FDA Clears Alzheimer's Blood Test, Pauses Gene Therapy Trial Over Safety Concerns

The FDA has cleared a new blood test from Roche and Eli Lilly designed to help identify symptoms related to Alzheimer’s disease in patients over age 55. The Elecsys Phospho-Tau (217P) Plasma test is a "minimally invasive" single-biomarker test for the likelihood of amyloid pathology, a brain symptom linked with Alzheimer’s. This moves detection from expensive, invasive procedures like PET scans or cerebrospinal fluid testing into standard lab workflows. Both Labcorp and...