{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lung-function+spirometry+test&page=4",
    "query": {
      "intervention": "Lung-function spirometry test",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 97,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lung-function+spirometry+test&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lung-function+spirometry+test&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T15:04:45.319Z",
  "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": "NCT03776747",
      "title": "Repeatability in Hyperpolarized 3-Helium With MRI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Radiation Exposure"
      ],
      "interventions": [
        {
          "name": "Prone hyperpolarized 3 helium gas scan",
          "type": "DRUG"
        },
        {
          "name": "Supine hyperpolarized 3 helium gas scan",
          "type": "DRUG"
        },
        {
          "name": "Vitals",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pulmonary Function Tests",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Initial protocol MRI scan",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Eric A. Hoffman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 18,
      "start_date": "2008-07-22",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2023-11-01",
      "last_synced_at": "2026-10-28T15:04:45.319Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03776747"
    },
    {
      "nct_id": "NCT02099955",
      "title": "Vitamin D Deficiency and Replacement on Pulmonary and Endocrine Function in SCI",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Spinal Cord Injury",
        "Vitamin D Deficiency"
      ],
      "interventions": [
        {
          "name": "Vitamin D3",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "James J. Peters Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 88,
      "start_date": "2012-01",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2017-03-07",
      "last_synced_at": "2026-10-28T15:04:45.319Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02099955"
    },
    {
      "nct_id": "NCT03793439",
      "title": "Tofacitinib Hypothesis-generating, Pilot Study for Corticosteroid-Dependent Sarcoidosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Sarcoidosis, Pulmonary",
        "Sarcoidosis Lung",
        "Sarcoidosis"
      ],
      "interventions": [
        {
          "name": "Tofacitinib 5mg Oral Tablet [Xeljanz] 16 week trial",
          "type": "DRUG"
        },
        {
          "name": "Spirometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "RNA Sequencing",
          "type": "GENETIC"
        },
        {
          "name": "Laboratory testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Corticosteroid",
          "type": "DRUG"
        },
        {
          "name": "Tofacitinib 5mg [Xeljanz] 1 year open-label extension",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "GENETIC"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 5,
      "start_date": "2019-05-15",
      "completion_date": "2021-06-24",
      "has_results": true,
      "last_update_posted_date": "2022-02-18",
      "last_synced_at": "2026-10-28T15:04:45.319Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03793439"
    },
    {
      "nct_id": "NCT05106569",
      "title": "Telespirometry in Amyotrophic Lateral Sclerosis (ALS)",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amyotrophic Lateral Sclerosis"
      ],
      "interventions": [
        {
          "name": "Spirometry",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "State University of New York - Upstate Medical University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 100,
      "start_date": "2021-04-28",
      "completion_date": "2024-12-30",
      "has_results": false,
      "last_update_posted_date": "2023-06-13",
      "last_synced_at": "2026-10-28T15:04:45.319Z",
      "location_count": 2,
      "location_summary": "Syracuse, New York • Charlotte, North Carolina",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05106569"
    },
    {
      "nct_id": "NCT00914147",
      "title": "Lung Function Testing in Patients With Locally Advanced or Metastatic Solid Tumors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Unspecified Adult Solid Tumor, Protocol Specific"
      ],
      "interventions": [
        {
          "name": "pulmonary function testing",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Barbara Ann Karmanos Cancer Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 48,
      "start_date": "2009-05",
      "completion_date": "2012-08-23",
      "has_results": false,
      "last_update_posted_date": "2021-03-08",
      "last_synced_at": "2026-10-28T15:04:45.319Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00914147"
    },
    {
      "nct_id": "NCT04913311",
      "title": "Predictive Biomarkers for Pneumonitis After Chemoradiotherapy and Immunotherapy in Patients With Non-small Cell Lung Cancer",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Non-Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Bronchoscopy with Bronchoalveolar Lavage",
          "type": "PROCEDURE"
        },
        {
          "name": "Chemoradiotherapy",
          "type": "OTHER"
        },
        {
          "name": "Computed Tomography",
          "type": "PROCEDURE"
        },
        {
          "name": "Diagnostic Laboratory Biomarker Analysis",
          "type": "OTHER"
        },
        {
          "name": "Immune Checkpoint Inhibitor",
          "type": "DRUG"
        },
        {
          "name": "Nasal Wash and Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Quality-of-Life Assessment",
          "type": "OTHER"
        },
        {
          "name": "Questionnaire Administration",
          "type": "OTHER"
        },
        {
          "name": "Spirometry",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER",
        "DRUG"
      ],
      "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": 150,
      "start_date": "2021-01-21",
      "completion_date": "2027-02-02",
      "has_results": false,
      "last_update_posted_date": "2026-08-11",
      "last_synced_at": "2026-10-28T15:04:45.319Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04913311"
    },
    {
      "nct_id": "NCT02024204",
      "title": "Uncontrolled Lower Respiratory Symptoms in the WTC Survivor Program",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lung Diseases",
        "Medication Compliance"
      ],
      "interventions": [
        {
          "name": "Fluticasone propionate 230mcg for 3 Months",
          "type": "DRUG"
        },
        {
          "name": "Current Treatment or no treatment",
          "type": "DRUG"
        },
        {
          "name": "Salmeterol 21mcg for 3 Months",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 60,
      "start_date": "2014-04-09",
      "completion_date": "2017-05-17",
      "has_results": true,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-10-28T15:04:45.319Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02024204"
    },
    {
      "nct_id": "NCT01907321",
      "title": "Cough and Swallow Rehab Following Stroke",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Ischemic Stroke"
      ],
      "interventions": [
        {
          "name": "Expiratory muscle strength training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Placebo expiratory training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Measures performed on all subjects",
          "type": "DRUG"
        },
        {
          "name": "Pulmonary function test",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Fluoroscopic swallow study",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DRUG",
        "RADIATION"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "50 Years to 85 Years"
      },
      "enrollment_count": 14,
      "start_date": "2011-01",
      "completion_date": "2015-04",
      "has_results": true,
      "last_update_posted_date": "2017-01-27",
      "last_synced_at": "2026-10-28T15:04:45.319Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida • Jacksonville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01907321"
    },
    {
      "nct_id": "NCT04205708",
      "title": "Screening Strategy for Early Diagnosis of Silicosis in At-Risk Populations in Oklahoma",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Silicosis",
        "Pneumoconiosis; Silica"
      ],
      "interventions": [
        {
          "name": "Tuberculosis test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Chest X-ray",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Pulmonary Function Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "30 Years and older"
      },
      "enrollment_count": 183,
      "start_date": "2019-01-14",
      "completion_date": "2022-06-10",
      "has_results": false,
      "last_update_posted_date": "2023-12-06",
      "last_synced_at": "2026-10-28T15:04:45.319Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04205708"
    },
    {
      "nct_id": "NCT01104402",
      "title": "Early Intervention in Cystic Fibrosis Exacerbation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Home lung function and symptom monitoring",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "14 Years and older"
      },
      "enrollment_count": 267,
      "start_date": "2011-10",
      "completion_date": "2015-09",
      "has_results": true,
      "last_update_posted_date": "2017-10-23",
      "last_synced_at": "2026-10-28T15:04:45.319Z",
      "location_count": 3,
      "location_summary": "Baltimore, Maryland • Seattle, Washington",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01104402"
    }
  ]
}