{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+testing&page=25",
    "query": {
      "intervention": "Pulmonary function testing",
      "page": 25
    },
    "page_size": 10
  },
  "pagination": {
    "page": 25,
    "page_size": 10,
    "total_count": 610,
    "total_pages": 61,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+testing&page=26&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+testing&page=24&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-24T08:54:44.231Z",
  "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": "NCT01168635",
      "title": "Improving Asthma Outcomes Through Spirometry Distance Learning",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Spirometry 360 program - Virtually-delivered spirometry quality improvement program",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "5 Years to 17 Years"
      },
      "enrollment_count": 660,
      "start_date": "2010-06",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2015-05-20",
      "last_synced_at": "2026-10-24T08:54:44.231Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • Seattle, Washington",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01168635"
    },
    {
      "nct_id": "NCT07116460",
      "title": "Cost Effective Air Filtration Intervention in Low-Income Housing to Reduce Asthma Morbidity",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma Attack",
        "Lung Function",
        "Airway Inflammation"
      ],
      "interventions": [
        {
          "name": "Austin Air Cleaner",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "7 Years to 18 Years"
      },
      "enrollment_count": 55,
      "start_date": "2026-01-30",
      "completion_date": "2028-04",
      "has_results": false,
      "last_update_posted_date": "2026-06-02",
      "last_synced_at": "2026-10-24T08:54:44.231Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07116460"
    },
    {
      "nct_id": "NCT07614685",
      "title": "Phase Resolved Functional Lung MRI and Oscillometry for the Observation of Healthy Lung Function",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breathing",
        "Lung Function Decreased",
        "MRI Imaging",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Airway Oscillometer",
          "type": "DEVICE"
        },
        {
          "name": "Phase Resolved Functional Lung MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2026-09-01",
      "completion_date": "2028-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-11",
      "last_synced_at": "2026-10-24T08:54:44.231Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07614685"
    },
    {
      "nct_id": "NCT02710162",
      "title": "Accurate Screening Tools for Dysphagia in Amyotrophic Lateral Sclerosis (ALS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Amyotrophic Lateral Sclerosis"
      ],
      "interventions": [
        {
          "name": "Micro Mouth Pressure Meter",
          "type": "DEVICE"
        },
        {
          "name": "Iowa Oral Performance Instrument",
          "type": "DEVICE"
        },
        {
          "name": "Electrical Impedance Myography",
          "type": "DEVICE"
        },
        {
          "name": "Capsaicin",
          "type": "DRUG"
        },
        {
          "name": "Videofluoroscopic Swallowing Study",
          "type": "PROCEDURE"
        },
        {
          "name": "Pulmonary Function Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Swallowing Related Quality of Life Questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Functional Oral Intake Scale",
          "type": "OTHER"
        },
        {
          "name": "Amyotrophic Lateral Sclerosis Functional Rating Scale-Revised",
          "type": "OTHER"
        },
        {
          "name": "Eating Assessment Tool-10",
          "type": "OTHER"
        },
        {
          "name": "Communicative Effectiveness Survey",
          "type": "OTHER"
        },
        {
          "name": "The Center for Neurologic Studies Bulbar Function Scale",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG",
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "21 Years to 85 Years"
      },
      "enrollment_count": 21,
      "start_date": "2016-04",
      "completion_date": "2017-12-19",
      "has_results": false,
      "last_update_posted_date": "2017-12-21",
      "last_synced_at": "2026-10-24T08:54:44.231Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02710162"
    },
    {
      "nct_id": "NCT01879410",
      "title": "A Study to Compare the Efficacy and Safety of Umeclidinium/Vilanterol With Fluticasone Propionate/Salmeterol in Subjects With Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "UMEC/VI Inhalation Powder 62.5/25 mcg via NDPI",
          "type": "DRUG"
        },
        {
          "name": "FSC Inhalation Powder 250/50 mcg via ACCUHALER/DISKUS",
          "type": "DRUG"
        },
        {
          "name": "Placebo DISKUS",
          "type": "DRUG"
        },
        {
          "name": "Placebo NDPI",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 700,
      "start_date": "2013-06-13",
      "completion_date": "2014-01-09",
      "has_results": true,
      "last_update_posted_date": "2017-11-08",
      "last_synced_at": "2026-10-24T08:54:44.231Z",
      "location_count": 15,
      "location_summary": "Tucson, Arizona • Newport Beach, California • Riverside, California + 12 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Riverside",
          "state": "California"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Coeur d'Alene",
          "state": "Idaho"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01879410"
    },
    {
      "nct_id": "NCT01225913",
      "title": "Mechanism(s) of Airflow Limitation During Exacerbation of Asthma",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "fluticasone/salmeterol in all asthmatics",
          "type": "DRUG"
        },
        {
          "name": "budesonide/formoterol or fluticasone/salmeterol in all asthmatics",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Gelb, Arthur F., M.D.",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "10 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2007-10",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2023-10-26",
      "last_synced_at": "2026-10-24T08:54:44.231Z",
      "location_count": 1,
      "location_summary": "Lakewood, California",
      "locations": [
        {
          "city": "Lakewood",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01225913"
    },
    {
      "nct_id": "NCT02249143",
      "title": "Duration of Continuous Positive Airway Pressure and Pulmonary Function Testing in Preterm Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Distress Syndrome",
        "Bronchopulmonary Dysplasia"
      ],
      "interventions": [
        {
          "name": "CPAP and room air",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "1 Year",
        "sex": "ALL",
        "summary": "Up to 1 Year"
      },
      "enrollment_count": 50,
      "start_date": "2014-09",
      "completion_date": "2017-09",
      "has_results": true,
      "last_update_posted_date": "2019-08-29",
      "last_synced_at": "2026-10-24T08:54:44.231Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02249143"
    },
    {
      "nct_id": "NCT00531180",
      "title": "4-Dimensional CT Derived Ventilation Versus SPECT Aerosol Ventilation in Patients With Thoracic Malignancies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Esophageal Cancer",
        "Lung Cancer"
      ],
      "interventions": [
        {
          "name": "4D CT scans",
          "type": "PROCEDURE"
        },
        {
          "name": "Lung Function Imaging",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 31,
      "start_date": "2007-08-21",
      "completion_date": "2018-09-21",
      "has_results": false,
      "last_update_posted_date": "2018-10-25",
      "last_synced_at": "2026-10-24T08:54:44.231Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00531180"
    },
    {
      "nct_id": "NCT03237364",
      "title": "Iraq- Afghanistan War Lung Injury Using 19F MRI (DIAL1001006)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Constrictive Bronchiolitis",
        "Iraq-Afganistan War Lung Injury Syndrome"
      ],
      "interventions": [
        {
          "name": "Perfluorinated Gas/Oxygen Mixture",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Hal C Charles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 7,
      "start_date": "2017-08-19",
      "completion_date": "2020-02-28",
      "has_results": false,
      "last_update_posted_date": "2020-03-10",
      "last_synced_at": "2026-10-24T08:54:44.231Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03237364"
    },
    {
      "nct_id": "NCT04722835",
      "title": "Lung Macrophage Populations and Functions in Chronic Obstructive Pulmonary Disease (COPD)-Susceptible Smokers",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Copd",
        "Smoking",
        "Tobacco Use"
      ],
      "interventions": [
        {
          "name": "Bronchoscopy with Bronchoalveolar Lavage (BAL)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 40,
      "start_date": "2021-03-01",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-04",
      "last_synced_at": "2026-10-24T08:54:44.231Z",
      "location_count": 3,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04722835"
    }
  ]
}