Testing CC-42344 for treating influenza in healthy adults

Randomised, Phase 2a, Double-blind, Placebo-controlled Study to Evaluate the Antiviral Activity Against Influenza Infection, Safety, Tolerability, and Pharmacokinetics of CC-42344 Via a Human Viral Challenge Model in Healthy Participants

Phase 2 Interventional Cocrystal Pharma, Inc. · NCT06160531

This study is testing a new drug called CC-42344 to see if it can help healthy adults fight off the flu after being exposed to the virus.

Quick facts

PhasePhase 2
Study typeInterventional
Enrollment96 (estimated)
Ages18 Years to 55 Years
SexAll
SponsorCocrystal Pharma, Inc. Industry-sponsored
Locations1 site (London)
Trial IDNCT06160531 on ClinicalTrials.gov

What this trial studies

This study evaluates the antiviral effects of CC-42344 in healthy adults who will receive either the drug or a placebo after being exposed to an influenza virus. Participants will be monitored for viral load in nasal samples, side effects, and how the drug is processed in the body over a five-day period. The study is randomized, double-blind, and placebo-controlled to ensure unbiased results. The primary aim is to determine the efficacy of different doses of CC-42344 in combating influenza.

Who should consider this trial

Good fit: Ideal candidates are healthy adults aged 18-65 with a body weight of at least 50 kg and a BMI between 18 and 35.

Not a fit: Patients with significant medical conditions or recent respiratory infections may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could lead to a new antiviral treatment for influenza, improving patient outcomes during flu seasons.

How similar studies have performed: Previous studies using antiviral agents in viral challenge models have shown promise, suggesting potential for success in this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Healthy adults
* Body weight ≥50 kg
* Body mass index ≥18 kg/m2 and ≤35 kg/m2
* Serology results consistent with susceptibility to challenge virus infection

Exclusion Criteria:

* History of or current significant medical condition
* Upper or lower respiratory tract infection within 4 weeks
* Vaccination within 4 weeks

Where this trial is running

London

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.
Conditions Influenza ATolerabilityAntiviralViral challenge model
Last reviewed 2026-06-13 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.