Blood test could detect Alzheimer's years before symptoms worsen
NCT ID NCT07401849
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study will check if a blood test can find signs of Alzheimer's disease in people with early memory concerns. Researchers will test 1,000 adults aged 55 and older in primary care. The goal is to see if blood markers for amyloid and tau proteins match those found in spinal fluid, which is the current gold standard for diagnosis.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- Active substance
- blood test for amyloid and tau proteins
- What this could lead to
- If successful, this blood test could allow doctors to detect Alzheimer's disease earlier and more easily, potentially leading to earlier care and planning.
- What could go wrong
- This is an observational study, not a treatment trial. The test may not be accurate enough for routine use, and results may not change patient outcomes.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
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