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Alzheimer's blood tests move closer to routine clinical use

Original: Alzheimer’s blood tests are moving closer to routine clinical use. Biomarkers such as p-tau217 can help identify Alzheim

Blood-based biomarkers such as p-tau217 are advancing toward routine clinical use in Alzheimer's diagnosis, with researchers reporting they can detect Alzheimer's-related brain changes earlier than current methods. If adopted widely, the tests could reduce reliance on expensive PET scans and invasive spinal-fluid testing, making earlier diagnosis and treatment planning more accessible for patients and health systems.

Why now: A simple, less invasive diagnostic option for Alzheimer's would be a major shift in how the disease is detected and managed, drawing wide medical and public interest.

p-tau217Alzheimer's diseasePET scanning

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Evidence

• Alzheimer’s blood tests are moving closer to routine clinical use. Biomarkers such as p-tau217 can help identify Alzheimer’s-related brain changes earlier and may reduce the need for PET scans or spinal-fluid testing. https://www. nexthorizon.space/2026/09/alzh… · nexthorizon · 18

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