Study Evaluating the Safety, Tolerability and Immunogenicity of 13vPnC as a 2-Dose Regimen or With 23vPS
Public ClinicalTrials.gov record NCT00574548. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
A Phase 3, Randomized, Active-Controlled, Modified Double-blind Trial to Evaluate the Safety, Tolerability, and Immunogenicity of 13-valent Pneumococcal Conjugate Vaccine When Administered Over 12 Months Either as a 2-Dose Regimen or With 23-valent Pneumococcal Polysaccharide Vaccine in Healthy Adults 60 to 64 Years of Age Who Are Naive to 23vPS
Study identification
- NCT ID
- NCT00574548
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Lead sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
- Industry
- Enrollment
- 720 participants
Conditions and interventions
Conditions
Interventions
- 13 valent Pneumococcal Conjugate Vaccine Biological
- 23-valent Pneumococcal Polysaccharide Vaccine Biological
Biological
Eligibility (public fields only)
- Age range
- 60 Years to 64 Years
- Sex
- All
- Healthy volunteers
- Not listed
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Oct 31, 2007
- Primary completion
- Jan 31, 2010
- Completion
- Jan 31, 2010
- Last update posted
- Jul 21, 2011
2007 – 2010
United States locations
- U.S. sites
- 6
- U.S. states
- 6
- U.S. cities
- 6
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pfizer Investigational Site | Chandler | Arizona | 85224 | — |
| Pfizer Investigational Site | Pembroke Pines | Florida | 33024 | — |
| Pfizer Investigational Site | Boise | Idaho | 83704 | — |
| Pfizer Investigational Site | Raleigh | North Carolina | 27609 | — |
| Pfizer Investigational Site | Cincinnati | Ohio | 45229 | — |
| Pfizer Investigational Site | Bristol | Tennessee | 37620 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00574548, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Jul 21, 2011 · Synced Apr 22, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00574548 live on ClinicalTrials.gov.