# Efficacy Trial on Meningococcal B Vaccine for Preventing Gonorrhea Infections

> **NCT05766904** · PHASE3 · ACTIVE_NOT_RECRUITING · sponsor: **Chinese University of Hong Kong** · enrollment: 150 (estimated)

## Conditions studied

- Gonorrhea
- Sexually Transmitted Infection

## Interventions

- **BIOLOGICAL:** 4CMenB vaccine
- **OTHER:** Placebo

## Key facts

- **NCT ID:** NCT05766904
- **Lead sponsor:** Chinese University of Hong Kong
- **Sponsor class:** OTHER
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2023-05-04
- **Primary completion:** 2026-09
- **Final completion:** 2026-12
- **Target enrollment:** 150 (ESTIMATED)
- **Last updated:** 2026-03-19


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT05766904

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT05766904, "Efficacy Trial on Meningococcal B Vaccine for Preventing Gonorrhea Infections". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT05766904. Licensed CC0.

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