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RecruitingRespiratory Syncytial Virus Infections

A Study of S-337395 in Symptomatic Nonhospitalized Adults With Respiratory Syncytial Virus (RSV) Who Are at High Risk of Progression to Severe Disease

Eligible age

18+ yrs

Accepts

All genders

Locations

13 states

Healthy volunteers

No

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About this study

The main purpose of this study is to investigate the antiviral effect of S-337395 compared with placebo among nonhospitalized adult participants with high-risk factors for progression to severe RSV infection starting intervention within 72 hours of RSV symptom onset.

Sponsor: Shionogi

Where it's recruiting

California

Los Angeles · Modesto · Toluca Lake

Florida

Coral Gables · Cutler Bay · Hialeah · Miami

Georgia

East Point

Missouri

Kansas City

New York

The Bronx

North Carolina

Winston-Salem

Ohio

Cleveland

Oklahoma

Chickasha

Rhode Island

Providence

Texas

DeSoto · McAllen · Mesquite

Virginia

Richmond

Source: ClinicalTrials.gov · NCT07214571 · last updated 2026-08-11