- Conditions
- Respiratory Depression
- Interventions
- Ozone, Nitrogen dioxide
- Other
- Lead sponsor
- Environmental Protection Agency (EPA)
- Federal
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 54 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2016
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–19
of 19
matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Healthy
- Interventions
- Ozone
- Other
- Lead sponsor
- University of Rochester
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2011 – 2012
- U.S. locations
- 1
- States / cities
- Rochester, New York
- 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
- Healthy
- Interventions
- N-acetylcysteine, ascorbate, Placebo
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years to 49 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2008 – 2010
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Healthy, Dietary Supplement
- Interventions
- Ozone, Fish Oil, Olive Oil
- Drug · Dietary Supplement
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 44 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2020
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Respiratory Depression, Blood Pressure
- Interventions
- ozone
- Other
- Lead sponsor
- Environmental Protection Agency (EPA)
- Federal
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2013
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Healthy
- Interventions
- Filtration of all PM and VOC's, Filtration of VOC's
- Other
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 50 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2024 – 2027
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Exposure to Pollution, Inhalation of Ozone
- Interventions
- Ozone exposure, Diesel exhaust, Ozone18, Clean Air
- Other
- Lead sponsor
- Environmental Protection Agency (EPA)
- Federal
- Eligibility
- 18 Years to 55 Years
- Enrollment
- 42 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2010 – 2015
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Metabolic Syndrome
- Interventions
- Ultrafine Air Pollution Particulate Matter, Filtered Air
- Other
- Lead sponsor
- David Diaz-Sanchez
- Federal
- Eligibility
- 25 Years to 70 Years
- Enrollment
- 48 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2004 – 2013
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Healthy Participants
- Interventions
- Simulated wildfire smoke exposure, Clean Air exposure
- Other
- Lead sponsor
- Rutgers, The State University of New Jersey
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 12 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2025
- U.S. locations
- 1
- States / cities
- Piscataway, New Jersey
- Conditions
- Healthy
- Interventions
- Filtered Air, Wood Smoke
- Other
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 80 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2021 – 2027
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Response of Viral Infection to Woodsmoke
- Interventions
- wood smoke, clean air
- Other
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 40 Years
- Enrollment
- 39 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2015
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Asthma, Allergic
- Interventions
- Ozone, FA
- Other
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 45 Years
- Enrollment
- 18 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2019 – 2027
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Cardiovascular Effects
- Interventions
- Diesel Exhaust, Filtered Air, Terazosin, placebo
- Other · Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 18 Years to 49 Years
- Enrollment
- 24 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2012 – 2015
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Environmental Exposure, Nasal Inflammation
- Interventions
- Ozone, Filtered Air, Health and Exposure Tracker (HET)
- Other · Device
- Lead sponsor
- University of North Carolina, Chapel Hill
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 15 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2017 – 2019
- U.S. locations
- 1
- States / cities
- Chapel Hill, North Carolina
- Conditions
- Pollution; Exposure, Smoke Inhalation, Exposure to Pollution
- Interventions
- Cigarette Smoke, Clean Air and Clean Clothing/Sham exposure
- Other
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 66 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2020 – 2024
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Healthy
- Interventions
- Ozone, Filtered Air
- Drug · Other
- Lead sponsor
- Robert Tighe, MD
- Other
- Eligibility
- 18 Years to 35 Years
- Enrollment
- 35 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2019 – 2023
- U.S. locations
- 1
- States / cities
- Durham, North Carolina
- Conditions
- Adverse Effect of Other Agents Primarily Affecting the Cardiovascular System, Initial Encounter
- Interventions
- Cigarette, NIDA test type with 16.6 mg nicotine, Cigarette, NIDA test type with <0.45 mg nicotine, Electronic cigarette with 18 mg/ml nicotine, Electronic Cigarette with no nicotine, Moist snuff, Sham Smoking, Secondhand cigarette smoke (SHS), Conditioned, filtered air, Sham Moist Snuff
- Other
- Lead sponsor
- University of California, San Francisco
- Other
- Eligibility
- 18 Years to 50 Years
- Enrollment
- 81 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2021
- U.S. locations
- 1
- States / cities
- San Francisco, California
- Conditions
- Shoulder Arthroplasty, Positive C. Acnes Culture
- Interventions
- Povidone-Iodine, Hydrogen Peroxide, Xperience Antimicrobial Wash, Bacterial Cultures, Shoulder Arthroplasty
- Device · Diagnostic Test · Procedure
- Lead sponsor
- Henry Ford Health System
- Other
- Eligibility
- 18 Years and older
- Enrollment
- 150 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2025 – 2027
- U.S. locations
- 1
- States / cities
- Detroit, Michigan