{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breath+Tests",
    "query": {
      "condition": "Breath Tests"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 95,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Breath+Tests&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T23:05:08.226Z",
  "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": "NCT04176458",
      "title": "Methacetin Breath Test in Patients With Liver Disease Secondary to Heart Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dilated Cardiomyopathy",
        "Tricuspid Atresia"
      ],
      "interventions": [
        {
          "name": "Methacetin Breath Test (MBT)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2019-04-21",
      "completion_date": "2021-03-19",
      "has_results": true,
      "last_update_posted_date": "2023-04-05",
      "last_synced_at": "2026-06-26T23:05:08.226Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04176458"
    },
    {
      "nct_id": "NCT06004596",
      "title": "Establishing a Pediatric Reference Range for the 13C-Spirulina Gastric Emptying Breath Test (GEBT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastroparesis"
      ],
      "interventions": [
        {
          "name": "13C-Spirulina Gastric Emptying Breath Test (GEBT)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "13C-Spirulina Gastric Emptying Breath Test (GEBT) - repeat",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Cairn Diagnostics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "7 Years to 18 Years"
      },
      "enrollment_count": 182,
      "start_date": "2023-03-17",
      "completion_date": "2024-09-30",
      "has_results": false,
      "last_update_posted_date": "2024-10-03",
      "last_synced_at": "2026-06-26T23:05:08.226Z",
      "location_count": 3,
      "location_summary": "Brentwood, Tennessee • Houston, Texas • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Brentwood",
          "state": "Tennessee"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06004596"
    },
    {
      "nct_id": "NCT02888366",
      "title": "A Prospective Validation Study of a Rapid Point-of-Care Breath Test for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Menssana Research, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 500,
      "start_date": "2017-03-01",
      "completion_date": "2018-08-30",
      "has_results": false,
      "last_update_posted_date": "2018-10-29",
      "last_synced_at": "2026-06-26T23:05:08.226Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • Montclair, New Jersey • Newark, New Jersey + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Montclair",
          "state": "New Jersey"
        },
        {
          "city": "Newark",
          "state": "New Jersey"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02888366"
    },
    {
      "nct_id": "NCT01677338",
      "title": "Phase 2 Study to Evaluate the Preliminary Performance of the C13-URA Breath Test Kit in Dyspeptic Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Dyspeptic Subjects"
      ],
      "interventions": [
        {
          "name": "13C-uracil",
          "type": "DRUG"
        },
        {
          "name": "99mTc sulfur colloid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Otsuka Pharmaceutical Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "21 Years to 65 Years"
      },
      "enrollment_count": 20,
      "start_date": "2013-07",
      "completion_date": "2014-07",
      "has_results": false,
      "last_update_posted_date": "2019-04-08",
      "last_synced_at": "2026-06-26T23:05:08.226Z",
      "location_count": 2,
      "location_summary": "Orlando, Florida • Lebanon, New Hampshire",
      "locations": [
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01677338"
    },
    {
      "nct_id": "NCT04040244",
      "title": "Exhaled Breath Analysis to Predict Risk of Symptomatic Pneumonitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pneumonitis",
        "Nonsmall Cell Lung Cancer Stage III"
      ],
      "interventions": [
        {
          "name": "Exhaled Breath Collection",
          "type": "OTHER"
        },
        {
          "name": "Blood sample",
          "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": 16,
      "start_date": "2019-12-09",
      "completion_date": "2022-03-10",
      "has_results": true,
      "last_update_posted_date": "2023-10-11",
      "last_synced_at": "2026-06-26T23:05:08.226Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04040244"
    },
    {
      "nct_id": "NCT02528721",
      "title": "Exalenz Lab Mode System Compared to Biopsy for H.Pylori Detection",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Helicobacter Pylori Infection"
      ],
      "interventions": [
        {
          "name": "Dual Mode BreathID Hp System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Meridian Bioscience, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 282,
      "start_date": "2015-10",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2022-12-20",
      "last_synced_at": "2026-06-26T23:05:08.226Z",
      "location_count": 11,
      "location_summary": "Tucson, Arizona • Ventura, California • Lafayette, Colorado + 8 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Ventura",
          "state": "California"
        },
        {
          "city": "Lafayette",
          "state": "Colorado"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Kissimmee",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02528721"
    },
    {
      "nct_id": "NCT01182155",
      "title": "Breath Analysis for Evaluation of Radiation Exposure in Lung Cancer Patients Treated With Radiation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer",
        "Non-Small Cell Lung Cancer",
        "Small Cell Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Exhaled Breath Sampling",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2010-08",
      "completion_date": "2012-03",
      "has_results": false,
      "last_update_posted_date": "2016-07-01",
      "last_synced_at": "2026-06-26T23:05:08.226Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01182155"
    },
    {
      "nct_id": "NCT01437033",
      "title": "Breath Test for Chemicals (Volatile Organic Compounds)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breath Tests",
        "Human Volunteers",
        "Pilot Study"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "30 Years to 60 Years"
      },
      "enrollment_count": 5,
      "start_date": "2011-08-29",
      "completion_date": "2016-09-23",
      "has_results": false,
      "last_update_posted_date": "2018-04-05",
      "last_synced_at": "2026-06-26T23:05:08.226Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01437033"
    },
    {
      "nct_id": "NCT01515566",
      "title": "Breakthrough Dyspnea Fentanyl Study in Cancer Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Advanced Cancers",
        "Dyspnea"
      ],
      "interventions": [
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        },
        {
          "name": "Walking Tests",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 26,
      "start_date": "2012-04",
      "completion_date": "2013-04",
      "has_results": true,
      "last_update_posted_date": "2014-08-22",
      "last_synced_at": "2026-06-26T23:05:08.226Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01515566"
    },
    {
      "nct_id": "NCT06648967",
      "title": "Impact of Different Carbohydrate Feedings on a Hydrogen Breath Curve and Self-reported Gastrointestinal Complaints",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Quality of Life"
      ],
      "interventions": [
        {
          "name": "Supplementation with a multi-ingredient whey supplement",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Arizona State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 5,
      "start_date": "2024-10-03",
      "completion_date": "2026-05-30",
      "has_results": false,
      "last_update_posted_date": "2025-08-21",
      "last_synced_at": "2026-06-26T23:05:08.226Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06648967"
    }
  ]
}