Can a simple air cleaner ease COPD symptoms?
NCT ID NCT06376994
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether placing two high-efficiency air cleaners in the homes of 770 people with COPD can reduce flare-ups and improve quality of life over a year. Participants receive either active cleaners that remove particles and gases, or sham cleaners that look and sound the same but don't filter. The goal is to see if cleaner indoor air helps manage this chronic lung disease.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
HEPA and activated carbon air cleaners
What this could lead to
If it works, this could show that improving indoor air quality reduces COPD symptoms and flare-ups, offering a simple, non-drug way to manage the disease.
What could go wrong
This is a large phase 3 trial, but air cleaners may not significantly affect COPD outcomes if outdoor exposure or other triggers dominate. The sham devices mimic real ones, so blinding is good, but the benefit may be modest.
Disclaimer
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the original study
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Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Study contacts
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Contact
Phone: •••-•••-•••• Email: •••••@•••••
Locations
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Beth Israel Deaconess Medical Center
NOT_YET_RECRUITINGBoston, Massachusetts, 02215, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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Cleveland Clinic
NOT_YET_RECRUITINGCleveland, Ohio, 44195, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Dartmouth Hitchcock
NOT_YET_RECRUITINGLebanon, New Hampshire, 03756, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Johns Hopkins
RECRUITINGBaltimore, Maryland, 21224, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Reading Hospital
RECRUITINGWest Reading, Pennsylvania, 19611, United States
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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Tidal Health
RECRUITINGSalisbury, Maryland, 21801, United States
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of Alabama, Lung Health Center
RECRUITINGBirmingham, Alabama, 35233, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of California, Los Angeles
RECRUITINGLos Angeles, California, 90095, United States
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of Iowa
RECRUITINGIowa City, Iowa, 52242, United States
Contact
Contact Phone: •••-•••-•••• Email: •••••@•••••
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University of Maryland
RECRUITINGBaltimore, Maryland, 21201, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact
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University of Michigan
RECRUITINGAnn Arbor, Michigan, 48109, United States
Contact Phone: •••-•••-•••• Email: •••••@•••••
Contact