Could blood transfusions spread Alzheimer's? new study investigates
NCT ID NCT07157839
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at donated blood samples to see if some contain high levels of a protein called pTau217, which is linked to Alzheimer's disease. Researchers want to know if such blood might be risky for transfusion recipients. They will measure pTau217 in plasma from 250 blood donors using a sensitive nanoneedle technology. The goal is to gather information that could eventually improve blood safety.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
- What this could lead to
- If elevated pTau217 is found in donated blood, this could lead to screening measures to make blood transfusions safer for recipients.
- What could go wrong
- This is an early observational study with no intervention, so it only measures levels—it cannot prove that transfusing such blood causes Alzheimer's. The sample size is modest, and results may not apply to all populations.
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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.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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University of Texas Health Science Center at Houston
RECRUITINGHouston, Texas, 77030, United States
Contact
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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