Simple blood test can forecast Alzheimer’s years before memory loss
Washington University researchers report a plasma p-tau217 blood test that predicts symptomatic Alzheimer’s onset about three to four years before memory loss, reflecting amyloid and tau buildup and potentially enabling earlier preventive trials and personalized care.
Why it mattersWashington University's p-tau217 forecast enables trial designers to target pre-symptomatic participants, reducing enrollment time.