{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Breath+Testing&page=5",
    "query": {
      "intervention": "Breath Testing",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 303,
    "total_pages": 31,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Breath+Testing&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Breath+Testing&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T21:35:32.549Z",
  "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": "NCT03496623",
      "title": "A Phase 3 Adaptive Study to Evaluate the Safety and Efficacy of Inhaled Treprostinil in Participants With Pulmonary Hypertension (PH) Due to Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Hypertension",
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "Inhaled treprostinil solution",
          "type": "DRUG"
        },
        {
          "name": "Placebo solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "United Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 188,
      "start_date": "2018-05-08",
      "completion_date": "2022-10-13",
      "has_results": true,
      "last_update_posted_date": "2023-11-24",
      "last_synced_at": "2026-10-24T21:35:32.549Z",
      "location_count": 65,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 53 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03496623"
    },
    {
      "nct_id": "NCT05040659",
      "title": "Longitudinal At Home Smell Testing to Detect Infection by SARS-CoV-2",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Anosmia",
        "Asymptomatic COVID-19",
        "COVID-19 Respiratory Infection",
        "Influenza",
        "Healthy",
        "PASC Post Acute Sequelae of COVID 19"
      ],
      "interventions": [
        {
          "name": "AROMHA Longitudinal Smell Test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2022-11-14",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-06",
      "last_synced_at": "2026-10-24T21:35:32.549Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05040659"
    },
    {
      "nct_id": "NCT01244503",
      "title": "Prediction of Severity of Liver Disease by a 13C Octanoate Breath Test (OBT)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metabolic Syndrome",
        "Nonalcoholic Fatty Liver Disease"
      ],
      "interventions": [
        {
          "name": "Sodium Octanoate Breath Test",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 61,
      "start_date": "2011-02",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2015-07-28",
      "last_synced_at": "2026-10-24T21:35:32.549Z",
      "location_count": 2,
      "location_summary": "Houston, Texas • Richmond, Virginia",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01244503"
    },
    {
      "nct_id": "NCT06402318",
      "title": "Passive Detection- SARS-CoV-2 (COVID-19) A&M Breathalyzer (PROTECT Kiosk) for Operational Medicine",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19",
        "SARS CoV 2 Virus",
        "COVID-19 Pneumonia",
        "COVID-19 Respiratory Infection",
        "COVID-19 Acute Respiratory Distress Syndrome"
      ],
      "interventions": [
        {
          "name": "A&M Breathalyzer PROTECT Kiosk",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Geneva Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-12-27",
      "completion_date": "2026-03-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-10",
      "last_synced_at": "2026-10-24T21:35:32.549Z",
      "location_count": 1,
      "location_summary": "Fort Sam Houston, Texas",
      "locations": [
        {
          "city": "Fort Sam Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06402318"
    },
    {
      "nct_id": "NCT01831388",
      "title": "Breath Training Exercise for the Reduction of Chronic Dyspnea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pulmonary Disorder"
      ],
      "interventions": [
        {
          "name": "breathing techniques",
          "type": "OTHER"
        },
        {
          "name": "Self-Administered Baseline and Transition Dyspnea Indexes",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2013-03",
      "completion_date": "2018-07",
      "has_results": false,
      "last_update_posted_date": "2018-07-17",
      "last_synced_at": "2026-10-24T21:35:32.549Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01831388"
    },
    {
      "nct_id": "NCT04954157",
      "title": "Studies to Determine Whether Oxygen Sensing is Impaired in Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Infected Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypoxia",
        "SARS-CoV-2 Acute Respiratory Disease",
        "Carotid Bodies"
      ],
      "interventions": [
        {
          "name": "Phase-1: Breath Holding Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Phase 2: 6-Minute Walk Test (6MWT)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2020-06-29",
      "completion_date": "2022-04-21",
      "has_results": false,
      "last_update_posted_date": "2022-11-16",
      "last_synced_at": "2026-10-24T21:35:32.549Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04954157"
    },
    {
      "nct_id": "NCT04684992",
      "title": "GEBT Telehealth Administration Usability Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gastroparesis"
      ],
      "interventions": [
        {
          "name": "GEBT Telehealth Administration Usability",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cairn Diagnostics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2020-12-11",
      "completion_date": "2021-03-10",
      "has_results": true,
      "last_update_posted_date": "2021-08-24",
      "last_synced_at": "2026-10-24T21:35:32.549Z",
      "location_count": 1,
      "location_summary": "Brentwood, Tennessee",
      "locations": [
        {
          "city": "Brentwood",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04684992"
    },
    {
      "nct_id": "NCT06172699",
      "title": "Assert-IQ Implantable Cardiac Monitor (ICM) Post Market Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation Paroxysmal",
        "Atrial Fibrillation, Persistent",
        "Cardiac Arrhythmia",
        "Ablation"
      ],
      "interventions": [
        {
          "name": "Holter monitoring in patients who have been successfully implanted with an Abbott Assert-IQ ICM device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 151,
      "start_date": "2024-01-01",
      "completion_date": "2025-11-10",
      "has_results": false,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-10-24T21:35:32.549Z",
      "location_count": 11,
      "location_summary": "San Diego, California • Orlando, Florida • Overland Park, Kansas + 8 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06172699"
    },
    {
      "nct_id": "NCT06571136",
      "title": "The Measurement of Chemicals in Exhaled Breath Can Identify If a Person is Infected with COVID-19",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "N5 Sensors",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-08-19",
      "completion_date": "2025-02-26",
      "has_results": false,
      "last_update_posted_date": "2024-11-20",
      "last_synced_at": "2026-10-24T21:35:32.549Z",
      "location_count": 1,
      "location_summary": "Everett, Washington",
      "locations": [
        {
          "city": "Everett",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06571136"
    },
    {
      "nct_id": "NCT03142932",
      "title": "COach2Quit TRIAL: Assessing a Prototype Personal Carbon Monoxide Monitor for Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Smoking",
        "Smoking Cessation"
      ],
      "interventions": [
        {
          "name": "Individualized carbon monoxide (iCO) monitor",
          "type": "DEVICE"
        },
        {
          "name": "COach2Quit smartphone application",
          "type": "OTHER"
        },
        {
          "name": "Cessation counseling",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2017-05-17",
      "completion_date": "2017-11-30",
      "has_results": true,
      "last_update_posted_date": "2019-10-04",
      "last_synced_at": "2026-10-24T21:35:32.549Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03142932"
    }
  ]
}