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A Randomized, Double-Blind, Two-Part, Placebo-Controlled, Multicenter, Phase 2a Study to Evaluate Safety, Tolerability, and Efficacy of INNA-051 as Prophylaxis for Respiratory Tract Illness in Healthy Adults 18 to 45 Years of Age Who Are at Risk for Viral Respiratory Infections

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Trial Profile

A Randomized, Double-Blind, Two-Part, Placebo-Controlled, Multicenter, Phase 2a Study to Evaluate Safety, Tolerability, and Efficacy of INNA-051 as Prophylaxis for Respiratory Tract Illness in Healthy Adults 18 to 45 Years of Age Who Are at Risk for Viral Respiratory Infections

Status: Recruiting
Phase of Trial: Phase II

Latest Information Update: 13 Feb 2026

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At a glance

  • Drugs INNA-051 (Primary)
  • Indications Influenza virus infections
  • Focus Adverse reactions; Pharmacokinetics; Therapeutic Use
  • Acronyms POSITS
  • Sponsors Ena Respiratory

Most Recent Events

  • 29 Jan 2026 According to an Ena Respiratory media release, the company has dosed the first participants in its Phase II community study of INNA-051, (with the first participant dosing now completed).
  • 15 Dec 2025 Planned End Date changed from 19 Jun 2026 to 9 Feb 2027.
  • 15 Dec 2025 Planned primary completion date changed from 19 Jun 2026 to 9 Feb 2027.

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