Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 11, 2026, 5:24 PM EDT

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Showing 1–12 of 12 matching trials from the live ClinicalTrials.gov search.
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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
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
Air Pollution
Interventions
PM exposure, Filtered air exposure
Other
Lead sponsor
U.S. EPA Human Studies Facility
Federal
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Cardiovascular Diseases, Blood Pressure, Glycated Hemoglobin (HbA1c), Cholesterol, Cholesterol, HDL, Cholesterol, LDL, Indoor Air Quality, Particulate Matter, Health Behavior
Interventions
Air Improvement and Real-time Monitoring for Wellness through Interactive Strategies and Education (AIRWISE), Portable Air Cleaner (PAC) Control
Behavioral · Other
Lead sponsor
University of Montana
Other
Eligibility
55 Years to 79 Years
Enrollment
154 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Missoula, Montana
Completed Not applicable Interventional Accepts healthy volunteers Results available

Circadian Rhythm Disruption Effects on Smoke Inhalation

NCT04955431
Conditions
Inflammation, Sleep Deprivation, Circadian Rhythm Sleep Disorder, Shift Work Type, Smoke Inhalation
Interventions
Sleep Restriction, Normal Sleep
Behavioral
Lead sponsor
University of Montana
Other
Eligibility
18 Years to 44 Years · Male only
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Missoula, Montana
Completed No phase listed Observational Accepts healthy volunteers

Vulnerability of the Fetus/Infant to PAH, PM2.5 AND ETS.

NCT00044603
Conditions
Pregnancy
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
18 Years to 40 Years · Female only
Enrollment
505 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2006
U.S. locations
1
States / cities
New York, New York
Conditions
Air Pollution, Risk Reduction Behaviors
Interventions
Educational Program on Air Pollution as a Health Risk Reduction Strategy
Behavioral
Lead sponsor
Villanova University
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Villanova, Pennsylvania
Conditions
Exposure to Pollution
Interventions
Clean Air, PM2.5
Other
Lead sponsor
Environmental Protection Agency (EPA)
Federal
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Conditions
Air Pollution, Pregnancy
Interventions
There is no intervention
Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older · Female only
Enrollment
400 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2023
U.S. locations
1
States / cities
Palo Alto, California
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
Lung Carcinoma
Interventions
Educational Intervention, Questionnaire Administration
Other
Lead sponsor
Fred Hutchinson Cancer Center
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Completed No phase listed Observational Results available

Home Air Quality Impact for Adults With Asthma

NCT05224076
Conditions
Asthma, Environmental Exposure, Home Environment Related Disease
Interventions
Home Air Quality
Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas