# A Study of ProQuad in Healthy 4 to 6 Year Old Children (V221-014)

> **NCT00985166** · PHASE3 · COMPLETED · sponsor: **Merck Sharp & Dohme LLC** · enrollment: 801 (actual)

## Conditions studied

- Measles
- Mumps
- Rubella
- Varicella

## Interventions

- **BIOLOGICAL:** ProQuad (Measles, Mumps, Rubella and Varicella (Oka-Merck) Virus Vaccine Live)
- **BIOLOGICAL:** Comparator: M-M-R II
- **BIOLOGICAL:** Comparator: Varivax
- **BIOLOGICAL:** Comparator: Placebo

## Key facts

- **NCT ID:** NCT00985166
- **Lead sponsor:** Merck Sharp & Dohme LLC
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2000-08
- **Primary completion:** 2002-05
- **Final completion:** 2003-05
- **Target enrollment:** 801 (ACTUAL)
- **Last updated:** 2015-07-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00985166

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00985166, "A Study of ProQuad in Healthy 4 to 6 Year Old Children (V221-014)". Retrieved via AI Analytics 2026-05-24 from https://api.ai-analytics.org/clinical/NCT00985166. Licensed CC0.

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