Hair, blood, and urine tests aim to solve Doxy-PEP mystery
NCT ID NCT06414408
First seen Apr 24, 2026 · Last updated Jun 11, 2026 · Updated 10 times
Summary
This study looks at why the antibiotic doxycycline prevents sexually transmitted infections (STIs) in some people but not others. Researchers will measure doxycycline levels in hair, blood, and urine from 48 volunteers to develop better ways to track whether participants are taking the medication as directed. The goal is to improve future STI prevention efforts.
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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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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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