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A Phase 3, Randomized, Double-Blind, Placebo-Controlled Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 Concomitantly Administered With Seasonal Influenza Vaccine in Healthy Subjects 50 Years of Age and Older

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Trial Profile

A Phase 3, Randomized, Double-Blind, Placebo-Controlled Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 Concomitantly Administered With Seasonal Influenza Vaccine in Healthy Subjects 50 Years of Age and Older

Status: Recruiting
Phase of Trial: Phase III

Latest Information Update: 03 Feb 2026

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At a glance

  • Drugs Influenza virus RIV3 vaccine-(FluBlok) (Primary) ; VAX 31 (Primary)
  • Indications Pneumococcal infections
  • Focus Adverse reactions; Pharmacodynamics; Registrational
  • Sponsors Vaxcyte

Most Recent Events

  • 03 Feb 2026 New trial record

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