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Safety, Tolerability, and Immunogenicity of VAX-31 in Adults ≥50 Years With Immunobridging to Adults 18-49

Vaxcyte, Inc. · 2025
ClinicalTrials.gov · Datasets · License: Public Domain · 2025
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pneumococcal-diseasepneumonia
The primary objectives of this study are to evaluate the safety, tolerability, immunologic noninferiority (for shared serotypes) and immunologic superiority (for novel serotypes) of VAX-31 compared to PCV21 and PCV20 in adults ≥50 years of age, and to bridge the immune responses induced by VAX-31 in adults 50-64 years of age to adults 18-49 years of age.
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