Trial to Evaluate the Safety and Immunogenicity of a 20-Valent Pneumococcal Vaccine in Adults 65 Years of Age or Older With Prior Pneumococcal Vaccination
Clinical trial NCT03835975 · COMPLETED
Trial details
- NCT number
- NCT03835975
- Sponsor
- Pfizer
- Status
- COMPLETED
- Phase
- Phase 3
- Study type
- INTERVENTIONAL
- Start date
- 2019-02-12
- Primary completion
- 2020-02-12
- Enrollment
- 875
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