Vitamin a levels under the microscope in voice box lesion study
NCT ID NCT05323292
First seen Jun 27, 2026 · Last updated Jul 17, 2026 · Updated 1 time
Summary
This study looks at vitamin A levels in 90 adults with vocal fold leukoplakia, a condition that causes white patches on the vocal cords. Researchers want to see if vitamin A status differs between people with and without precancerous changes. Participants provide blood and tissue samples, and take an oral vitamin A tracer. This is an observational study, not a treatment trial.
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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
Locations
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University of Wisconsin Hospitals and Clinics
Madison, Wisconsin, 53792, United States
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