UNSAFE SEX

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Completed 1

New combo strategy slashes STI risk in high-risk men

Prevention Completed

This study tested whether taking an antibiotic (doxycycline) after sex and getting a meningitis vaccine (Bexsero) could prevent bacterial STIs like chlamydia, syphilis, and gonorrhea. It involved 556 men who have sex with men and were already using HIV PrEP. The goal was to see i…

Matched conditions: UNSAFE SEX

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

Last updated May 14, 2026 12:04 UTC

UNSAFE SEX

Get alerted when new UNSAFE SEX trials appear

New combo strategy slashes STI risk in high-risk men