Preventing bacterial STIs in women with post-sex doxycycline
Treatments studied
Part of Infections clinical trials.
This study tests whether taking an antibiotic called doxycycline after sex can prevent bacterial STIs (like chlamydia and gonorrhea) in women. You would take the pill within 72 hours after sex and track it with a smartphone app, aiming to reduce your risk of getting an STI.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are female and between 18 and 35 years old.
- You have had vaginal sex without a condom with a male partner in the past year.
- You either had a bacterial STI (like chlamydia or gonorrhea) in the past year, or you've had 2 or more sexual partners in the last 6 months.
- You plan to remain sexually active over the next year and are comfortable using a smartphone app.
- You are not pregnant, not planning to become pregnant, and have no allergy to doxycycline or similar antibiotics.
- If you are living with HIV, your viral load is under 200 copies/mL and your CD4 count is above 200 cells/mm³.
Quick eligibility check
Answer a few plain-language questions, based on this study's own requirements, to get a preliminary sense of fit.
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