GoKawiilFDA Clears PrecivityAD2 Blood Test for Alzheimer's in Adults as Young as 40
The FDA has approved PrecivityAD2, a blood test that detects amyloid and tau biomarkers linked to Alzheimer's disease in symptomatic patients starting at age 40. In a validation study of 1,142 adults, the test correctly identified positive biomarkers 97.6% of the time, even among patients with conditions like kidney disease or diabetes that can otherwise skew results.