{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+testing.",
    "query": {
      "intervention": "Pulmonary function testing."
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 609,
    "total_pages": 61,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+testing.&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T21:50:02.904Z",
  "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": "NCT00570778",
      "title": "Efficacy and Safety of QVA149 in Patients With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "indacaterol/glycopyrrolate",
          "type": "DRUG"
        },
        {
          "name": "indacaterol",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 154,
      "start_date": "2007-12",
      "completion_date": "2008-09",
      "has_results": true,
      "last_update_posted_date": "2018-07-26",
      "last_synced_at": "2026-09-08T21:50:02.904Z",
      "location_count": 3,
      "location_summary": "St Louis, Missouri • Charlotte, North Carolina • Raleigh, North Carolina",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00570778"
    },
    {
      "nct_id": "NCT06856525",
      "title": "Dissolved Phase HXe-129 MRI: A Novel Biomarker to Quantify Pulmonary Pathology",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Electronic Cigarette Related Lung Damage"
      ],
      "interventions": [
        {
          "name": "Hyperpolarized xenon 129",
          "type": "DRUG"
        },
        {
          "name": "Cardiopulmonary Stress Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pulmonary Function Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Chest CT",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Y. Michael Shim, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 80,
      "start_date": "2024-12-19",
      "completion_date": "2032-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-09-08T21:50:02.904Z",
      "location_count": 2,
      "location_summary": "Durham, North Carolina • Charlottesville, Virginia",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06856525"
    },
    {
      "nct_id": "NCT05106374",
      "title": "Risk of Chemotherapy Toxicity in Older Patients With Blood Cancer or Non-small Cell Lung Cancer",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Lung Non-Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cognitive Assessment",
          "type": "PROCEDURE"
        },
        {
          "name": "Physical Performance Testing",
          "type": "OTHER"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Ohio State University Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 182,
      "start_date": "2018-09-04",
      "completion_date": "2021-09-22",
      "has_results": false,
      "last_update_posted_date": "2026-04-13",
      "last_synced_at": "2026-09-08T21:50:02.904Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05106374"
    },
    {
      "nct_id": "NCT04100486",
      "title": "Non-Invasive Bioelectronic Analytics",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Autonomic Dysfunction",
        "Autonomic Imbalance",
        "Autonomic Nervous System Diseases",
        "Vagus Nerve Autonomic Disorder"
      ],
      "interventions": [
        {
          "name": "Standing-Squatting-Standing Test",
          "type": "OTHER"
        },
        {
          "name": "Deep Breathing Test",
          "type": "OTHER"
        },
        {
          "name": "Cold Pressor Test",
          "type": "OTHER"
        },
        {
          "name": "Cold Face Test",
          "type": "OTHER"
        },
        {
          "name": "Valsalva Maneuver",
          "type": "OTHER"
        },
        {
          "name": "Transcutaneous Auricular Vagus Nerve Stimulation (taVNS)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Northwell Health",
      "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": 48,
      "start_date": "2019-08-29",
      "completion_date": "2027-07",
      "has_results": false,
      "last_update_posted_date": "2026-06-09",
      "last_synced_at": "2026-09-08T21:50:02.904Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04100486"
    },
    {
      "nct_id": "NCT04155073",
      "title": "E-Visit for COPD and Smoking Cessation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive",
        "Cigarette Smoking",
        "Telemedicine"
      ],
      "interventions": [
        {
          "name": "smoking cessation, early COPD detection, electronic visit",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Treatment As Usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 125,
      "start_date": "2019-12-12",
      "completion_date": "2021-03-12",
      "has_results": true,
      "last_update_posted_date": "2024-02-21",
      "last_synced_at": "2026-09-08T21:50:02.904Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04155073"
    },
    {
      "nct_id": "NCT05692453",
      "title": "Pulse Oximetry Accuracy by Skin Color",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Surgery"
      ],
      "interventions": [
        {
          "name": "Arterial blood gas with co-oximetry",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Brittany Willer",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "9 Years",
        "sex": "ALL",
        "summary": "2 Years to 9 Years"
      },
      "enrollment_count": 540,
      "start_date": "2026-07",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-23",
      "last_synced_at": "2026-09-08T21:50:02.904Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05692453"
    },
    {
      "nct_id": "NCT00823329",
      "title": "Calorie Balance Monitoring and Analysis of Body Composition and Hydration Status",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Energy Metabolism",
        "Energy Expenditure",
        "Body Composition",
        "Body Fluids"
      ],
      "interventions": [
        {
          "name": "cardiac stress testing with an exercise machine",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ori Diagnostic Instruments LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2012-10",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2012-10-12",
      "last_synced_at": "2026-09-08T21:50:02.904Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00823329"
    },
    {
      "nct_id": "NCT03095456",
      "title": "Revefenacin Peak Inspiratory Flow Rate (PIFR) Study in COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease, COPD",
        "Low Peak Inspiratory Flow Rate (PIFR)"
      ],
      "interventions": [
        {
          "name": "Revefenacin",
          "type": "DRUG"
        },
        {
          "name": "Spiriva Handihaler®",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo for Revefenacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo for Spiriva Handihaler®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Mylan Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 207,
      "start_date": "2017-03-27",
      "completion_date": "2017-11-25",
      "has_results": true,
      "last_update_posted_date": "2022-02-24",
      "last_synced_at": "2026-09-08T21:50:02.904Z",
      "location_count": 1,
      "location_summary": "Rock Hill, South Carolina",
      "locations": [
        {
          "city": "Rock Hill",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03095456"
    },
    {
      "nct_id": "NCT02019251",
      "title": "Lung Transplant Subjects Using 19F MRI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Post Single or Double Lung Transplant"
      ],
      "interventions": [
        {
          "name": "perfluorinated gas/oxygen mixture",
          "type": "DRUG"
        },
        {
          "name": "MRI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Hal C Charles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 6,
      "start_date": "2013-12",
      "completion_date": "2014-08",
      "has_results": false,
      "last_update_posted_date": "2014-11-18",
      "last_synced_at": "2026-09-08T21:50:02.904Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02019251"
    },
    {
      "nct_id": "NCT02235441",
      "title": "Effects of Chemoradiation and Surgery on Cardiopulmonary Fitness and Tumor Neoplastic Phenotype in Gastrointestinal Malignancies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pathologically Proven Gastrointestinal Malignancy",
        "Plan of Care Must Include Chemoradiation"
      ],
      "interventions": [
        {
          "name": "Cardiopulmonary Exercise Test (CPET)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2014-11",
      "completion_date": "2016-04-05",
      "has_results": false,
      "last_update_posted_date": "2017-07-11",
      "last_synced_at": "2026-09-08T21:50:02.904Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02235441"
    }
  ]
}