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
Massachusetts
Boston
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