{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nitric+Oxide+Breath+Test",
    "query": {
      "intervention": "Nitric Oxide Breath Test"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Nitric+Oxide+Breath+Test&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-22T02:29:41.687Z",
  "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": "NCT01929824",
      "title": "Nasal Nitric Oxide Levels in Eosinophilic Esophagitis (EoE)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Eosinophilic Esophagitis"
      ],
      "interventions": [
        {
          "name": "Oral Nitric Oxide testing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2013-08",
      "completion_date": "2019-09-25",
      "has_results": false,
      "last_update_posted_date": "2019-09-30",
      "last_synced_at": "2026-09-22T02:29:41.687Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01929824"
    },
    {
      "nct_id": "NCT00739531",
      "title": "Measuring Exhaled Nitric Oxide (eNO) Using the Apieron INSIGHT System and the Aerocrine NIOX System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Exhaled nitric oxide (eNO)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Apieron",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2007-10",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2008-08-21",
      "last_synced_at": "2026-09-22T02:29:41.687Z",
      "location_count": 2,
      "location_summary": "Shreveport, Louisiana • Lake Oswego, Oregon",
      "locations": [
        {
          "city": "Shreveport",
          "state": "Louisiana"
        },
        {
          "city": "Lake Oswego",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00739531"
    },
    {
      "nct_id": "NCT06675435",
      "title": "Inhaled Nitric Oxide in Severe Obesity",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity",
        "Respiratory Insufficiency",
        "Hypoxemic Respiratory Failure",
        "Nitric Oxide"
      ],
      "interventions": [
        {
          "name": "Nitric oxide",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2026-10",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-20",
      "last_synced_at": "2026-09-22T02:29:41.687Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06675435"
    },
    {
      "nct_id": "NCT04972513",
      "title": "Impact of E-cigarette Use on the Body",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cigarette Smoking-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Nitric Oxide Breath Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Oscillometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Spirometry",
          "type": "PROCEDURE"
        },
        {
          "name": "Survey Administration",
          "type": "OTHER"
        },
        {
          "name": "Endothelial function",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "15 Years to 25 Years"
      },
      "enrollment_count": 182,
      "start_date": "2021-07-22",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-23",
      "last_synced_at": "2026-09-22T02:29:41.687Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04972513"
    },
    {
      "nct_id": "NCT07675044",
      "title": "Quantifying the Burden of Type 2 (T2) Inflammation in Asthma",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Type 2 Asthma"
      ],
      "interventions": [
        {
          "name": "FeNO Breath Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2026-07",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-06-30",
      "last_synced_at": "2026-09-22T02:29:41.687Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07675044"
    },
    {
      "nct_id": "NCT05801224",
      "title": "Vascular ARDS Recruitment After Inhaled Nitric Oxide",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Respiratory Distress Syndrome",
        "Ventilation Perfusion Mismatch"
      ],
      "interventions": [
        {
          "name": "Nitric Oxide",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": 70,
      "start_date": "2026-07-10",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-09-22T02:29:41.687Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05801224"
    },
    {
      "nct_id": "NCT01392144",
      "title": "Phase II Evaluation of Exhaled Nitric Oxide (NO)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Nitric oxide breath test",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "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": 36,
      "start_date": "2011-08",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2013-04-04",
      "last_synced_at": "2026-09-22T02:29:41.687Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01392144"
    },
    {
      "nct_id": "NCT00867477",
      "title": "PMRR-NO: Pulmonary Metabolic Radiation Response Versus Exhaled Nitric Oxide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Gastrointestinal Disease",
        "Esophageal Cancer",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "Breathing Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Respiratory Symptoms Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pet Scan",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 163,
      "start_date": "2009-03",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2014-08-28",
      "last_synced_at": "2026-09-22T02:29:41.687Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00867477"
    },
    {
      "nct_id": "NCT01648920",
      "title": "A Study to Explore the Utility of Fractional Exhaled Nitric Oxide (FeNO) Compared With Methacholine Challenge (MCC) Testing in the Assessment of Patients With Suspected But Undiagnosed Asthma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "NIOX MINO® Instrument (09-1100)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Aerocrine AB",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2012-06",
      "completion_date": "2012-11",
      "has_results": true,
      "last_update_posted_date": "2014-04-09",
      "last_synced_at": "2026-09-22T02:29:41.687Z",
      "location_count": 8,
      "location_summary": "Blue Bell, Pennsylvania • Collegeville, Pennsylvania • Doylestown, Pennsylvania + 5 more",
      "locations": [
        {
          "city": "Blue Bell",
          "state": "Pennsylvania"
        },
        {
          "city": "Collegeville",
          "state": "Pennsylvania"
        },
        {
          "city": "Doylestown",
          "state": "Pennsylvania"
        },
        {
          "city": "Jenkintown",
          "state": "Pennsylvania"
        },
        {
          "city": "King of Prussia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01648920"
    },
    {
      "nct_id": "NCT02584751",
      "title": "GERD and Anti-Reflux Therapy Between Able-bodied and SCI Individuals",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Gastro Esophageal Reflux Disorder"
      ],
      "interventions": [
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "24 Hour pH Monitor",
          "type": "DEVICE"
        },
        {
          "name": "Pulmonary Function Examination",
          "type": "PROCEDURE"
        },
        {
          "name": "Exhaled Nitric Oxide",
          "type": "PROCEDURE"
        },
        {
          "name": "Exhaled Breath Concentrate (EBC)",
          "type": "PROCEDURE"
        },
        {
          "name": "Bernstein's Acid Clearance Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Esophageal Motility",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "James J. Peters Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 110,
      "start_date": "2016-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-11-15",
      "last_synced_at": "2026-09-22T02:29:41.687Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02584751"
    }
  ]
}