Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Sep 3, 2026, 7:30 AM EDT

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Showing 1–2 of 2 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
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
Hypersensitivity, Immediate, Atopic Hypersensitivity
Interventions
Carbon Black, Diesel Exhaust Particles, Fine Concentrated Ambient Particles, Ultrafine Concentrated Ambient Particles, Saline
Drug
Lead sponsor
University of California, Los Angeles
Other
Eligibility
18 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
Los Angeles, California