Wrist block study reveals secrets of blood flow control
NCT ID NCT07429292
First seen Feb 25, 2026 · Last updated Apr 29, 2026 · Updated 12 times
Summary
This study looks at how a targeted nerve block near the wrist affects blood flow and hand temperature in 20 healthy adults. Participants will receive an ultrasound-guided injection of anesthetic around the radial artery, and researchers will measure changes in finger pulse and hand temperature before and after a cold-water test. The goal is to better understand the body's automatic control of blood vessels, not to treat any disease.
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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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Locations
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Duke University Medical Center
Durham, North Carolina, 27710, United States
Conditions
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