New combo shot study: could VAX-31 plus flu vaccine be a Game-Changer for seniors?

NCT ID NCT07365826

Ongoing Prevention Sponsor: Vaxcyte, Inc. Source: ClinicalTrials.gov ↗

First seen Jun 27, 2026 · Last updated Jul 01, 2026 · Updated 2 times

Summary

This study tests a new vaccine called VAX-31, which protects against 31 types of pneumonia-causing bacteria. It is given together with the seasonal flu shot to healthy adults aged 50 and older. The goal is to see if giving both vaccines at the same time is safe and works as well as getting them separately. About 1,390 participants will be followed for 7 months.

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Conditions

The condition(s) this trial relates to.

pneumonia pneumococcal infection prevention target

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

PNEUMOCOCCAL VACCINES

Contacts and locations

Locations

AMR Knxoville

Knoxville, Tennessee, 37909, United States
AMR Lexington

Lexington, Kentucky, 40509, United States
Accel Research Sites - Lakeland

Lakeland, Florida, 33803, United States
Accel Research Sites - Largo

Largo, Florida, 33777, United States
CTI Clinical Research Center

Cincinnati, Ohio, 45212, United States
CenExel JBR Clinical Research

Salt Lake City, Utah, 84107, United States
CenExel Research Centers of America

Hollywood, Florida, 33024, United States
Charlottesville Medical Research Center

Charlottesville, Virginia, 22911, United States
Clinical Research Partners, LLC.

Richmond, Virginia, 23226, United States
Coastal Carolina Research Center

North Charleston, South Carolina, 29405, United States
DM Clinical Research - Detroit

Detroit, Michigan, 48076, United States
DelRicht Research - Hendersonville

Hendersonville, Tennessee, 37075, United States
Epic Medical Research

DeSoto, Texas, 75115, United States
Health Awareness

Jupiter, Florida, 33458, United States
Health Research of Hampton Roads, Inc.

Newport News, Virginia, 23606, United States
Hope Research Institute

Phoenix, Arizona, 85032, United States
Johnson County ClinTrials

Lenexa, Kansas, 66219, United States
Precision Clinical Research

Sunrise, Florida, 33351, United States
REX Clinical Trials

Beaumont, Texas, 77701, United States
Rochester Clinical Research

Rochester, New York, 14609, United States
Tekton Research at Austin

Austin, Texas, 78745, United States
Tekton Research at Fort Collins

Fort Collins, Colorado, 80525, United States
University Clinical Research - Deland

DeLand, Florida, 32720-0834, United States
Velocity Omaha

Omaha, Nebraska, 68134, United States
Velocity Valparaiso

Valparaiso, Indiana, 46383, United States

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