Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 2, 2026, 3:01 PM EDT

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Showing 1–23 of 23 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Asthma
Interventions
Active Air Purifier, Placebo Air Purifier
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
8 Years to 17 Years
Enrollment
198 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
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
Completed Not applicable Interventional Accepts healthy volunteers Results available

DRIIVE (Data and Research on Interventions to Improve the Vehicular Environment)

NCT02381626
Conditions
Vehicular Environment
Interventions
HEPA air purifier, questionnaires, Log-book, Urine sample
Device · Behavioral · Other
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
21 Years to 90 Years · Male only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
New York, New York
Completed Not applicable Interventional Accepts healthy volunteers Results available

Wood Stove Interventions and Child Respiratory Health

NCT02240134
Conditions
Lower Tract Respiratory Infection
Interventions
Education Intervention (Tx1), Air Filtration Unit Treatment (Tx2), Placebo Intervention (Tx3)
Behavioral · Device
Lead sponsor
University of Montana
Other
Eligibility
Up to 5 Years
Enrollment
523 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2020
U.S. locations
1
States / cities
Missoula, Montana
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
Not yet recruiting Phase 4 Interventional

The INTERvening for LUNG Health Trial

NCT07540000
Conditions
Spirometry
Interventions
Community health worker-delivered multi-component respiratory health intervention
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
9 Years and older
Enrollment
800 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Poor Asthma Control
Interventions
Breathe Easy at Home Kit Products
Other
Lead sponsor
Duke University
Other
Eligibility
5 Years to 16 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Durham, North Carolina
Completed Not applicable Interventional Accepts healthy volunteers Results available

Environmental Intervention to Reduce Allergens in Urban Schools and Childhood Asthma

NCT01913795
Conditions
Asthma
Interventions
integrated pest management, air purifier, Sham air purifier
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
4 Years to 15 Years
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2015
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Air Pollution, Atherosclerosis
Interventions
HEPA filtration, Sham filtration
Device
Lead sponsor
University of Southern California
Other
Eligibility
65 Years to 84 Years
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Asthma, Pneumonia, Respiratory Distress Syndrome
Interventions
Photo Electrochemical Oxidation (PECO) for Air Purification
Device
Lead sponsor
Molekule
Industry
Eligibility
1 Year to 17 Years
Enrollment
274 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Rockford, Illinois
Completed Not applicable Interventional Results available

Cleaner Air for Better Cardiac Biomarkers

NCT05379400
Conditions
Cardiovascular Diseases
Interventions
Portable air cleaner (PAC), Sham Portable air cleaner (PAC)
Other
Lead sponsor
NYU Langone Health
Other
Eligibility
18 Years to 100 Years
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
New York, New York
Conditions
Asthma
Interventions
Flovent Diskus, Home Environmental Intervention, Advair Diskus
Drug · Other
Lead sponsor
Johns Hopkins University
Other
Eligibility
5 Years to 17 Years
Enrollment
155 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2018
U.S. locations
1
States / cities
Baltimore, Maryland
Conditions
Asthma in Children
Interventions
Home-Based Environmental Interventions (HEI)
Other
Lead sponsor
Duke University
Other
Eligibility
4 Years to 16 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Asthma Control, Pulmonary Function, Quality of Life, Stress, Sleep Quality
Interventions
Energy Recovery Ventilator, Portable Air Cleaner, Energy Recovery Ventilator (Sham), Portable Air Cleaner (Sham)
Device
Lead sponsor
The University of Texas at Arlington
Other
Eligibility
5 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
2
States / cities
Arlington, Texas • Plano, Texas
Conditions
Allergic, Inflammatory
Interventions
Environmental Exposures, Control Exposures
Other
Lead sponsor
National Institute of Allergy and Infectious Diseases (NIAID)
NIH
Eligibility
18 Years to 80 Years
Enrollment
120 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
1
States / cities
Bethesda, Maryland
Recruiting Not applicable Interventional Accepts healthy volunteers

The Sleep2BWell Trial

NCT06565104
Conditions
Blood Pressure, Sleep Health, Diet, Healthy, Physical Activity, Weight Loss
Interventions
Multidimensional Sleep Health Sessions, Healthy Diet Sessions, Physical Activity Sessions
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
20 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2027
U.S. locations
2
States / cities
New York, New York
Conditions
COPD, Eosinophilia
Interventions
Air purifier, Sham air purifier
Device
Lead sponsor
Beth Israel Deaconess Medical Center
Other
Eligibility
40 Years and older
Enrollment
178 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional Accepts healthy volunteers

HEPA, PM2.5, and Cardiometabolic Health

NCT05718245
Conditions
Air Pollution, Cardiometabolic Health
Interventions
HEPA filter, Sham filter
Device
Lead sponsor
University of Southern California
Other
Eligibility
65 Years to 84 Years
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
1
States / cities
Los Angeles, California
Completed Not applicable Interventional Accepts healthy volunteers Results available

Reducing Particulate Matter-associated Cardiovascular Health Effects for Seniors

NCT04103346
Conditions
Cardiometabolic Health
Interventions
air filtration with air purifier with hepa filter, sham
Other
Lead sponsor
University of Michigan
Other
Eligibility
60 Years and older
Enrollment
52 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Ann Arbor, Michigan
Terminated Not applicable Interventional Accepts healthy volunteers

Molekule for Allergic Rhinitis/Asthma

NCT03627689
Conditions
Asthma, Allergic Rhinitis, Allergic Conjunctivitis
Interventions
Active air purifier in respiratory allergies/asthma, Sham air purifier
Other
Lead sponsor
Molekule
Industry
Eligibility
18 Years to 65 Years
Enrollment
49 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
San Francisco, California
Conditions
Air Pollution, Indoor
Interventions
Air purifier
Device
Lead sponsor
Alaska Native Tribal Health Consortium
Other
Eligibility
Up to 5 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Bethel, Alaska
Completed Not applicable Interventional Accepts healthy volunteers Results available

School Inner-City Asthma Intervention Study (SICAS-2)

NCT02291302
Conditions
Asthma
Interventions
integrated pest management, air purifier, No intervention (control)
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
4 Years to 15 Years
Enrollment
236 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2020
U.S. locations
1
States / cities
Boston, Massachusetts
Recruiting Not applicable Interventional Accepts healthy volunteers

Housing, Environment, And Living Conditions for Transformed Health

NCT06925373
Conditions
Lung Diseases, Chronic Disease
Interventions
Indoor Air Purification, Neighborhood Improvements, Housing Improvements
Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years to 89 Years
Enrollment
460 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
1
States / cities
Birmingham, Alabama