# Study Evaluating a 13-Valent Pneumococcal Conjugate Vaccine in Healthy Infants

> **NCT00474539** · PHASE3 · COMPLETED · sponsor: **Wyeth is now a wholly owned subsidiary of Pfizer** · enrollment: 449 (actual)

## Conditions studied

- Vaccines, Pneumococcal

## Interventions

- **BIOLOGICAL:** 13-valent pneumococcal conjugate vaccine
- **BIOLOGICAL:** 7-valent pneumococcal conjugate vaccine

## Key facts

- **NCT ID:** NCT00474539
- **Lead sponsor:** Wyeth is now a wholly owned subsidiary of Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-07
- **Primary completion:** 2009-03
- **Final completion:** 2009-03
- **Target enrollment:** 449 (ACTUAL)
- **Last updated:** 2013-03-05


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00474539

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00474539, "Study Evaluating a 13-Valent Pneumococcal Conjugate Vaccine in Healthy Infants". Retrieved via AI Analytics 2026-09-27 from https://api.ai-analytics.org/clinical/NCT00474539. Licensed CC0.

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