# Nasopharyngeal Streptococcus Pneumoniae Carriage

> **NCT00471822** · — · COMPLETED · sponsor: **Pfizer** · enrollment: 9707 (actual)

## Conditions studied

- Streptococcus Pneumoniae Infections

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT00471822
- **Lead sponsor:** Pfizer
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2005-07
- **Primary completion:** 2010-12
- **Final completion:** 2010-12
- **Target enrollment:** 9707 (ACTUAL)
- **Last updated:** 2013-11-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT00471822

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT00471822, "Nasopharyngeal Streptococcus Pneumoniae Carriage". Retrieved via AI Analytics 2026-07-30 from https://api.ai-analytics.org/clinical/NCT00471822. Licensed CC0.

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