EichorEICHOR
Study identifier: NCT07365826 Synced from ClinicalTrials.gov · August 07, 2026
● Study status: Active Not Recruiting

A Clinical Study to Evaluate the Safety, Tolerability, and Immunogenicity of VAX-31 With Influenza Vaccine in Adults ≥ 50 Years of Age

Condition: Pneumococcal Vaccines  ·  Sponsor: Vaxcyte, Inc.

PhasePhase 3
Planned participants1390
Who can joinAll sexes, 50 Years to no upper limit
Healthy volunteersYes

About this study

This is a Phase 3, randomized, double-blind study to evaluate the safety and immunogenicity of VAX-31 and seasonal influenza vaccine in pneumococcal-naïve adults ≥ 50 years when the two vaccines are administered at the same visit or separately.

This description comes directly from the study's public registry record.

Talk to the study team

No contact information is available for this study as per the public registry record.

Always discuss trial participation with your own doctor first.

Locations (25)

Hope Research InstitutePhoenix, Arizona, United States
Tekton Research at Fort CollinsFort Collins, Colorado, United States
University Clinical Research - DelandDeLand, Florida, United States
CenExel Research Centers of AmericaHollywood, Florida, United States
Health AwarenessJupiter, Florida, United States
Accel Research Sites - LakelandLakeland, Florida, United States
Accel Research Sites - LargoLargo, Florida, United States
Precision Clinical ResearchSunrise, Florida, United States
Velocity ValparaisoValparaiso, Indiana, United States
Johnson County ClinTrialsLenexa, Kansas, United States
AMR LexingtonLexington, Kentucky, United States
DM Clinical Research - DetroitDetroit, Michigan, United States

+ 13 more locations — full list on the registry record.

Follow this study

Get one email when the public record changes — results posted, or the study's status changes. Nothing else, ever.

We email about this public record only. Unsubscribe anytime with one click. Never medical advice. By subscribing you agree to our Terms of Use and Privacy Policy.

Is this your study? This page was generated automatically from the public registry record. Sponsors can claim it — free — to add branding and verified contact routing. Claim this page →