The pivotal PNEU-AGE (V114-019) study in healthy adults 50 years of age or older demonstrated that V114 is non-inferior to the currently available 13-valent pneumococcal conjugate vaccine (PCV13) for the 13 serotypes targeted by both vaccines and superior for serotypes 22F and 33F, the two serotypes targeted by V114 but not PCV13. These results are based on opsonophagocytic activity (OPA) responses - a measure of vaccine-induced functional antibodies. The PNEU-AGE study also met the key secondary immunogenicity objective, demonstrating superiority of V114 compared to PCV13 for serotype 3, a leading cause of invasive pneumococcal disease globally. In another Phase 3 study, PNEU-TRUE (V114-020), in healthy adults 50 years of age or older, V114 met its primary immunogenicity objective demonstrating equivalent immune response across all 15 serotypes for three different lots of V114. In both studies, V114 was generally well tolerated, with a safety profile comparable to PCV13 and consistent with that observed for V114 in previously reported studies. These findings, and additional Phase 3 data from
'Diseases caused by serotypes not covered by the currently available pneumococcal conjugate vaccine are increasing worldwide and can vary by country or region. Additionally, we continue to see pneumococcal disease caused by serotypes included in the existing pneumococcal vaccines,' said Dr.
There are more than 90 different types of pneumococcal bacteria, which can affect adults differently than children. Pneumococcal serotypes not in the currently licensed conjugate vaccine, such as 22F and 33F, are commonly associated with invasive pneumococcal disease worldwide. Serotypes 22F and 33F currently cause 13 percent of the invasive pneumococcal disease seen among adults aged 65 and older in the
The V114 Phase 3 clinical development program is comprised of 16 trials investigating the safety, tolerability and immunogenicity of V114 in a variety of populations who are at increased risk for pneumococcal disease including healthy older adults and children, as well as people who are immunocompromised or have certain chronic medical conditions. An overview of the late-stage development program is available here.
About PNEU-AGE
PNEU-AGE is a Phase 3, multi-center, randomized, double-blind, active comparator-controlled study evaluating the safety, tolerability, and immunogenicity of V114 in healthy adults 50 years of age or older (n=1,205). The study met its immunogenicity and safety objectives. Immune responses were measured at baseline and 30 days post-vaccination, and immunogenicity comparisons were assessed based on study-defined criteria. Results of the primary immunogenicity analyses demonstrated:
Non-inferiority of V114 to the currently available 13-valent pneumococcal conjugate vaccine (PCV13) for the 13 shared serotypes and superiority to PCV13 for serotypes 22F and 33F, the two serotypes unique to V114, as assessed by the serotype-specific opsonophagocytic activity (OPA) Geometric Mean Titers (GMTs).
Superiority of V114 compared to PCV13 for the two unique serotypes in V114 as assessed by the proportion of participants with a 4-fold rise in serotype-specific OPA responses (from pre-vaccination to 30 days post-vaccination).
Results of the key secondary immunogenicity analyses demonstrated:
Superiority of V114 compared to PCV13 for serotype 3 as assessed by the OPA GMTs and the proportions of participants with a 4-fold rise in OPA responses.
Results of the safety analyses demonstrated that V114 was generally well tolerated with a safety profile comparable to PCV13 and consistent with that observed in previously reported studies.
About PNEU-TRUE
PNEU-TRUE is a Phase 3, multi-center, randomized, double-blind, active comparator-controlled, lot-to-lot consistency study evaluating the safety, tolerability, and immunogenicity of V114 in healthy adults 50 years of age or older (n=2,340). In the study, V114 met all primary immunogenicity objectives, demonstrating equivalent immune response as assessed by serotype specific OPA GMTs for all 15 serotypes in V114 across three different manufactured lots of V114 at 30 days post-vaccination. Results of the safety analyses demonstrated that all three lots of V114 were generally well tolerated with a safety profile comparable to PCV13 and consistent with that observed in previously reported studies.
About V114
V114 is
About Pneumococcal Disease
The global prevalence of pneumococcal disease, an infection caused by bacteria called Streptococcus pneumoniae, is evolving. Highly aggressive strains, or serotypes, threaten to put more people at risk for non-invasive pneumococcal illnesses such as pneumococcal pneumonia (when it is confined to the lungs), sinusitis, and otitis media (middle ear infection), and invasive pneumococcal illnesses such as pneumococcal bacteremia (infection in the bloodstream), bacteremic pneumonia (pneumonia with bacteremia) and pneumococcal meningitis (infection of the coverings of the brain and spinal cord). While healthy adults and children can suffer from pneumococcal disease, patient populations particularly vulnerable to infection include children under the age of 2, older adults such as those 65 years of age and older, and people with immunosuppressive or certain chronic health conditions.
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