{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Collection+of+exhaled+breath",
    "query": {
      "intervention": "Collection of exhaled breath"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 36,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Collection+of+exhaled+breath&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-15T15:17:01.235Z",
  "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": "NCT05322785",
      "title": "Optimization of Exhaled Biomarker Collection and Analysis",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Disease",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Breath collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "4 Years to 110 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2020-02-02",
      "completion_date": "2030-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-27",
      "last_synced_at": "2026-09-15T15:17:01.235Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05322785"
    },
    {
      "nct_id": "NCT04662658",
      "title": "Hyperpolarized Xenon-129 MR Imaging of the Lung",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "E-Cig Use"
      ],
      "interventions": [
        {
          "name": "Hyperpolarized Xenon -129 MRI",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2020-11-05",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2020-12-10",
      "last_synced_at": "2026-09-15T15:17:01.235Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04662658"
    },
    {
      "nct_id": "NCT00433173",
      "title": "Insulin Sensitivity in Men With the Metabolic Syndrome",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Metabolic Syndrome"
      ],
      "interventions": [
        {
          "name": "intravenous glucose tolerance test",
          "type": "PROCEDURE"
        },
        {
          "name": "testosterone",
          "type": "DRUG"
        },
        {
          "name": "anastrozole",
          "type": "DRUG"
        },
        {
          "name": "goserelin acetate implant",
          "type": "DRUG"
        },
        {
          "name": "aerobic capacity (VO2 Max)",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI",
          "type": "PROCEDURE"
        },
        {
          "name": "muscle biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "measurement of resting metabolic rate (energy expenditure)",
          "type": "PROCEDURE"
        },
        {
          "name": "Dual energy x-ray absorptiometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Fasting oral glucose tolerance test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "50 Years to 75 Years · Male only"
      },
      "enrollment_count": 72,
      "start_date": "2006-05",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2010-03-02",
      "last_synced_at": "2026-09-15T15:17:01.235Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Boston, Massachusetts",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00433173"
    },
    {
      "nct_id": "NCT01880723",
      "title": "Utilizing Exhaled Breathe Condensate Collection to Study Ion Regulation in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cystic Fibrosis",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Albuterol",
          "type": "DRUG"
        },
        {
          "name": "Placebo saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "15 Years to 55 Years"
      },
      "enrollment_count": 32,
      "start_date": "2009-05",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2023-11-29",
      "last_synced_at": "2026-09-15T15:17:01.235Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01880723"
    },
    {
      "nct_id": "NCT07696273",
      "title": "Miniaturized Breath-based Sensor for the Detection of Hypo- and Hyperglycemia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Diabetes",
        "Hyperglycemia",
        "Hypoglycemia (Diabetic)"
      ],
      "interventions": [
        {
          "name": "Sensing Device and Tedlar Bags",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "7 Years to 25 Years"
      },
      "enrollment_count": 40,
      "start_date": "2026-05-31",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-10",
      "last_synced_at": "2026-09-15T15:17:01.235Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07696273"
    },
    {
      "nct_id": "NCT03998189",
      "title": "Metabolic and Microbial Profiling of Lung Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nonsmall Cell Lung Cancer",
        "Nonsmall Cell Lung Cancer Stage"
      ],
      "interventions": [
        {
          "name": "Breath Collection",
          "type": "OTHER"
        },
        {
          "name": "Saliva Collection",
          "type": "OTHER"
        },
        {
          "name": "Blood Collection",
          "type": "OTHER"
        },
        {
          "name": "Urine Collection",
          "type": "OTHER"
        },
        {
          "name": "Tumor Collection",
          "type": "OTHER"
        },
        {
          "name": "Medical History Data Collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2019-10-11",
      "completion_date": "2021-06-21",
      "has_results": true,
      "last_update_posted_date": "2021-11-05",
      "last_synced_at": "2026-09-15T15:17:01.235Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03998189"
    },
    {
      "nct_id": "NCT03870022",
      "title": "Pivot Breath Sensor Performance Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking Cessation",
        "Smoking, Tobacco"
      ],
      "interventions": [
        {
          "name": "Pivot Breath Sensor System",
          "type": "DEVICE"
        },
        {
          "name": "Similar Carbon Monoxide breath sensor system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Jennifer Marler, MD",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 70,
      "start_date": "2019-03-01",
      "completion_date": "2019-04-18",
      "has_results": true,
      "last_update_posted_date": "2024-07-01",
      "last_synced_at": "2026-09-15T15:17:01.235Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03870022"
    },
    {
      "nct_id": "NCT06775106",
      "title": "Exhaled Breath: A Novel Technique for Rapid Diagnosis of Respiratory Diseases and Infections",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease",
        "Critical Illness"
      ],
      "interventions": [
        {
          "name": "There is no intervention in this observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 100,
      "start_date": "2024-11-30",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-01-14",
      "last_synced_at": "2026-09-15T15:17:01.235Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06775106"
    },
    {
      "nct_id": "NCT02975258",
      "title": "Adiposity and Airway Inflammation in HIV-Associated Airway Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "HIV",
        "Adiposity"
      ],
      "interventions": [
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Spirometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Methacholine challenge test",
          "type": "PROCEDURE"
        },
        {
          "name": "Quantitative CT scans",
          "type": "RADIATION"
        },
        {
          "name": "Urine pregnancy test",
          "type": "PROCEDURE"
        },
        {
          "name": "Adipose biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Exhaled nitric oxide measurement",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "RADIATION"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 102,
      "start_date": "2015-09",
      "completion_date": "2017-09",
      "has_results": false,
      "last_update_posted_date": "2017-10-13",
      "last_synced_at": "2026-09-15T15:17:01.235Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02975258"
    },
    {
      "nct_id": "NCT03053258",
      "title": "Diagnostic Breath Analysis for Detection of Ventilator Acquired Pneumonia (VAP)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bacterial Infections"
      ],
      "interventions": [
        {
          "name": "Collection of exhaled breath sample",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Landon Pediatric Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2016-10",
      "completion_date": "2019-02",
      "has_results": false,
      "last_update_posted_date": "2019-05-07",
      "last_synced_at": "2026-09-15T15:17:01.235Z",
      "location_count": 1,
      "location_summary": "Ventura, California",
      "locations": [
        {
          "city": "Ventura",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03053258"
    }
  ]
}