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Study details
Enrolling now

Effect of Ensifentrine on Sputum Markers of Inflammation in COPD

Verona Pharma plc
NCT IDNCT05270525ClinicalTrials.gov data as of Apr 2026
Phase

Phase 2

Target enrollment

50

Study length

about 5.1 years

Ages

40–80

Locations

3 sites in AL, MI, PA

About this study

This trial is testing whether ensifentrine, a medication, helps reduce inflammation markers in the sputum of people with COPD. Participants will receive either ensifentrine or a placebo for two periods of 8 weeks each. It lasts up to 24 weeks.

Based on ClinicalTrials.gov records.

What participants do

  • 1.Take Ensifentrine
  • 2.Take Placebo
PhasePhase 2
DrugEnsifentrine
Primary goalThe change from baseline in sputum neutrophils at Week 8 (absolute change in cell numbers)

Participation effort

Estimated from trial records. Details can vary by site.

Time + visits
Low9%
Logistics
Moderate50%

Logistics difficulty varies by site location and availability.

Trial highlights

Treatment details

Auto-extracted from trial records to preview treatments and outcomes.

Drug classes

Respiratory System Agent (Phosphodiesterase 3 Inhibitors)

Endpoints

Primary: The change from baseline in sputum neutrophils at Week 8 (absolute change in cell numbers)

Secondary: The change from baseline in FEV1 after 4 weeks, The change from baseline in FEV1 after 8 weeks (post-dose), The change from baseline in FRC after 4 weeks, The change from baseline in FRC after 8 weeks (post-dose)., The change from baseline in FVC after 4 weeks, The change from baseline in FVC after 8 weeks (post-dose), The change from baseline in RV after 4 weeks, The change from baseline in RV after 8 weeks (post-dose)

Body systems

Respiratory