{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+tests&page=15",
    "query": {
      "intervention": "Pulmonary function tests",
      "page": 15
    },
    "page_size": 10
  },
  "pagination": {
    "page": 15,
    "page_size": 10,
    "total_count": 611,
    "total_pages": 62,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+tests&page=16&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+tests&page=14&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T02:09:51.662Z",
  "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": "NCT02112604",
      "title": "Predictors of Upper Airway Function and Sleep-disordered Breathing in the Critically Ill",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Critically Ill",
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Ventilator",
          "type": "DEVICE"
        },
        {
          "name": "Alice PDx",
          "type": "DEVICE"
        },
        {
          "name": "Pulmonary function test",
          "type": "OTHER"
        },
        {
          "name": "Muscle strength tests",
          "type": "OTHER"
        },
        {
          "name": "Grip strength measurement",
          "type": "OTHER"
        },
        {
          "name": "Sedatives and muscle relaxants given in the ICU",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER",
        "DRUG"
      ],
      "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": 50,
      "start_date": "2011-07",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2016-03-17",
      "last_synced_at": "2026-10-19T02:09:51.662Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02112604"
    },
    {
      "nct_id": "NCT07223749",
      "title": "Validation of Chronic Obstructive Pulmonary Disease (COPD) Algorithm",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COPD (Chronic Obstructive Pulmonary Disease)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 425,
      "start_date": "2025-08-22",
      "completion_date": "2026-05-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-10-19T02:09:51.662Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07223749"
    },
    {
      "nct_id": "NCT04489758",
      "title": "4DX for the Diagnosis of Constrictive Bronchiolitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Constrictive Bronchiolitis"
      ],
      "interventions": [
        {
          "name": "X-ray velocimetry analyzed by 4Dx XV Ventilation Analysis",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 18,
      "start_date": "2021-06-25",
      "completion_date": "2022-05-27",
      "has_results": false,
      "last_update_posted_date": "2022-08-30",
      "last_synced_at": "2026-10-19T02:09:51.662Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04489758"
    },
    {
      "nct_id": "NCT05097287",
      "title": "Study Assessing the Long-term Effect of Dupilumab on Prevention of Lung Function Decline in Adult Patients With Uncontrolled Moderate to Severe Asthma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Dupilumab",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1339,
      "start_date": "2021-12-16",
      "completion_date": "2029-06-08",
      "has_results": false,
      "last_update_posted_date": "2026-04-16",
      "last_synced_at": "2026-10-19T02:09:51.662Z",
      "location_count": 75,
      "location_summary": "Cullman, Alabama • Sheffield, Alabama • Chandler, Arizona + 66 more",
      "locations": [
        {
          "city": "Cullman",
          "state": "Alabama"
        },
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05097287"
    },
    {
      "nct_id": "NCT06113016",
      "title": "Prevention of Frailty With Fisetin and Exercise in Breast Cancer Survivors",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Anatomic Stage I Breast Cancer American Joint Committee on Cancer (AJCC) v8",
        "Anatomic Stage II Breast Cancer AJCC v8",
        "Anatomic Stage III Breast Cancer AJCC v8",
        "Early Stage Breast Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Educational Intervention",
          "type": "OTHER"
        },
        {
          "name": "Exercise Intervention",
          "type": "OTHER"
        },
        {
          "name": "Fisetin",
          "type": "DRUG"
        },
        {
          "name": "Physical Performance Testing",
          "type": "OTHER"
        },
        {
          "name": "Placebo Administration",
          "type": "DRUG"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Jonsson Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "Female only"
      },
      "enrollment_count": 164,
      "start_date": "2024-07-23",
      "completion_date": "2031-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-19T02:09:51.662Z",
      "location_count": 6,
      "location_summary": "Alhambra, California • Beverly Hills, California • Burbank, California + 3 more",
      "locations": [
        {
          "city": "Alhambra",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        },
        {
          "city": "Burbank",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Marina del Rey",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06113016"
    },
    {
      "nct_id": "NCT03564522",
      "title": "Image-based Multi-scale Modeling Framework of the Cardiopulmonary System: Longitudinal Calibration and Assessment of Therapies in Pediatric Pulmonary Hypertension",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension",
        "Congenital Heart Disease",
        "Pediatric Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "cardiac catheterization",
          "type": "PROCEDURE"
        },
        {
          "name": "Cardiac MRI",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "RADIATION"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "6 Years to 25 Years"
      },
      "enrollment_count": 35,
      "start_date": "2017-04-01",
      "completion_date": "2023-07-28",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-19T02:09:51.662Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan • Columbus, Ohio",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03564522"
    },
    {
      "nct_id": "NCT01715298",
      "title": "NVA237 BID Versus Placebo Twelve-week Efficacy Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease"
      ],
      "interventions": [
        {
          "name": "NVA237",
          "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": 432,
      "start_date": "2012-11",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2015-03-11",
      "last_synced_at": "2026-10-19T02:09:51.662Z",
      "location_count": 59,
      "location_summary": "*See Various Dept.'s*, Arizona • Chandler, Arizona • Fresno, California + 48 more",
      "locations": [
        {
          "city": "*See Various Dept.'s*",
          "state": "Arizona"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Yorba Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01715298"
    },
    {
      "nct_id": "NCT00001621",
      "title": "Evaluation and Treatment of Patients With Lung Disease Not Participating in Research",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "8 Years to 99 Years"
      },
      "enrollment_count": 280,
      "start_date": "1997-02-12",
      "completion_date": "2020-09-25",
      "has_results": false,
      "last_update_posted_date": "2020-09-28",
      "last_synced_at": "2026-10-19T02:09:51.662Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001621"
    },
    {
      "nct_id": "NCT04537871",
      "title": "Cardiovascular Reserve Evaluation in Survivors of Transplant, CREST Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Lymphoblastic Leukemia",
        "Acute Myeloid Leukemia",
        "Hematopoietic and Lymphoid Cell Neoplasm",
        "Hodgkin Lymphoma",
        "Myelodysplastic Syndrome",
        "Non-Hodgkin Lymphoma",
        "Plasma Cell Myeloma"
      ],
      "interventions": [
        {
          "name": "Bioelectric Impedance Analysis",
          "type": "PROCEDURE"
        },
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Cardiopulmonary Exercise Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiography",
          "type": "PROCEDURE"
        },
        {
          "name": "Physical Performance Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Pulmonary Function Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Ultrasound",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "City of Hope Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2020-11-18",
      "completion_date": "2027-05-25",
      "has_results": false,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-10-19T02:09:51.662Z",
      "location_count": 1,
      "location_summary": "Duarte, California",
      "locations": [
        {
          "city": "Duarte",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04537871"
    },
    {
      "nct_id": "NCT05108896",
      "title": "Aspiration in Acute Respiratory Failure Survivors 2",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dysphagia",
        "Aspiration"
      ],
      "interventions": [
        {
          "name": "3-Screenings Protocol",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "FEES",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tracheal Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 855,
      "start_date": "2021-12-15",
      "completion_date": "2025-12-15",
      "has_results": false,
      "last_update_posted_date": "2024-10-08",
      "last_synced_at": "2026-10-19T02:09:51.662Z",
      "location_count": 5,
      "location_summary": "Stanford, California • Aurora, Colorado • New Haven, Connecticut + 1 more",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05108896"
    }
  ]
}