UNSAFE SEX

Clinical trials for UNSAFE SEX explained in plain language.

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Completed 1

Could a common antibiotic and a meningitis shot stop STIs in high-risk men?

Prevention Completed

This study tested whether taking the antibiotic doxycycline after sex or getting a meningitis vaccine (Bexsero) could prevent bacterial STIs like chlamydia, syphilis, and gonorrhea. It involved 556 men who have sex with men who were already using HIV PrEP and had a recent STI. Th…

Matched conditions: UNSAFE SEX

Phase: PHASE3 • Sponsor: ANRS, Emerging Infectious Diseases • Aim: Prevention

Last updated Jun 07, 2026 19:26 UTC

UNSAFE SEX

Get alerted when new UNSAFE SEX trials appear

Could a common antibiotic and a meningitis shot stop STIs in high-risk men?