{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Particulate+Matter",
    "query": {
      "condition": "Particulate Matter"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 19,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Particulate+Matter&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:12:31.979Z",
  "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": "NCT03234530",
      "title": "World Trade Center Kidney-Link",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Diseases",
        "Obstructive Sleep Apnea"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 555,
      "start_date": "2017-11-01",
      "completion_date": "2021-06-01",
      "has_results": false,
      "last_update_posted_date": "2021-06-09",
      "last_synced_at": "2026-05-22T05:12:31.979Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03234530"
    },
    {
      "nct_id": "NCT05215171",
      "title": "World Trade Center Particulate Matter Induced Cardiorespiratory and Vascular Dysfunction: a MultiOmic Approach (CaRVD)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiorespiratory and Vascular Dysfunction",
        "Obstructive Airway Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "21 Years to 90 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-03-30",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-05-22T05:12:31.979Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05215171"
    },
    {
      "nct_id": "NCT01466218",
      "title": "World Trade Center (WTC) CHEST",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease",
        "Cardiac Disease",
        "Cardiopulmonary Disease",
        "Obstructive Sleep Apnea",
        "Cardiovascular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 1012,
      "start_date": "2011-11",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2014-07-01",
      "last_synced_at": "2026-05-22T05:12:31.979Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01466218"
    },
    {
      "nct_id": "NCT07539987",
      "title": "Evaluation of a Novel Indoor Air Pollution Intervention Among Older Adults",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Blood Pressure",
        "Glycated Hemoglobin (HbA1c)",
        "Cholesterol",
        "Cholesterol, HDL",
        "Cholesterol, LDL",
        "Indoor Air Quality",
        "Particulate Matter",
        "Health Behavior"
      ],
      "interventions": [
        {
          "name": "Air Improvement and Real-time Monitoring for Wellness through Interactive Strategies and Education (AIRWISE)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Portable Air Cleaner (PAC) Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Montana",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "55 Years to 79 Years"
      },
      "enrollment_count": 154,
      "start_date": "2026-08",
      "completion_date": "2030-07",
      "has_results": false,
      "last_update_posted_date": "2026-04-20",
      "last_synced_at": "2026-05-22T05:12:31.979Z",
      "location_count": 1,
      "location_summary": "Missoula, Montana",
      "locations": [
        {
          "city": "Missoula",
          "state": "Montana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07539987"
    },
    {
      "nct_id": "NCT04464720",
      "title": "AIM to Improve Asthma: Airflow Improvements During Meal-Prep",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma in Children",
        "Pollution; Exposure"
      ],
      "interventions": [
        {
          "name": "Cooking Ventilation Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of California, Berkeley",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Years to 12 Years"
      },
      "enrollment_count": 19,
      "start_date": "2021-05-24",
      "completion_date": "2022-12-30",
      "has_results": true,
      "last_update_posted_date": "2024-10-17",
      "last_synced_at": "2026-05-22T05:12:31.979Z",
      "location_count": 1,
      "location_summary": "Berkeley, California",
      "locations": [
        {
          "city": "Berkeley",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04464720"
    },
    {
      "nct_id": "NCT02246101",
      "title": "World Trade Center (WTC) RENAL",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Disease",
        "Cardiopulmonary Disease",
        "Renal Disease",
        "Cardiovascular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 406,
      "start_date": "2014-07",
      "completion_date": "2016-09-16",
      "has_results": false,
      "last_update_posted_date": "2017-07-26",
      "last_synced_at": "2026-05-22T05:12:31.979Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02246101"
    },
    {
      "nct_id": "NCT04103346",
      "title": "Reducing Particulate Matter-associated Cardiovascular Health Effects for Seniors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiometabolic Health"
      ],
      "interventions": [
        {
          "name": "air filtration with air purifier with hepa filter",
          "type": "OTHER"
        },
        {
          "name": "sham",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 52,
      "start_date": "2020-02-24",
      "completion_date": "2024-11-01",
      "has_results": true,
      "last_update_posted_date": "2026-01-16",
      "last_synced_at": "2026-05-22T05:12:31.979Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04103346"
    },
    {
      "nct_id": "NCT07116460",
      "title": "Cost Effective Air Filtration Intervention in Low-Income Housing to Reduce Asthma Morbidity",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma Attack",
        "Lung Function",
        "Airway Inflammation"
      ],
      "interventions": [
        {
          "name": "Austin Air Cleaner",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "7 Years to 18 Years"
      },
      "enrollment_count": 55,
      "start_date": "2026-02",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-05-22T05:12:31.979Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07116460"
    },
    {
      "nct_id": "NCT05224076",
      "title": "Home Air Quality Impact for Adults With Asthma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Environmental Exposure",
        "Home Environment Related Disease"
      ],
      "interventions": [
        {
          "name": "Home Air Quality",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Kansas Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 64,
      "start_date": "2022-03-30",
      "completion_date": "2024-02-28",
      "has_results": true,
      "last_update_posted_date": "2025-07-29",
      "last_synced_at": "2026-05-22T05:12:31.979Z",
      "location_count": 1,
      "location_summary": "Kansas City, Kansas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05224076"
    },
    {
      "nct_id": "NCT05867381",
      "title": "Using Indoor Air Filtration to Slow Atherothrombosis Progression in Adults With Ischemic Heart Disease History",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Air Pollution",
        "Atherosclerosis"
      ],
      "interventions": [
        {
          "name": "HEPA filtration",
          "type": "DEVICE"
        },
        {
          "name": "Sham filtration",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "84 Years",
        "sex": "ALL",
        "summary": "65 Years to 84 Years"
      },
      "enrollment_count": 112,
      "start_date": "2023-07-11",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-08-01",
      "last_synced_at": "2026-05-22T05:12:31.979Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05867381"
    }
  ]
}