Hair, blood, and urine tests aim to solve STI prevention puzzle
NCT ID NCT06414408
First seen Apr 24, 2026 · Last updated May 01, 2026 · Updated 1 time
Summary
This study looks at why the antibiotic doxycycline prevents sexually transmitted infections (STIs) in some people but not in others. Researchers will measure doxycycline levels in hair, blood, and urine from 48 volunteers who take the drug on different schedules. The goal is to develop better ways to track whether people are actually taking their medication, which will help interpret results from larger STI prevention studies.
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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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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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University of California, San Francisco/San Francisco General Hospital
RECRUITINGSan Francisco, California, 94110, United States
Contact Email: •••••@•••••
Conditions
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