Brain blood flow secrets revealed? new trial tests how we react to low flow
NCT ID NCT06629090
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at how the brain's blood vessels respond when blood flow drops suddenly. Healthy adults aged 20-40 will undergo MRI scans while doing breathing exercises and a simulated postural change. Some will receive a single dose of prazosin, a blood pressure drug, to see how it affects brain blood flow. The goal is to better understand the brain's natural defenses against low blood flow.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
prazosin
What this could lead to
If successful, this could help researchers understand how the brain regulates blood flow during low-flow states, potentially guiding future treatments for conditions like fainting or stroke.
What could go wrong
This is a small, early-phase study in healthy volunteers, not patients. The results may not apply to real-world conditions or lead directly to treatments.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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University of Wisconsin
RECRUITINGMadison, Wisconsin, 53705, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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