# A Study on the Immune Response and Safety of an Investigational Combined Measles, Mumps, Rubella and Varicella Vaccine, When Given to Healthy Children 4 to 6 Years of Age

> **NCT07742644** · PHASE3 · NOT_YET_RECRUITING · sponsor: **GlaxoSmithKline** · enrollment: 1860 (estimated)

## Conditions studied

- Measles
- Mumps
- Rubella
- Varicella (Chickenpox)
- Measles-Mumps-Rubella+Chickenpox Vaccine

## Interventions

- **BIOLOGICAL:** MMRVNS vaccine
- **BIOLOGICAL:** MMRV vaccine
- **BIOLOGICAL:** DTaP-IPV vaccine

## Key facts

- **NCT ID:** NCT07742644
- **Lead sponsor:** GlaxoSmithKline
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-08-11
- **Primary completion:** 2028-06-27
- **Final completion:** 2028-11-21
- **Target enrollment:** 1860 (ESTIMATED)
- **Last updated:** 2026-08-03


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07742644

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07742644, "A Study on the Immune Response and Safety of an Investigational Combined Measles, Mumps, Rubella and Varicella Vaccine, When Given to Healthy Children 4 to 6 Years of Age". Retrieved via MORVS 2026-10-21 from https://api.morvs.ai/clinical/NCT07742644. Licensed CC0.

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