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Study details
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Multi-Center Clean Air Randomized Controlled Trial in COPD

JHSPH Center for Clinical Trials
NCT IDNCT06376994ClinicalTrials.gov data as of Apr 2026
Phase

Phase 3

Target enrollment

770

Study length

about 5.5 years

Ages

40+

Locations

11 sites in AL, CA, IA +6

What this study is about

This trial is testing a clean air intervention to see if it reduces the risk of COPD exacerbations and improves quality of life. Participants will be randomly assigned to use either a real or sham air cleaner for 2016 days.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Use Air cleaner
  • 2.Use Sham air cleaner

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Standard

How treatment is administered

Treatment Assignment
Randomized & Blinded

You may get a placebo/standard care, and you won't know which.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Body systems

Respiratory