# Immunogenicity and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine in Healthy Adults, Adolescents, Children, and Toddlers in India and Healthy Adolescents and Children in the Republic of South Africa

> **NCT04143061** · PHASE3 · COMPLETED · sponsor: **Sanofi Pasteur, a Sanofi Company** · enrollment: 1328 (actual)

## Conditions studied

- Meningococcal Immunization
- Healthy Volunteers

## Interventions

- **BIOLOGICAL:** Meningococcal polysaccharide (serogroups A,C,Y and W) tetanus toxoid conjugate vaccine
- **BIOLOGICAL:** Meningococcal polysaccharide (serogroups A,C,Y and W-135) diphtheria toxoid conjugate vaccine
- **BIOLOGICAL:** Meningococcal polysaccharide (serogroups A, C, Y and W-135) vaccine

## Key facts

- **NCT ID:** NCT04143061
- **Lead sponsor:** Sanofi Pasteur, a Sanofi Company
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-12-30
- **Primary completion:** 2023-01-28
- **Final completion:** 2023-01-28
- **Target enrollment:** 1328 (ACTUAL)
- **Last updated:** 2025-02-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04143061

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04143061, "Immunogenicity and Safety of an Investigational Quadrivalent Meningococcal Conjugate Vaccine in Healthy Adults, Adolescents, Children, and Toddlers in India and Healthy Adolescents and Children in the Republic of South Africa". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT04143061. Licensed CC0.

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