{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Active+HEPA+Air+Cleaner",
    "query": {
      "intervention": "Active HEPA Air Cleaner"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Active+HEPA+Air+Cleaner&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-18T19:37:16.652Z",
  "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": "NCT02236858",
      "title": "Clinical Trial of Air Cleaners to Improve Indoor Air Quality and COPD Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "HEPA Air Cleaner",
          "type": "DEVICE"
        },
        {
          "name": "Sham HEPA Air Cleaner",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 142,
      "start_date": "2014-03",
      "completion_date": "2021-09-10",
      "has_results": false,
      "last_update_posted_date": "2021-09-14",
      "last_synced_at": "2026-09-18T19:37:16.652Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02236858"
    },
    {
      "nct_id": "NCT07540000",
      "title": "The INTERvening for LUNG Health Trial",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Spirometry"
      ],
      "interventions": [
        {
          "name": "Community health worker-delivered multi-component respiratory health intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "9 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2026-10-15",
      "completion_date": "2030-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-16",
      "last_synced_at": "2026-09-18T19:37:16.652Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07540000"
    },
    {
      "nct_id": "NCT07196436",
      "title": "Asthma Intervention With Residential Ventilation and Air Cleaner (AIRVAC) Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma Control",
        "Pulmonary Function",
        "Quality of Life",
        "Stress",
        "Sleep Quality"
      ],
      "interventions": [
        {
          "name": "Energy Recovery Ventilator",
          "type": "DEVICE"
        },
        {
          "name": "Portable Air Cleaner",
          "type": "DEVICE"
        },
        {
          "name": "Energy Recovery Ventilator (Sham)",
          "type": "DEVICE"
        },
        {
          "name": "Portable Air Cleaner (Sham)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas at Arlington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2025-10-10",
      "completion_date": "2028-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-10-29",
      "last_synced_at": "2026-09-18T19:37:16.652Z",
      "location_count": 2,
      "location_summary": "Arlington, Texas • Plano, Texas",
      "locations": [
        {
          "city": "Arlington",
          "state": "Texas"
        },
        {
          "city": "Plano",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07196436"
    },
    {
      "nct_id": "NCT06376994",
      "title": "Multi-Center Clean Air Randomized Controlled Trial in COPD",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "Air cleaner",
          "type": "DEVICE"
        },
        {
          "name": "Sham air cleaner",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "JHSPH Center for Clinical Trials",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 770,
      "start_date": "2024-05-24",
      "completion_date": "2029-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-09-18T19:37:16.652Z",
      "location_count": 11,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • Iowa City, Iowa + 7 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06376994"
    },
    {
      "nct_id": "NCT03658538",
      "title": "Motivational Interviewing and Air Cleaners for Smokers With COPD (MOVE COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COPD, Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Active HEPA Air Cleaner",
          "type": "DEVICE"
        },
        {
          "name": "Motivational interviewing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Sham Air Cleaner",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 144,
      "start_date": "2019-06-03",
      "completion_date": "2024-11-07",
      "has_results": true,
      "last_update_posted_date": "2025-09-24",
      "last_synced_at": "2026-09-18T19:37:16.652Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03658538"
    },
    {
      "nct_id": "NCT05994937",
      "title": "Cleaner Air for Lower Cardiometabolic Risk",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "PreDiabetes"
      ],
      "interventions": [
        {
          "name": "PAC with HEPA filter intact",
          "type": "DEVICE"
        },
        {
          "name": "PAC with HEPA filter removed",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 150,
      "start_date": "2023-12-26",
      "completion_date": "2026-04-22",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-09-18T19:37:16.652Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05994937"
    },
    {
      "nct_id": "NCT00839046",
      "title": "A Community-based Participatory Research (CBPR) Intervention for Childhood Asthma Using Air Filters and Air Conditioners",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Childhood Asthma"
      ],
      "interventions": [
        {
          "name": "Community Health Worker Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Air Filter",
          "type": "OTHER"
        },
        {
          "name": "Air Filter and Air Conditioner",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "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": 126,
      "start_date": "2007-08",
      "completion_date": "2010-10",
      "has_results": false,
      "last_update_posted_date": "2017-07-24",
      "last_synced_at": "2026-09-18T19:37:16.652Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00839046"
    },
    {
      "nct_id": "NCT05953233",
      "title": "School Inner City Air Study",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Viral Infection"
      ],
      "interventions": [
        {
          "name": "Active classroom HEPA cleaner",
          "type": "OTHER"
        },
        {
          "name": "Sham classroom HEPA cleaner",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "6 Years to 90 Years"
      },
      "enrollment_count": 200,
      "start_date": "2024-09-15",
      "completion_date": "2030-08",
      "has_results": false,
      "last_update_posted_date": "2025-12-11",
      "last_synced_at": "2026-09-18T19:37:16.652Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05953233"
    },
    {
      "nct_id": "NCT02763917",
      "title": "AIRWEIGHS: Investigating Obesity as a Susceptibility Factor for Air Pollution in Childhood Asthma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Active Air Purifier",
          "type": "DEVICE"
        },
        {
          "name": "Placebo Air Purifier",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "8 Years to 17 Years"
      },
      "enrollment_count": 198,
      "start_date": "2016-08",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2025-10-03",
      "last_synced_at": "2026-09-18T19:37:16.652Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02763917"
    },
    {
      "nct_id": "NCT02153359",
      "title": "Effects of Reducing Indoor Air Pollution on the Adult Asthmatic Response",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "High Efficiency Particulate Air Cleaner",
          "type": "DEVICE"
        },
        {
          "name": "Sham air cleaner",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 23,
      "start_date": "2014-02",
      "completion_date": "2018-09-11",
      "has_results": true,
      "last_update_posted_date": "2019-09-12",
      "last_synced_at": "2026-09-18T19:37:16.652Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02153359"
    }
  ]
}