{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Concentrated+Air",
    "query": {
      "intervention": "Concentrated Air"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T05:56:26.593Z",
  "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": "NCT04898205",
      "title": "Cardiopulmonary Rehabilitation in COVID-19 Longhaulers",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Covid19",
        "Viral Syndrome"
      ],
      "interventions": [
        {
          "name": "Treadmill Exercise",
          "type": "OTHER"
        },
        {
          "name": "Concentrated Oxygen",
          "type": "OTHER"
        },
        {
          "name": "Concentrated Air",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Noah Greenspan",
      "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": 24,
      "start_date": "2021-01-21",
      "completion_date": "2022-01-20",
      "has_results": false,
      "last_update_posted_date": "2021-05-25",
      "last_synced_at": "2026-09-03T05:56:26.593Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04898205"
    },
    {
      "nct_id": "NCT07231471",
      "title": "Platelet Rich Plasma for Musculoskeletal Conditions",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis (OA)",
        "Osteoarthritis (OA) of the Knee",
        "Osteoarthritis (OA) of the Hip",
        "Osteoarthritis (OA) of the Shoulder",
        "Osteoarthritis Ankle",
        "Elbow Osteoarthritis",
        "Epicondylitis of the Elbow",
        "Plantar Fasciitis of Both Feet",
        "Tendinopathy"
      ],
      "interventions": [
        {
          "name": "Platelet Rich Plasma Injection",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Platelet Rich Plasma Preparation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DEVICE"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10000,
      "start_date": "2025-12-29",
      "completion_date": "2035-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-03T05:56:26.593Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07231471"
    },
    {
      "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": "2026-09-03T05:56:26.593Z",
      "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": "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": "2026-09-03T05:56:26.593Z",
      "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": "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": "2026-09-03T05:56:26.593Z",
      "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": "NCT02003521",
      "title": "Impact of Lung Flute Therapy on Asthma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Persistent Asthma"
      ],
      "interventions": [
        {
          "name": "Lung Flute",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medical Acoustics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2013-11",
      "completion_date": "2014-10",
      "has_results": false,
      "last_update_posted_date": "2014-10-28",
      "last_synced_at": "2026-09-03T05:56:26.593Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02003521"
    },
    {
      "nct_id": "NCT01257191",
      "title": "A Study to Compare the Effects of Different Sized Particles on Cells in the Nose",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypersensitivity, Immediate",
        "Atopic Hypersensitivity"
      ],
      "interventions": [
        {
          "name": "Carbon Black",
          "type": "DRUG"
        },
        {
          "name": "Diesel Exhaust Particles",
          "type": "DRUG"
        },
        {
          "name": "Fine Concentrated Ambient Particles",
          "type": "DRUG"
        },
        {
          "name": "Ultrafine Concentrated Ambient Particles",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2010-04",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2017-01-11",
      "last_synced_at": "2026-09-03T05:56:26.593Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01257191"
    }
  ]
}