, Genentech halt mRNA colorectal cancer vaccine trial

BioNTech and Roche's Genentech terminated a Phase 2 trial of their individualized mRNA cancer vaccine autogene cevumeran (BNT122) in adjuvant colorectal cancer on August 28, after an independent data safety monitoring board recommended discontinuing treatment. The trial had tripped a futility threshold back in October 2025 but was kept running for more data; BioNTech's US-listed shares fell nearly 9% on the news, while the companion Phase 2 trial of the same vaccine in adjuvant pancreatic cancer continues.

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