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Story summary
- The FDA’s Medical Devices Advisory Committee voted to assess Grail Inc.’s Galleri blood test.
- On September 23, 2026, the panel voted 7-2 with one abstention that benefits outweigh risks.
- The committee split 6-4 on whether Galleri’s effectiveness is demonstrated.
- In two large trials, Galleri detected 35% of cancers in 12 months and achieved 99.85% specificity.
- Grail’s shares rose 34% after FDA briefing documents were released, triggering a trading halt.
