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Russia Says Enteromix mRNA Cancer Vaccine Clears Preclinical Tests, Eyes Phase I Trials

Officials cite 60–80% tumor responses in preclinical models, with human testing pending.

Overview

  • FMBA chief Veronika Skvortsova announced at the Eastern Economic Forum that Enteromix completed required preclinical studies and is ready to move into human testing.
  • Developers say documents have been submitted to the Health Ministry, with an initial Phase I trial reported to involve up to 48 participants.
  • Enteromix is a personalized mRNA immunotherapy that uses AI to select neoantigens, with colorectal cancer as the first target and candidates for glioblastoma and certain melanomas advancing.
  • Preclinical work reportedly showed safety after repeated dosing and tumor shrinkage or slower progression in about 60–80% of cases, alongside improved survival in test models.
  • Some outlets touted 100% efficacy and imminent rollout, but those claims conflict with official figures and there are no peer‑reviewed data or regulatory approvals yet.