CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 447 enrolled
Drug / intervention
Meningococcal Polysaccharide (Serogroups A, C, W, and Y) Tetanus Toxoid Conjugate Vaccinebiological
Likely dose
Not stated in record
Structured eligibility isn't available for this trial yet — see the full criteria in the Eligibility tab below.

Standardized by ClinicalIndex from the ClinicalTrials.gov record · verify against the source.

Search/NCT06228586
NCT06228586Phase 3Completed

A Phase III, Open-label, Single-center Study to Describe the Immunogenicity and Safety of a Single Dose of MenACYW Conjugate Vaccine in Participants Aged 12 Months and Older in Vietnam

Sanofi Pasteur, a Sanofi Company·interventional·Posted Jan 29, 2024·Updated Sep 17, 2025

In Brief

A Phase 3 clinical trial evaluating Meningococcal Polysaccharide (Serogroups A, C, W, and Y) Tetanus Toxoid Conjugate Vaccine for Meningococcal Infection and Healthy Volunteers. Completed, enrolled 447 participants across 4 sites.

Detailed Summary

The MEQ00074 study was a Phase III, open-label, single-center study aimed at describing the immunogenicity and safety of a single dose of investigational quadrivalent Meningococcal Polysaccharide (serogroups A, C, W, and Y) Tetanus Toxoid Conjugate Vaccine (MenACYW conjugate vaccine) in participants aged 12 months and older in Vietnam. The primary objectives of the study were: * To describe the antibody responses to meningococcal serogroups A, C, W, and Y before and 30 days after the administration of a single dose of MenACYW conjugate vaccine * To describe the safety profile of a single dose of MenACYW conjugate vaccine The duration of each participant's participation will be approximately 30 to 44 days.

Study Details

Study Typeinterventional
Allocation--
Masking--
Primary Purpose--
CountriesVietnam
Collaborators--

Timeline

Phase 3CompletedFinished
202420252026
First PostedJan 29, 2024
Enrollment StartJan 18, 2024
Primary CompletionMar 31, 2024
TodayJul 2, 2026
Enrollment to primary: 2 monthsPosted 2.4 years ago

Interventions

Meningococcal Polysaccharide (Serogroups A, C, W, and Y) Tetanus Toxoid Conjugate Vaccinebiological

Pharmaceutical form:Liquid solution-Route of administration:Intramuscular injection