{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+testing&page=21",
    "query": {
      "intervention": "Pulmonary function testing",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 610,
    "total_pages": 61,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+testing&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+testing&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T17:52:28.075Z",
  "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": "NCT00507676",
      "title": "Lung Function and Structure in Healthy Infants and Infants With Recurrent Wheezing",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Wheezing",
        "Infant"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Months",
        "maximum_age": "2 Years",
        "sex": "ALL",
        "summary": "2 Months to 2 Years"
      },
      "enrollment_count": 220,
      "start_date": "2000-10",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2012-03-30",
      "last_synced_at": "2026-10-23T17:52:28.075Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00507676"
    },
    {
      "nct_id": "NCT05304000",
      "title": "Psychophysiological Effects of Controlled Respiration and Mindfulness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Stress, Physiological",
        "Stress, Emotional",
        "Insomnia"
      ],
      "interventions": [
        {
          "name": "Mindfulness Meditation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cyclic Sighing Breathing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Box Breathing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cyclic Hyperventilation with Retention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 108,
      "start_date": "2020-06-02",
      "completion_date": "2020-09-17",
      "has_results": false,
      "last_update_posted_date": "2022-05-06",
      "last_synced_at": "2026-10-23T17:52:28.075Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California • Stanford, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05304000"
    },
    {
      "nct_id": "NCT02195999",
      "title": "Assessment of Cardiopulmonary Function in Duchenne Muscular Dystrophy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Muscular Dystrophy, Duchenne"
      ],
      "interventions": [
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "OTHER"
        },
        {
          "name": "Pulmonary Function Testing (PFT)",
          "type": "OTHER"
        },
        {
          "name": "Metabolic Exercise Testing using stationary bicycle",
          "type": "OTHER"
        },
        {
          "name": "Echocardiogram",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "15 Years",
        "sex": "MALE",
        "summary": "5 Years to 15 Years · Male only"
      },
      "enrollment_count": 9,
      "start_date": "2013-12",
      "completion_date": "2019-03-06",
      "has_results": false,
      "last_update_posted_date": "2019-07-08",
      "last_synced_at": "2026-10-23T17:52:28.075Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02195999"
    },
    {
      "nct_id": "NCT06747533",
      "title": "Impact of Diaphragmatic Breathing Coaching on Deep Inspiration Breath Hold Reproducibility and Organ Protection",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breathing, Mouth"
      ],
      "interventions": [
        {
          "name": "CT simulation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2025-01-08",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-22",
      "last_synced_at": "2026-10-23T17:52:28.075Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06747533"
    },
    {
      "nct_id": "NCT03438032",
      "title": "Identifying Unique Pathogenic Macrophages in Systemic Sclerosis-ILD",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fibrosis Lung",
        "Systemic Sclerosis"
      ],
      "interventions": [
        {
          "name": "Bronchoscopy with lavage",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2018-06-28",
      "completion_date": "2024-03-08",
      "has_results": false,
      "last_update_posted_date": "2024-11-14",
      "last_synced_at": "2026-10-23T17:52:28.075Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03438032"
    },
    {
      "nct_id": "NCT01900600",
      "title": "Interleukin-1 Blockade With Canakinumab to Improve Exercise Capacity in Patients With Chronic Systolic Heart Failure and Elevated High Sensitivity C-reactive Protein (Hs-CRP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Prior Acute Myocardial Infarction",
        "Evidence of Systemic Inflammation (C Reactive Protein Plasma >2 mg/l)",
        "Reduced Left Ventricle Ejection Fraction (<50%)",
        "Symptoms of Heart Failure (NYHA Class II-III)"
      ],
      "interventions": [
        {
          "name": "Cardiopulmonary exercise test",
          "type": "OTHER"
        },
        {
          "name": "Echocardiogram",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "18 Years to 110 Years"
      },
      "enrollment_count": 15,
      "start_date": "2013-04",
      "completion_date": "2015-01-08",
      "has_results": false,
      "last_update_posted_date": "2018-10-10",
      "last_synced_at": "2026-10-23T17:52:28.075Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01900600"
    },
    {
      "nct_id": "NCT06368830",
      "title": "Oral and Swallowing Function in Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oropharyngeal Dysphagia"
      ],
      "interventions": [
        {
          "name": "3-ounce water swallow test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Kayser-Jones Brief Oral Health Status Examination (BOHSE)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tongue pressure",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Test of Masticating and Swallowing Solids (TOMASS)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Respiratory function tests",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "60 Years and older"
      },
      "enrollment_count": 111,
      "start_date": "2024-06-03",
      "completion_date": "2026-04-23",
      "has_results": false,
      "last_update_posted_date": "2026-08-10",
      "last_synced_at": "2026-10-23T17:52:28.075Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06368830"
    },
    {
      "nct_id": "NCT04724733",
      "title": "Promoting Risk Reduction Among Young Adults With Asthma During Wildfire Smoke Events (TRAK)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Smoke Sense",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Smoke Sense Plus",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Washington State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "26 Years",
        "sex": "ALL",
        "summary": "18 Years to 26 Years"
      },
      "enrollment_count": 67,
      "start_date": "2020-08-06",
      "completion_date": "2020-12-14",
      "has_results": true,
      "last_update_posted_date": "2023-04-28",
      "last_synced_at": "2026-10-23T17:52:28.075Z",
      "location_count": 1,
      "location_summary": "Spokane, Washington",
      "locations": [
        {
          "city": "Spokane",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04724733"
    },
    {
      "nct_id": "NCT02834650",
      "title": "Validating Cardiac MRI Biomarkers and Genotype-Phenotype Correlations for DMD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscular Dystrophy, Duchenne"
      ],
      "interventions": [
        {
          "name": "Cardiac MRI with contrast",
          "type": "OTHER"
        },
        {
          "name": "Cardiac MRI without contrast",
          "type": "OTHER"
        },
        {
          "name": "Blood Test",
          "type": "OTHER"
        },
        {
          "name": "Heart Rate",
          "type": "OTHER"
        },
        {
          "name": "Pulmonary Function Test",
          "type": "OTHER"
        },
        {
          "name": "Genetic Testing",
          "type": "OTHER"
        },
        {
          "name": "Repeat MRI scan",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "21 Years",
        "sex": "MALE",
        "summary": "7 Years to 21 Years · Male only"
      },
      "enrollment_count": 89,
      "start_date": "2017-02-01",
      "completion_date": "2022-03-30",
      "has_results": false,
      "last_update_posted_date": "2022-05-10",
      "last_synced_at": "2026-10-23T17:52:28.075Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • Orange, California • Stanford, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02834650"
    },
    {
      "nct_id": "NCT02869438",
      "title": "A Study to Evaluate the Onset of Effect and Time Course of Change in Lung Function With Benralizumab in Severe, Uncontrolled Asthma Patients With Eosinophilic Inflammation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Benralizumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 233,
      "start_date": "2016-11-09",
      "completion_date": "2018-08-01",
      "has_results": true,
      "last_update_posted_date": "2019-10-29",
      "last_synced_at": "2026-10-23T17:52:28.075Z",
      "location_count": 16,
      "location_summary": "Scottsboro, Alabama • Gilbert, Arizona • Denver, Colorado + 13 more",
      "locations": [
        {
          "city": "Scottsboro",
          "state": "Alabama"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02869438"
    }
  ]
}