# Study Evaluating 13-valent Pneumococcal Conjugate Vaccine in Healthy Infants

> **NCT00475033** · PHASE3 · COMPLETED · sponsor: **Wyeth is now a wholly owned subsidiary of Pfizer** · enrollment: 603 (actual)

## Conditions studied

- Vaccines, Pneumococcal Conjugate Vaccine

## Interventions

- **BIOLOGICAL:** 13-valent Pneumococcal Conjugate Vaccine
- **BIOLOGICAL:** 7-valent pneumococcal conjugate vaccine

## Key facts

- **NCT ID:** NCT00475033
- **Lead sponsor:** Wyeth is now a wholly owned subsidiary of Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2007-06
- **Primary completion:** 2009-05
- **Final completion:** 2009-05
- **Target enrollment:** 603 (ACTUAL)
- **Last updated:** 2011-04-21


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00475033

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00475033, "Study Evaluating 13-valent Pneumococcal Conjugate Vaccine in Healthy Infants". Retrieved via AI Analytics 2026-07-25 from https://api.ai-analytics.org/clinical/NCT00475033. Licensed CC0.

---

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