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Safety and Immunogenicity of V116 in Vaccine-naïve Japanese Older Adults (V116-009, STRIDE-9)

Pneumococcal Disease Clinical Trial

Official title:
A Phase 3, Randomized, Double-blind, Active Comparator-controlled Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of V116 in Pneumococcal Vaccine-naïve Japanese Adults 65 Years of Age or Older

Clinical Trial Summary

This is a phase 3, randomized, double-blind, active comparator-controlled study of the safety, tolerability, and immunogenicity of V116 in pneumococcal vaccine-naïve Japanese adults 65 years of age and older. The polyvalent (23-valent) pneumococcal vaccine, PPSV23, is the active comparator. In addition to studying safety/tolerability, it is hypothesized that, at 30 days postvaccination, the immunogenicity of V116 is noninferior to PPSV23 for the 12 common serotypes in V116 and PPSV23 and the cross-reactive serotype 15B in V116, and that the immunogenicity of V116 is superior to PPSV23 for the unique serotype 15C in V116. It is also hypothesized that V116 is superior to PPSV23 in the percentage of participants with ≥4-fold rise from baseline in the 8 unique V116 serotypes (except for 15C), as measured by serotype-specific opsonophagocytic activity (OPA) geometric mean titers (GMTs).

Clinical Trial Description

n/a

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT05633992
Study type Interventional
Source Merck Sharp & Dohme LLC
Contact
Status Completed
Phase Phase 3
Start date January 10, 2023
Completion date May 24, 2023
View Details
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