{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Filtered+Air",
    "query": {
      "intervention": "Filtered Air"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Filtered+Air&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T13:28:19.329Z",
  "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": "NCT05454930",
      "title": "Effect of Commute Traffic on Vascular Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Filtered Air",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "49 Years",
        "sex": "ALL",
        "summary": "18 Years to 49 Years"
      },
      "enrollment_count": 16,
      "start_date": "2015-01",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2022-07-12",
      "last_synced_at": "2026-09-03T13:28:19.329Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05454930"
    },
    {
      "nct_id": "NCT01492517",
      "title": "Epigenetic Effects of Diesel Exhaust and Ozone Exposure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Exposure to Pollution",
        "Inhalation of Ozone"
      ],
      "interventions": [
        {
          "name": "Ozone exposure",
          "type": "OTHER"
        },
        {
          "name": "Diesel exhaust",
          "type": "OTHER"
        },
        {
          "name": "Ozone18",
          "type": "OTHER"
        },
        {
          "name": "Clean Air",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Environmental Protection Agency (EPA)",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 42,
      "start_date": "2010-05",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2016-01-18",
      "last_synced_at": "2026-09-03T13:28:19.329Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01492517"
    },
    {
      "nct_id": "NCT01475968",
      "title": "Physiological Changes in Adults With Metabolic Syndrome Exposed to Ultrafine Air Particles",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "Ultrafine Air Pollution Particulate Matter",
          "type": "OTHER"
        },
        {
          "name": "Filtered Air",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "David Diaz-Sanchez",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "25 Years to 70 Years"
      },
      "enrollment_count": 48,
      "start_date": "2004-12",
      "completion_date": "2013-10",
      "has_results": false,
      "last_update_posted_date": "2013-11-07",
      "last_synced_at": "2026-09-03T13:28:19.329Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01475968"
    },
    {
      "nct_id": "NCT03646877",
      "title": "Mechanisms of Ozone-Induced Alterations in Efferocytosis and Phagocytosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Ozone",
          "type": "DRUG"
        },
        {
          "name": "Filtered Air",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Robert Tighe, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 35,
      "start_date": "2019-03-19",
      "completion_date": "2023-07-27",
      "has_results": true,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-09-03T13:28:19.329Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03646877"
    },
    {
      "nct_id": "NCT04119271",
      "title": "Durham Healthy Breathing in Healthy Homes Project",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Poor Asthma Control"
      ],
      "interventions": [
        {
          "name": "Breathe Easy at Home Kit Products",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "5 Years to 16 Years"
      },
      "enrollment_count": 26,
      "start_date": "2022-05-18",
      "completion_date": "2023-05-11",
      "has_results": false,
      "last_update_posted_date": "2023-12-04",
      "last_synced_at": "2026-09-03T13:28:19.329Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04119271"
    },
    {
      "nct_id": "NCT03594487",
      "title": "Fecal Microbiota Transplantation (FMT) of FMP30 in Relapsing-Remitting Multiple Sclerosis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Relapsing Remitting Multiple Sclerosis"
      ],
      "interventions": [
        {
          "name": "FMP30 Donor Stool",
          "type": "DRUG"
        },
        {
          "name": "Fecal Microbiota Transplantation (FMT) of FMP30 Donor Stool",
          "type": "PROCEDURE"
        },
        {
          "name": "Observational Control",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Jeffrey Gelfand",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 5,
      "start_date": "2018-11-16",
      "completion_date": "2024-12-16",
      "has_results": true,
      "last_update_posted_date": "2026-02-03",
      "last_synced_at": "2026-09-03T13:28:19.329Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03594487"
    },
    {
      "nct_id": "NCT01192477",
      "title": "Ozone Cardiovascular Effects in Genetically Susceptible People",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Ozone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Rochester",
      "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": 80,
      "start_date": "2011-05",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2013-12-04",
      "last_synced_at": "2026-09-03T13:28:19.329Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01192477"
    },
    {
      "nct_id": "NCT06831422",
      "title": "Post-incision Antimicrobial Wash vs C. Acnes in Shoulder Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Shoulder Arthroplasty",
        "Positive C. Acnes Culture"
      ],
      "interventions": [
        {
          "name": "Povidone-Iodine",
          "type": "DEVICE"
        },
        {
          "name": "Hydrogen Peroxide",
          "type": "DEVICE"
        },
        {
          "name": "Xperience Antimicrobial Wash",
          "type": "DEVICE"
        },
        {
          "name": "Bacterial Cultures",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Shoulder Arthroplasty",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2025-05-05",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2025-06-04",
      "last_synced_at": "2026-09-03T13:28:19.329Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06831422"
    },
    {
      "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": "2026-09-03T13:28:19.329Z",
      "location_count": 1,
      "location_summary": "Piscataway, New Jersey",
      "locations": [
        {
          "city": "Piscataway",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07151235"
    },
    {
      "nct_id": "NCT01964807",
      "title": "Cardiovascular Assessment of the Effects of Tobacco and Nicotine Delivery Products",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adverse Effect of Other Agents Primarily Affecting the Cardiovascular System, Initial Encounter"
      ],
      "interventions": [
        {
          "name": "Cigarette, NIDA test type with 16.6 mg nicotine",
          "type": "OTHER"
        },
        {
          "name": "Cigarette, NIDA test type with <0.45 mg nicotine",
          "type": "OTHER"
        },
        {
          "name": "Electronic cigarette with 18 mg/ml nicotine",
          "type": "OTHER"
        },
        {
          "name": "Electronic Cigarette with no nicotine",
          "type": "OTHER"
        },
        {
          "name": "Moist snuff",
          "type": "OTHER"
        },
        {
          "name": "Sham Smoking",
          "type": "OTHER"
        },
        {
          "name": "Secondhand cigarette smoke (SHS)",
          "type": "OTHER"
        },
        {
          "name": "Conditioned, filtered air",
          "type": "OTHER"
        },
        {
          "name": "Sham Moist Snuff",
          "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": 81,
      "start_date": "2013-11-03",
      "completion_date": "2021-05-31",
      "has_results": false,
      "last_update_posted_date": "2021-12-27",
      "last_synced_at": "2026-09-03T13:28:19.329Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01964807"
    }
  ]
}