Study Evaluating The Safety, Tolerability And Immunogenicity Of A 13-Valent Pneumococcal Conjugate Vaccine (13vPnC)
Public ClinicalTrials.gov record NCT00546572. 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, Evaluating The Safety, Tolerability And Immunogenicity Of A 13-Valent Pneumococcal Conjugate Vaccine (13vPnC) Compared To A 23-Valent Pneumococcal Polysaccharide (23vPS) Vaccine in Ambulatory Elderly Individuals Aged 70 Years And Older Who Received One Dose of 23vPS At Least 5 Years Prior To Study Enrollment
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
This study will evaluate the safety, tolerability and immunogenicity of study vaccines 13vPnC and 23vPS in older, healthy subjects who have previously received a dose of 23vPS at least 5 years ago. It will also evaluate the safety, tolerability and immunogenicity to a dose of 13vPnC 1 year after the initial dose of study vaccine.
Study identification
- NCT ID
- NCT00546572
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 3
- Enrollment
- 938 participants
Conditions and interventions
Conditions
Eligibility (public fields only)
- Age range
- 70 Years and older
- Sex
- All
- Healthy volunteers
- Accepts healthy volunteers
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Nov 2007 (Type not available)
- Primary completion
- Jul 2010 (Actual)
- Completion
- Jul 2010 (Actual)
- Last update posted
- Jul 14, 2011
2007 – 2010
United States locations
- U.S. sites
- 51
- U.S. states
- 25
- U.S. cities
- 46
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Pfizer Investigational Site | Mobile | Alabama | 36608 | — |
| Pfizer Investigational Site | Mesa | Arizona | 85203 | — |
| Pfizer Investigational Site | Mesa | Arizona | 85213 | — |
| Pfizer Investigational Site | Fountain Valley | California | 92708 | — |
| Pfizer Investigational Site | Denver | Colorado | 80262 | — |
| Pfizer Investigational Site | Waterbury | Connecticut | 06708 | — |
| Pfizer Investigational Site | Clearwater | Florida | 33761 | — |
| Pfizer Investigational Site | Coral Gables | Florida | 33134 | — |
| Pfizer Investigational Site | Jacksonville | Florida | 32216 | — |
| Pfizer Investigational Site | Pinellas Park | Florida | 33781 | — |
| Pfizer Investigational Site | Tampa | Florida | 33614 | — |
| Pfizer Investigational Site | Atlanta | Georgia | 30305 | — |
| Pfizer Investigational Site | Atlanta | Georgia | 30328 | — |
| Pfizer Investigational Site | Stockbridge | Georgia | 30328 | — |
| Pfizer Investigational Site | Shawnee Mission | Kansas | 66128 | — |
| Pfizer Investigational Site | Lexington | Kentucky | 40536 | — |
| Pfizer Investigational Site | Baltimore | Maryland | 21209 | — |
| Pfizer Investigational Site | Minneapolis | Minnesota | 55417 | — |
| Pfizer Investigational Site | Rochester | Minnesota | 55905 | — |
| Pfizer Investigational Site | St Louis | Missouri | 63104 | — |
| Pfizer Investigational Site | St Louis | Missouri | 63141 | — |
| Pfizer Investigational Site | Butte | Montana | 59701 | — |
| Pfizer Investigational Site | Las Vegas | Nevada | 89146 | — |
| Pfizer Investigational Site | Rochester | New York | 14642 | — |
| Pfizer Investigational Site | Cary | North Carolina | 27511 | — |
| Pfizer Investigational Site | Charlotte | North Carolina | 28209 | — |
| Pfizer Investigational Site | Durham | North Carolina | 27705 | — |
| Pfizer Investigational Site | Durham | North Carolina | 27710 | — |
| Pfizer Investigational Site | Hickory | North Carolina | 28601 | — |
| Pfizer Investigational Site | Raleigh | North Carolina | 27612 | — |
| Pfizer Investigational Site | Salisbury | North Carolina | 28144 | — |
| Pfizer Investigational Site | Winston-Salem | North Carolina | 27103 | — |
| Pfizer Investigational Site | Fargo | North Dakota | 58103 | — |
| Pfizer Investigational Site | Cincinnati | Ohio | 45229 | — |
| Pfizer Investigational Site | Cincinnati | Ohio | 45236 | — |
| Pfizer Investigational Site | Cleveland | Ohio | 44195 | — |
| Pfizer Investigational Site | Corvallis | Oregon | 97330 | — |
| Pfizer Investigational Site | Eugene | Oregon | 97401 | — |
| Pfizer Investigational Site | Carnegie | Pennsylvania | 15106 | — |
| Pfizer Investigational Site | Downington | Pennsylvania | 19335 | — |
| Pfizer Investigational Site | Grove City | Pennsylvania | 16127 | — |
| Pfizer Investigational Site | Penndel | Pennsylvania | 19047 | — |
| Pfizer Investigational Site | Pittsburgh | Pennsylvania | 15241 | — |
| Pfizer Investigational Site | Upper Saint Clair | Pennsylvania | 15241 | — |
| Pfizer Investigational Site | Greer | South Carolina | 29651 | — |
| Pfizer Investigational Site | Mt. Pleasant | South Carolina | 29464 | — |
| Pfizer Investigational Site | Bristol | Tennessee | 37620 | — |
| Pfizer Investigational Site | Nashville | Tennessee | 37232 | — |
| Pfizer Investigational Site | Austin | Texas | 78705 | — |
| Pfizer Investigational Site | Norfolk | Virginia | 23507 | — |
| Pfizer Investigational Site | Seattle | Washington | 998101 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
Non-U.S. locations
This page focuses on the U.S. directory. The official record also lists 7 non-U.S. sites.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00546572, 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 14, 2011 · Synced Oct 26, 2026
Related: full search, browse by condition, browse by drug or therapy, browse by sponsor, browse by U.S. city.
Open the official record
The complete public registry record, listed eligibility criteria, and available contact information for NCT00546572 live on ClinicalTrials.gov.