← Eichor
Study identifier: NCT07543380 Synced from ClinicalTrials.gov · July 28, 2026
● Recruiting

A Study to Learn Safety and Immune Response to Study Vaccine -RSVpreF in Adults at High Risk of Severe RSV Disease.

Condition: Respiratory Syncytial Virus (RSV)  ·  Sponsor: Pfizer

PhasePhase 3
Planned participants130
Who can joinAll sexes, 18 Years to 59 Years
Healthy volunteersNo

About this study

The purpose of the study is to learn about the immune response after a RSVpreF vaccination. This study is being conducted in Japan. RSV is a common virus that can cause infections of the lungs and airways. The study is seeking participants who are: * 18 to 59 years of age * adults with health condition(s) that can put them at an increased risk of severe RSV disease It will also learn about the safety of RSVpreF vaccination. The study lasts about 2 months. Adults need to visit the research site at least 2 times. The participant will receive a phone call 2 months after vaccination for health checks.

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

Talk to the study team

Pfizer CT.gov Call Center  ·  1-800-718-1021  ·  ClinicalTrials.gov_Inquiries@pfizer.com

Always discuss trial participation with your own doctor first.

Locations (5)

Tsuchiura Beryl ClinicTsuchiura, Ibaraki, JapanRecruiting
Nihonbashi Sakura ClinicChuo-ku, Tokyo, JapanRecruiting
Tokyo-Eki Center-building ClinicChuo-ku, Tokyo, JapanRecruiting
Fukuwa ClinicChuo-ku, Tokyo, JapanRecruiting
Tenjin Sogo ClinicFukuoka, JapanRecruiting

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.

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 →

This page is independently generated by Eichor from the public ClinicalTrials.gov record and re-synced daily. It is not the sponsor's official website unless claimed. Nothing here is medical advice; eligibility is always determined by the study team — talk to your own doctor first.

Source record: clinicaltrials.gov/study/NCT07543380