{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+tests&page=2",
    "query": {
      "intervention": "Pulmonary function tests",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pulmonary+function+tests&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T21:41:09.671Z",
  "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": "NCT04336995",
      "title": "Exercise Pulmonary Transit Time",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure, Diastolic"
      ],
      "interventions": [
        {
          "name": "contrast echocardiography",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2020-08-27",
      "completion_date": "2024-03-01",
      "has_results": true,
      "last_update_posted_date": "2024-04-09",
      "last_synced_at": "2026-09-02T21:41:09.671Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04336995"
    },
    {
      "nct_id": "NCT05074875",
      "title": "COVID-19 Respiratory Outcomes Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Questionnaires and Patient Reported Outcomes (PROs)",
          "type": "OTHER"
        },
        {
          "name": "Nasal Swab COVID-19 reverse transcription polymerase chain reaction test (RT-PCR)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Samples for Biomarkers",
          "type": "GENETIC"
        },
        {
          "name": "High Resolution Computed Tomography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Physical Exam and Vital Signs",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Medical Research Council Sum Score",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Hand Grip Strength",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Spirometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Diffusing Capacity of Carbon Monoxide",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "6 Minute Walk Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Sit to Stand (STS) Measurement",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DIAGNOSTIC_TEST",
        "GENETIC"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2021-01-15",
      "completion_date": "2023-05-09",
      "has_results": false,
      "last_update_posted_date": "2023-07-27",
      "last_synced_at": "2026-09-02T21:41:09.671Z",
      "location_count": 4,
      "location_summary": "St Louis, Missouri • New York, New York • Houston, Texas",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05074875"
    },
    {
      "nct_id": "NCT02368340",
      "title": "A Longitudinal Study of Hermansky-Pudlak Syndrome Pulmonary Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hermansky Pudlak Syndrome"
      ],
      "interventions": [
        {
          "name": "Pulmonary function test",
          "type": "OTHER"
        },
        {
          "name": "Chest CT",
          "type": "OTHER"
        },
        {
          "name": "Sample collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "12 Years to 90 Years"
      },
      "enrollment_count": 55,
      "start_date": "2015-03",
      "completion_date": "2019-10-15",
      "has_results": false,
      "last_update_posted_date": "2020-06-24",
      "last_synced_at": "2026-09-02T21:41:09.671Z",
      "location_count": 5,
      "location_summary": "Maywood, Illinois • Boston, Massachusetts • New York, New York + 2 more",
      "locations": [
        {
          "city": "Maywood",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02368340"
    },
    {
      "nct_id": "NCT00755079",
      "title": "Use of an Oral Beta-2 Agonist in Persons With Spinal Cord Injury",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Spinal Cord Injury"
      ],
      "interventions": [
        {
          "name": "extended release beta-2 adrenergic agonist",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 40,
      "start_date": "2007-04",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2015-03-17",
      "last_synced_at": "2026-09-02T21:41:09.671Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00755079"
    },
    {
      "nct_id": "NCT05568927",
      "title": "Validation of SEARCH, a Novel Hierarchical Algorithm to Define Long-term Outcomes After Pulmonary Embolism",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Embolism",
        "Chronic Thromboembolic Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "SEARCH algorithm",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2022-11-15",
      "completion_date": "2025-06-13",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-09-02T21:41:09.671Z",
      "location_count": 8,
      "location_summary": "Fresno, California • Irvine, California • Los Angeles, California + 5 more",
      "locations": [
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Moreno Valley",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05568927"
    },
    {
      "nct_id": "NCT06075095",
      "title": "A Study to Investigate the Effect on Lung Function of an Approved COPD Treatment (BGF, With HFA Propellant) Compared to BGF Formulated With a Next-Generation Propellant in Participants 40 to 80 Years of Age With COPD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COPD (Chronic Obstructive Pulmonary Disease)"
      ],
      "interventions": [
        {
          "name": "BGF MDI HFO 320/14.4/9.6μg",
          "type": "DRUG"
        },
        {
          "name": "BGF MDI HFA 320/14.4/9.6 μg",
          "type": "DRUG"
        },
        {
          "name": "Placebo MDI HFA",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 297,
      "start_date": "2024-01-11",
      "completion_date": "2025-08-12",
      "has_results": false,
      "last_update_posted_date": "2025-08-27",
      "last_synced_at": "2026-09-02T21:41:09.671Z",
      "location_count": 19,
      "location_summary": "Sheffield, Alabama • Clearwater, Florida • Gainesville, Florida + 16 more",
      "locations": [
        {
          "city": "Sheffield",
          "state": "Alabama"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06075095"
    },
    {
      "nct_id": "NCT01710449",
      "title": "Evaluation of Regional Ventilation Using 19F MRI of Inert Perfluorinated Gases Mixed With Oxygen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COPD",
        "Asthma",
        "Cystic Fibrosis",
        "Emphysema",
        "Small Airways Diseases"
      ],
      "interventions": [
        {
          "name": "perfluorinated gas/oxygen mixture",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hal C Charles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2009-09",
      "completion_date": "2012-10",
      "has_results": false,
      "last_update_posted_date": "2013-12-09",
      "last_synced_at": "2026-09-02T21:41:09.671Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01710449"
    },
    {
      "nct_id": "NCT02911142",
      "title": "Lenalidomide Combined With Modified DA-EPOCH and Rituximab (EPOCH-R2) in Primary Effusion Lymphoma or KSHV-associated Large Cell Lymphoma",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Primary Effusion Lymphoma",
        "B-Cell Neoplasm"
      ],
      "interventions": [
        {
          "name": "Lenalidomide",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "CT of neck, chest, abdomen and pelvis",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "18FDG-PET scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MRI Brain",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bone marrow biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "EKG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bronchoscopy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Endoscopy",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CXR: PA/lat/decub",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2017-07-03",
      "completion_date": "2028-10-01",
      "has_results": true,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-09-02T21:41:09.671Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02911142"
    },
    {
      "nct_id": "NCT04210050",
      "title": "Sleep Ventilation for Patients With Advanced Hypercapnic COPD",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COPD"
      ],
      "interventions": [
        {
          "name": "Home noninvasive nocturnal ventilation with Breas VIVO 50 home ventilator or newer model as available, Breas Medical.",
          "type": "DEVICE"
        },
        {
          "name": "Arterial blood gas (ABG) and serum bicarbonate level",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Overnight home oximetry and transcutaneous CO2 monitoring",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Beth Israel Deaconess 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": 0,
      "start_date": "2020-09-30",
      "completion_date": "2026-07",
      "has_results": false,
      "last_update_posted_date": "2023-01-04",
      "last_synced_at": "2026-09-02T21:41:09.671Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04210050"
    },
    {
      "nct_id": "NCT07132788",
      "title": "Understanding the Effects of Pulmonary Arterial Hypertension on Lean Muscle Mass",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pulmonary Hypertension"
      ],
      "interventions": [
        {
          "name": "blood draw",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Short Performance Physical Battery",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Grip strength test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Six minute walk test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Chest CT scan",
          "type": "RADIATION"
        },
        {
          "name": "Dual-Energy X-ray Absorptiometry Scan",
          "type": "RADIATION"
        },
        {
          "name": "Activity monitoring",
          "type": "BEHAVIORAL"
        },
        {
          "name": "24 hour diet recall",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Quality of Life Questionnaire (emPHasis 10)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "International Physical Activity Questionnaire Short Form (IPAQ-SF)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "RADIATION",
        "BEHAVIORAL"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2025-05-01",
      "completion_date": "2029-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-02T21:41:09.671Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania • Providence, Rhode Island",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07132788"
    }
  ]
}