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A Study to Learn About Revaccination With a Vaccine Called RSVpreF in Immunocompromised Adults

NCT07768345

This study is recruiting at 13 US sites in 9 states, according to its ClinicalTrials.gov record last updated .

Summary

The purpose of this phase 3 study is to learn the safety, tolerability and immunogenicity of revaccination with RSVpreF at approximately 1-, 2-, and 3-year intervals to inform the revaccination interval in immunocompromised adults. This study is seeking participants who are 18 years of age and older and will be grouped based on prior RSV vaccination history. Participants are required to be immunocompromised per study protocol. All participants in this study will receive 1 shot to their arm of a RSVPreF vaccine.

Shortened from the sponsor's brief summary. View official record on ClinicalTrials.gov

Conditions studied

  • Respiratory Syncytial Virus (RSV)

Eligibility basics and study details

Study type
Interventional
Phase
Phase 3
Ages
18 years and older
Sex
All
Healthy volunteers
Not accepted
Sponsor
Pfizer
Last updated on ClinicalTrials.gov
October 14, 2026

These are the basic criteria only. The full inclusion and exclusion criteria are on the official record, and the study team decides who can take part.

US recruiting sites

California · 3

  • Kaiser Foundation Hospital LAMC · Los Angeles, CA
  • Kaiser Permanente · Los Angeles, CA
  • Kaiser Permanente Los Angeles Medical center · Los Angeles, CA

District of Columbia · 1

  • George Washington University · Washington D.C., DC

Georgia · 1

  • The Hope Clinic of Emory University · Decatur, GA

Iowa · 2

  • University of Iowa · Iowa City, IA
  • University of Iowa, Infectious Disease Research Laboratory, VA Medical Center · Iowa City, IA

Maryland · 1

  • University of Maryland, Institute of Human Virology · Baltimore, MD

Missouri · 1

  • Washington University School of Medicine · St Louis, MO

New York · 2

  • NYU Langone Health Vaccine Center · New York, NY
  • Rochester Clinical Research · Rochester, NY

Pennsylvania · 1

  • Altoona Center for Clinical Research · Duncansville, PA

Texas · 1

  • Epic Medical Research-Desoto · DeSoto, TX

Source: ClinicalTrials.gov, data processed . Recruiting US sites filtered by distance and site status; summaries shortened.