Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 9:33 AM EDT

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Showing 1–5 of 5 matching trials from the live ClinicalTrials.gov search.
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Conditions
Asthma
Interventions
High Efficiency Particulate Air Cleaner, Sham air cleaner
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 50 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
2
States / cities
Baltimore, Maryland
Conditions
Asthma Attack, Lung Function, Airway Inflammation
Interventions
Austin Air Cleaner
Device
Lead sponsor
Columbia University
Other
Eligibility
7 Years to 18 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
New York, New York
Conditions
Chronic Obstructive Pulmonary Disease (COPD)
Interventions
Air cleaner, Sham air cleaner
Device
Lead sponsor
JHSPH Center for Clinical Trials
Other
Eligibility
40 Years and older
Enrollment
770 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2029
U.S. locations
11
States / cities
Birmingham, Alabama • Los Angeles, California • Iowa City, Iowa + 7 more
Conditions
PreDiabetes
Interventions
PAC with HEPA filter intact, PAC with HEPA filter removed
Device
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 85 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
New York, New York
Conditions
Asthma in Children
Interventions
Comparator 1 (tailored approach), Comparator 2 (insecticidal bait)
Behavioral
Lead sponsor
Tulane University
Other
Eligibility
5 Years to 17 Years
Enrollment
290 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
1
States / cities
New Orleans, Louisiana