{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Exposure+to+Pollution",
    "query": {
      "condition": "Exposure to Pollution"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 50,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Exposure+to+Pollution&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-22T12:39:06.200Z",
  "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": "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": "2026-07-22T12:39:06.200Z",
      "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": "NCT03232086",
      "title": "Responses to Exposure to Low Levels of Concentrated Ambient Particles in Healthy Young Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exposure to Pollution"
      ],
      "interventions": [
        {
          "name": "Clean Air",
          "type": "OTHER"
        },
        {
          "name": "PM2.5",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Environmental Protection Agency (EPA)",
      "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": "2017-01-16",
      "completion_date": "2020-07-30",
      "has_results": false,
      "last_update_posted_date": "2021-09-05",
      "last_synced_at": "2026-07-22T12:39:06.200Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03232086"
    },
    {
      "nct_id": "NCT07641413",
      "title": "Lung and Heart Function Across Decades of Life in Health",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pollution Related Respiratory Disorder",
        "Pollution; Exposure",
        "Dyspnea",
        "Cardiopulmonary"
      ],
      "interventions": [
        {
          "name": "Healthy control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "24 Years",
        "maximum_age": "68 Years",
        "sex": "ALL",
        "summary": "24 Years to 68 Years"
      },
      "enrollment_count": 200,
      "start_date": "2024-08-01",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-11",
      "last_synced_at": "2026-07-22T12:39:06.200Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07641413"
    },
    {
      "nct_id": "NCT06384625",
      "title": "Developing and Evaluating an Indoor Air Pollution Intervention Among Cardiovascular Patients: the AIRWISE Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Heart Disease",
        "Cardiovascular Diseases",
        "Environmental Exposure"
      ],
      "interventions": [
        {
          "name": "AIRWISE",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Montana",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "55 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2024-07-24",
      "completion_date": "2025-11-05",
      "has_results": false,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-07-22T12:39:06.200Z",
      "location_count": 1,
      "location_summary": "Missoula, Montana",
      "locations": [
        {
          "city": "Missoula",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06384625"
    },
    {
      "nct_id": "NCT04549142",
      "title": "Immune Tolerance Dysfunction in Pregnancy Due to Ambient Air Pollution Exposure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Air Pollution",
        "Pregnancy"
      ],
      "interventions": [
        {
          "name": "There is no intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 400,
      "start_date": "2020-08-01",
      "completion_date": "2023-06-12",
      "has_results": false,
      "last_update_posted_date": "2023-06-15",
      "last_synced_at": "2026-07-22T12:39:06.200Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04549142"
    },
    {
      "nct_id": "NCT06020248",
      "title": "Melanin and Dermal Uptake of Thirdhand Cigarette Smoke",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Wear clothing that has been exposed to cigarette smoke for 3 hours.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 60,
      "start_date": "2023-09-01",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-07-22T12:39:06.200Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06020248"
    },
    {
      "nct_id": "NCT05843370",
      "title": "Modification of Ambient Air Pollution Exposure and Cardiopulmonary Outcomes by Socioeconomic Status and Nutrition",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Air Pollution",
        "Pollution; Exposure",
        "Nutrition, Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Environmental Protection Agency (EPA)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "25 Years to 70 Years"
      },
      "enrollment_count": 82,
      "start_date": "2023-08-21",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2024-02-20",
      "last_synced_at": "2026-07-22T12:39:06.200Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05843370"
    },
    {
      "nct_id": "NCT00011310",
      "title": "Cardiopulmonary Effects of Particulate Exposure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Tract Diseases",
        "Cardiac Diseases",
        "Bronchitis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Environmental Health Sciences (NIEHS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "1999-03",
      "completion_date": "2002-02",
      "has_results": false,
      "last_update_posted_date": "2006-09-04",
      "last_synced_at": "2026-07-22T12:39:06.200Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00011310"
    },
    {
      "nct_id": "NCT03351504",
      "title": "Solar Lighting to Reduce Indoor Air Pollution in Rural Uganda",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pollution; Exposure",
        "Hypertension",
        "Pollution Related Respiratory Disorder"
      ],
      "interventions": [
        {
          "name": "Solar lighting system",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 80,
      "start_date": "2018-02-07",
      "completion_date": "2020-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-07-22T12:39:06.200Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03351504"
    },
    {
      "nct_id": "NCT04013256",
      "title": "Controlled Exposure of Healthy Nonsmokers to Secondhand and Thirdhand Cigarette Smoke",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pollution; Exposure",
        "Smoke Inhalation",
        "Exposure to Pollution"
      ],
      "interventions": [
        {
          "name": "Cigarette Smoke",
          "type": "OTHER"
        },
        {
          "name": "Clean Air and Clean Clothing/Sham exposure",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "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": 66,
      "start_date": "2020-01-20",
      "completion_date": "2024-10-31",
      "has_results": false,
      "last_update_posted_date": "2023-08-28",
      "last_synced_at": "2026-07-22T12:39:06.200Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04013256"
    }
  ]
}