{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pollution%3B+Exposure&page=2",
    "query": {
      "condition": "Pollution; Exposure",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pollution%3B+Exposure&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T03:38:57.094Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT02133586",
      "title": "Effects of Sequential Exposure to Nitrogen Dioxide and Ozone in Healthy Adult Human Volunteers.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Depression"
      ],
      "interventions": [
        {
          "name": "Ozone",
          "type": "OTHER"
        },
        {
          "name": "Nitrogen dioxide",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Environmental Protection Agency (EPA)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 54,
      "start_date": "2014-01",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2020-08-17",
      "last_synced_at": "2026-05-22T03:38:57.094Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02133586"
    },
    {
      "nct_id": "NCT02027415",
      "title": "The Effect of Juice Types on the Responses to Air Pollution",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Air Pollution"
      ],
      "interventions": [
        {
          "name": "Beet juice",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Orange juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 24,
      "start_date": "2013-12",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2017-12-13",
      "last_synced_at": "2026-05-22T03:38:57.094Z",
      "location_count": 1,
      "location_summary": "Piscataway, New Jersey",
      "locations": [
        {
          "city": "Piscataway",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02027415"
    },
    {
      "nct_id": "NCT02857283",
      "title": "Human Biological Responses to Low Level Ozone",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Environmental Exposure",
        "Nasal Inflammation"
      ],
      "interventions": [
        {
          "name": "Ozone",
          "type": "OTHER"
        },
        {
          "name": "Filtered Air",
          "type": "OTHER"
        },
        {
          "name": "Health and Exposure Tracker (HET)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 15,
      "start_date": "2017-04-22",
      "completion_date": "2019-07-01",
      "has_results": true,
      "last_update_posted_date": "2021-05-14",
      "last_synced_at": "2026-05-22T03:38:57.094Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02857283"
    },
    {
      "nct_id": "NCT04669743",
      "title": "Innate Immunity in Ozone-induced Airway Inflammation in COPD",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive",
        "Airway Disease",
        "COPD Exacerbation",
        "Pollution; Exposure",
        "Pollution Related Respiratory Disorder"
      ],
      "interventions": [
        {
          "name": "Ozone exposure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "45 Years to 75 Years"
      },
      "enrollment_count": 72,
      "start_date": "2016-04-07",
      "completion_date": "2024-10",
      "has_results": false,
      "last_update_posted_date": "2022-06-08",
      "last_synced_at": "2026-05-22T03:38:57.094Z",
      "location_count": 3,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04669743"
    },
    {
      "nct_id": "NCT02469428",
      "title": "Epigenetic Effect Modifications With Ozone Exposure on Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exposure to Environmental Pollution, Non-occupational"
      ],
      "interventions": [
        {
          "name": "Clean air",
          "type": "OTHER"
        },
        {
          "name": "Ozone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Environmental Protection Agency (EPA)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 14,
      "start_date": "2013-12",
      "completion_date": "2018-11-05",
      "has_results": false,
      "last_update_posted_date": "2019-07-30",
      "last_synced_at": "2026-05-22T03:38:57.094Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02469428"
    },
    {
      "nct_id": "NCT05323240",
      "title": "Health Effects of Repeated Exposure to Low Levels of Concentrated Ambient Particles in Healthy Young Volunteers",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Air Pollution"
      ],
      "interventions": [
        {
          "name": "PM exposure",
          "type": "OTHER"
        },
        {
          "name": "Filtered air exposure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "U.S. EPA Human Studies Facility",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 20,
      "start_date": "2022-05-12",
      "completion_date": "2025-12-20",
      "has_results": false,
      "last_update_posted_date": "2023-11-28",
      "last_synced_at": "2026-05-22T03:38:57.094Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05323240"
    },
    {
      "nct_id": "NCT01442480",
      "title": "Cardioprotective Effects of Omega-3 Fatty Acids Supplementation in Healthy Older Subjects Exposed to Air Pollution Particles",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Fish oil",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Olive oil",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Environmental Protection Agency (EPA)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "50 Years to 75 Years"
      },
      "enrollment_count": 29,
      "start_date": "2009-06",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2025-08-08",
      "last_synced_at": "2026-05-22T03:38:57.094Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01442480"
    },
    {
      "nct_id": "NCT06120985",
      "title": "Rural Appalachia Pilot Water Treatment Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Water-Related Diseases",
        "Enteric Pathogens",
        "Exposure to Chemical Pollution"
      ],
      "interventions": [
        {
          "name": "Countertop pitcher water filter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Virginia Polytechnic Institute and State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Months and older"
      },
      "enrollment_count": 76,
      "start_date": "2023-11-19",
      "completion_date": "2025-11-08",
      "has_results": false,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-05-22T03:38:57.094Z",
      "location_count": 2,
      "location_summary": "Johnson City, Tennessee • Blacksburg, Virginia",
      "locations": [
        {
          "city": "Johnson City",
          "state": "Tennessee"
        },
        {
          "city": "Blacksburg",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06120985"
    },
    {
      "nct_id": "NCT07151235",
      "title": "Wildfire Related Air Pollution Exposure and Cognitive Function Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "Simulated wildfire smoke exposure",
          "type": "OTHER"
        },
        {
          "name": "Clean Air exposure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 12,
      "start_date": "2025-09-18",
      "completion_date": "2025-11-20",
      "has_results": false,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-05-22T03:38:57.094Z",
      "location_count": 1,
      "location_summary": "Piscataway, New Jersey",
      "locations": [
        {
          "city": "Piscataway",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07151235"
    },
    {
      "nct_id": "NCT05379400",
      "title": "Cleaner Air for Better Cardiac Biomarkers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Portable air cleaner (PAC)",
          "type": "OTHER"
        },
        {
          "name": "Sham Portable air cleaner (PAC)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 48,
      "start_date": "2022-08-11",
      "completion_date": "2023-08-24",
      "has_results": true,
      "last_update_posted_date": "2024-12-06",
      "last_synced_at": "2026-05-22T03:38:57.094Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05379400"
    }
  ]
}