Multi-Center Clean Air Randomized Controlled Trial in COPD (NCT06376994) | Clinical Trial Compass
RecruitingPhase 3
Multi-Center Clean Air Randomized Controlled Trial in COPD
United States770 participantsStarted 2024-05-24
Plain-language summary
This is a multi-center randomized, sham-controlled clinical trial to determine the effectiveness of an air cleaner intervention aimed at improving indoor air quality on reducing COPD exacerbation risk and improving quality of life, functional status, rescue medication use.
Who can participate
Age range40 Years
SexALL
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AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion criteria
✓. Age ≥ 40 years.
✓. Self-report of physician diagnosis of COPD.
✓. Spirometry confirmed airway obstruction (post-bronchodilator spirometry of forced expiratory volume in 1 second (FEV1)/forced vital capacity (FVC) \< 0.7) as defined by the Global Initiative for Obstructive Lung Disease (GOLD) criteria (6, 11)
✓. Tobacco exposure ≥ 10 pack-years. This refers to regular cigarette tobacco consumption.
✓. Self-reported former smoker of at least 6 months' duration. This does not include e-cigarette use.
✓. COPD Assessment Test (CAT) score ≥ 10, Modified Medical Research Council dyspnea scale (mMRC) ≥ 2, or history of moderate or severe exacerbation in the past 12 months (as defined by history of receiving a course of systemic corticosteroids or antibiotics for respiratory problems; or visiting an emergency department or being hospitalized for a COPD exacerbation within the past 12 months.)
Exclusion criteria
✕. Living in a location other than home (e.g., long-term care facility, nursing home)
✕. Other chronic lung diseases, except asthma
✕. Condition with less than a year of life expectancy (e.g., metastatic cancer) or in hospice
✕. Spends \>2 months per year in location other than home; or plans to change residence in the next 12 months
✕. Pregnant or breastfeeding
What they're measuring
1
St. George's Respiratory Questionnaire (SGRQ)
Timeframe: baseline and 3, 6, 9, and 12 months after baseline
✕. Current air cleaner use in the home (\*If the individual is willing to discontinue use of the personal air cleaner, this person can be eligible if all other eligibility has been met)
✕. Inability to bring air cleaners (about 15 pounds each) into home, either by self, friend, or relative
✕. Deemed by the study investigator to be unable to complete study protocol, including likely lack of internet connectivity