CI

At a glance

ClinicalIndex Comparison Record
Phase 3Completed· 360 enrolled
Drug / intervention
Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine (MenACYW Conjugate Vaccine) +1 morebiological
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/NCT04368429
NCT04368429Phase 3Completed

Immunogenicity and Safety of a Single Dose of an Investigational Quadrivalent Meningococcal Conjugate Vaccine in Children, Adolescents, and Adults 2 to 55 Years of Age

Sanofi·interventional·Posted Apr 29, 2020·Updated Sep 15, 2025

In Brief

A Phase 3 clinical trial evaluating Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine (MenACYW Conjugate Vaccine) and Meningococcal (Groups A, C, Y and W 135) Polysaccharide Diphtheria Toxoid Conjugate Vaccine for Meningococcal Immunisation (Healthy Volunteers). Completed, enrolled 360 participants across 4 sites.

Detailed Summary

Primary Objective: To demonstrate the non-inferiority of the antibody responses to meningococcal serogroups A, C, Y, and W following the administration of a single dose of Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine (MenACYW Conjugate vaccine) compared with those observed following the administration of a single dose of Meningococcal (Groups A, C, Y and W-135) Polysaccharide Diphtheria Toxoid Conjugate Vaccine (Menactra® vaccine). Secondary Objective: Immunogenicity: To describe the antibody responses to the meningococcal serogroups A, C, Y, and W before and 30 days (+14 days) after vaccination with MenACYW Conjugate vaccine or Menactra®. Safety: To describe the safety profile of MenACYW Conjugate vaccine and that of Menactra®.

Study Details

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

Timeline

Phase 3CompletedFinished
202120222023202420252026
First PostedApr 29, 2020
Enrollment StartMay 22, 2020
Primary CompletionNov 7, 2020
TodayJul 2, 2026
Enrollment to primary: 6 monthsPosted 6.2 years ago

Interventions

Meningococcal Polysaccharide (Serogroups A, C, Y, and W) Tetanus Toxoid Conjugate Vaccine (MenACYW Conjugate Vaccine)biological

Pharmaceutical form: Liquid solution Route of administration: IM

Meningococcal (Groups A, C, Y and W 135) Polysaccharide Diphtheria Toxoid Conjugate Vaccinebiological

Pharmaceutical form: Liquid solution Route of administration: IM