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A Phase 2b, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group Study to Evaluate the Safety, Tolerability, and Efficacy of S-337395 in Symptomatic Nonhospitalized Adults With Respiratory Syncytial Virus Who Are at High Risk of Progression to Severe Disease

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Trial Profile

A Phase 2b, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group Study to Evaluate the Safety, Tolerability, and Efficacy of S-337395 in Symptomatic Nonhospitalized Adults With Respiratory Syncytial Virus Who Are at High Risk of Progression to Severe Disease

Status: Recruiting
Phase of Trial: Phase II

Latest Information Update: 13 Aug 2026

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At a glance

  • Drugs S-337395 (Primary)
  • Indications Respiratory syncytial virus infections
  • Focus Pharmacodynamics; Pharmacokinetics; Therapeutic Use
  • Sponsors Shionogi

Most Recent Events

  • 17 Dec 2025 Status changed from not yet recruiting to recruiting.
  • 09 Oct 2025 Status changed from not stated to not yet recruiting.
  • 06 Feb 2025 New trial record

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