# A Study to Test the Safety and Effectiveness of an Investigational Vaccine in Infants (V419-002)

> **NCT00551629** · PHASE2 · COMPLETED · sponsor: **Merck Sharp & Dohme LLC** · enrollment: 708 (actual)

## Conditions studied

- Bacterial Infections; Virus Diseases

## Interventions

- **BIOLOGICAL:** AR51 (12, 10)
- **BIOLOGICAL:** PR51 (3, 10)
- **BIOLOGICAL:** PR51 (6, 10)
- **BIOLOGICAL:** PR51 (6, 15)

## Key facts

- **NCT ID:** NCT00551629
- **Lead sponsor:** Merck Sharp & Dohme LLC
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE2
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2001-05
- **Primary completion:** 2003-03
- **Final completion:** 2003-03
- **Target enrollment:** 708 (ACTUAL)
- **Last updated:** 2015-10-30


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00551629

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00551629, "A Study to Test the Safety and Effectiveness of an Investigational Vaccine in Infants (V419-002)". Retrieved via AI Analytics 2026-06-25 from https://api.ai-analytics.org/clinical/NCT00551629. Licensed CC0.

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