# Study on a Quadrivalent Meningococcal Conjugate Vaccine (MenACYW Conjugate Vaccine) Compared to Two Meningococcal Reference Vaccines in European Toddlers

> **NCT03890367** · PHASE3 · COMPLETED · sponsor: **Sanofi Pasteur, a Sanofi Company** · enrollment: 707 (actual)

## Conditions studied

- Meningococcal Immunisation (Healthy Volunteers)

## Interventions

- **BIOLOGICAL:** Meningococcal polysaccharide (serogroups A, C, Y, and W) tetanus toxoid Conjugate vaccine
- **BIOLOGICAL:** Meningococcal polysaccharide group A, C, W-135 and Y Conjugate vaccine
- **BIOLOGICAL:** Meningococcal group C polysaccharide Conjugate vaccine adsorbed

## Key facts

- **NCT ID:** NCT03890367
- **Lead sponsor:** Sanofi Pasteur, a Sanofi Company
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2019-09-12
- **Primary completion:** 2020-10-14
- **Final completion:** 2020-10-14
- **Target enrollment:** 707 (ACTUAL)
- **Last updated:** 2025-09-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03890367

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03890367, "Study on a Quadrivalent Meningococcal Conjugate Vaccine (MenACYW Conjugate Vaccine) Compared to Two Meningococcal Reference Vaccines in European Toddlers". Retrieved via AI Analytics 2026-05-27 from https://api.ai-analytics.org/clinical/NCT03890367. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*