Meningitis b vaccine tested as gonorrhea shield in men

NCT ID NCT05766904

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This Phase 3 trial tests whether a meningitis B vaccine (Bexsero) can prevent gonorrhea infections in men who have sex with men. 150 participants in Hong Kong will receive either the vaccine or a placebo. Researchers will compare infection rates and monitor safety.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

Active substance

4CMenB vaccine (Bexsero)

What this could lead to

If it works, this could point toward a new way to prevent gonorrhea, a common sexually transmitted infection, using an existing vaccine.

What could go wrong

This is a small, early-stage trial with only 150 men in Hong Kong. The vaccine may not prove effective, and results may not apply to other populations.

Disclaimer Read more

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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Conditions

The condition(s) this trial relates to.

sexually transmitted disease gonorrhea prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Stanley Ho Centre for Emerging Infectious Diseases

    Shatin, Hong Kong