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Grail's Galleri Blood Test Fails to Reduce Late-Stage Cancers in Major Trial

Aug 02, 2026

A major clinical trial found that Grail's Galleri blood test did not reduce late-stage cancer diagnoses, raising questions about multi-cancer early detection. Meanwhile, the FDA approved a second blood-based colorectal cancer screening test, and an AI-powered liquid biopsy showed promise for Ewing sarcoma.