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A Phase 3, Randomized, Double-blind, Active Comparator-controlled Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of V116 in Pneumococcal Vaccine-naïve Adults 50 Years of Age or Older
This is a phase 3, randomized, double-blind, active comparator-controlled study of the safety, tolerability, and immunogenicity of V116 in pneumococcal vaccine-naïve adults 50 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 that V116 is superior to PPSV23 for the 9 serotypes unique to V116. It is also hypothesized that V116 is superior to PPSV23 in the percentage of participants with ≥4-fold rise from baseline in unique V116 serotypes, as measured by serotype-specific opsonophagocytic activity (OPA) geometric mean titers (GMTs).
Selected participants may be eligible for optional immunogenicity or PBMC substudies extension that will investigate the exploratory objectives.
Age
50 - No limit years
Sex
ALL
Healthy Volunteers
Yes
Fundacion Estudios Clinicos ( Site 0200)
Rosario, Santa Fe Province, Argentina
Paratus Clinical Research Western Sydney ( Site 1500)
Blacktown, New South Wales, Australia
Northern Beaches Clinical Research ( Site 1502)
Brookvale, New South Wales, Australia
Paratus Clinical Research Brisbane ( Site 1501)
Albion, Queensland, Australia
IPS Centro Científico Asistencial S.A.S ( Site 0407)
Barranquilla, Atlántico, Colombia
Fundacion Valle del Lili- CIC ( Site 0415)
Cali, Valle del Cauca Department, Colombia
klinikum rechts der isar der technischen universität münchen ( Site 0904)
München, Bavaria, Germany
InfektioResearch ( Site 0903)
Frankfurt am Main, Hesse, Germany
Universitaetsklinikum Koeln ( Site 0900)
Cologne, North Rhine-Westphalia, Germany
Medizentrum Essen Borbeck ( Site 0902)
Essen, North Rhine-Westphalia, Germany
Start Date
November 7, 2022
Primary Completion Date
October 30, 2023
Completion Date
February 7, 2025
Last Updated
March 2, 2026
1,484
ACTUAL participants
V116
BIOLOGICAL
PPSV23
BIOLOGICAL
Lead Sponsor
Merck Sharp & Dohme LLC
NCT06731374
NCT06044077
Data Source & Attribution
This clinical trial information is sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.
Modifications: This data has been reformatted for display purposes. Eligibility criteria have been parsed into inclusion/exclusion sections. Location data has been geocoded to enable distance-based search. For the authoritative and most current information, please visit ClinicalTrials.gov.
Neither the United States Government nor Clareo Health make any warranties regarding the data. Check ClinicalTrials.gov frequently for updates.
View ClinicalTrials.gov Terms and ConditionsNCT06790290