Clinical trial
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
NCT00546572 is registered in ClinicalTrials.gov with Wyeth is now a wholly owned subsidiary of Pfizer as lead sponsor.
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Registry record
As filed in ClinicalTrials.gov.
- 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
- Lead sponsor
- Wyeth is now a wholly owned subsidiary of Pfizer
- Phase
- Phase 3
- Overall status
- Completed
- Start date
- November 30, 2007
- Completion date
- July 31, 2010
- Enrollment
- 938 (actual)
- Sites
- 58
Conditions
As the registry lists them; a condition with its own page is linked.