Doxycycline to prevent STIs in men who have sex with men
Treatments studied
Part of Infections clinical trials.
This trial tests whether taking a single dose of doxycycline after sex can prevent common sexually transmitted infections (STIs) like gonorrhea, chlamydia, and syphilis in men who have sex with men (MSM) in Bangkok.
Summary written for real people, not researchers, by Clin2.
Who can take part
- You are a man aged 18 to 60.
- You are Thai and can understand Thai.
- You have had unprotected sex or a condom problem with at least two partners in the past 3 months, or you were diagnosed with an STI in the past 6 months, or you are currently taking PrEP for HIV.
- You are willing to come to the clinic for STI testing and take doxycycline as directed.
- You do not have a history of allergy to doxycycline or similar antibiotics.
- You are not taking certain medications that could interact with doxycycline, like some acne treatments, seizure meds, or blood thinners.
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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