Trial Profile

A Phase 3, Randomized, Double-Blind, Active-Controlled Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 in Healthy Subjects 50 Years of Age and Older With Prior Pneumococcal Vaccination

Status: Recruiting

Phase of Trial: Phase III

Latest Information Update: 20 Mar 2026

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At a glance

18 Mar 2026 According to a Vaxcyte media release, VAX-31 high dose has been advanced into Comprehensive Phase 3 Adult Program on the basis of positive results from Phase 1/2 Study in Adults Aged 50 and Older.
17 Feb 2026 New trial record
11 Feb 2026 According to an Vaxcyte media release, first participants has been dosed.

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