• Simple blood test can forecast Alzheimerâ s years before memory loss A single blood test may soon predict when Alzheimerâ s symptoms will begin â years before memory loss appears. • Scientists at Washington University School of Medicine in St. • Louis have developed a new way to estimate when a person is likely to start showing symptoms of Alzheimer’s disease using just one blood test. • In a study published Feb. • 19 inNature Medicine, the team reported that their model could forecast the onset of Alzheimer’s symptoms within about three to four years. • Such accuracy could help researchers design faster and more targeted clinical trials for treatments aimed at preventing the disease.
Article Summaries:
- Scientists at Washington University School of Medicine have developed a blood test that can predict the onset of Alzheimer’s symptoms about three to four years before memory loss appears. The test measures plasma levels of the protein p‑tau217, which reflects early amyloid and tau buildup in the brain. In a study of 603 older adults, the model accurately estimated when symptoms would begin, offering a cheaper, more accessible alternative to imaging or lumbar puncture. The approach could accelerate preventive drug trials and, eventually, enable clinicians to advise patients on personalized early‑intervention strategies.
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