{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lung-function+spirometry+test",
    "query": {
      "intervention": "Lung-function spirometry test"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "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=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T21:16:17.977Z",
  "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": "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": "2026-09-11T21:16:17.977Z",
      "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"
    },
    {
      "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": "2026-09-11T21:16:17.977Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03793439"
    },
    {
      "nct_id": "NCT03709199",
      "title": "Long Term Follow up of Children Enrolled in the REDvent Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Distress Syndrome, Adult",
        "Ventilator-Induced Lung Injury",
        "Neurocognitive Dysfunction",
        "Quality of Life",
        "Respiration Disorders"
      ],
      "interventions": [
        {
          "name": "Ventilation Inhomogeneity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Diaphragm Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Respiratory Inductance Plethysmography",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Spirometry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Functional Residual Capacity",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MIP/MEP",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "6 minute walk test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Neurocognitive Testing",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Emotional Health Assessment",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Health Related Quality of Life",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Functional Status",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Respiratory Status Questionnaire",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Children's Hospital Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "1 Month to 18 Years"
      },
      "enrollment_count": 176,
      "start_date": "2018-10-01",
      "completion_date": "2026-05-01",
      "has_results": false,
      "last_update_posted_date": "2025-04-17",
      "last_synced_at": "2026-09-11T21:16:17.977Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03709199"
    },
    {
      "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": "2026-09-11T21:16:17.977Z",
      "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": "NCT06933758",
      "title": "Temple Health Chest Initiative (THCI 2.0)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Obstructive Pulmonary Disease (COPD)"
      ],
      "interventions": [
        {
          "name": "Determine COPD prevalence utilizing spirometry along with CT scans and symptom assessments in the THCI lung cancer screening populatio",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Temple University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "50 Years to 80 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2025-02-28",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-04-18",
      "last_synced_at": "2026-09-11T21:16:17.977Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06933758"
    },
    {
      "nct_id": "NCT02431455",
      "title": "The Effect of Postoperative Incentive Spirometry on Pulmonary Function and Pulmonary Complications in Bariatric Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obesity, Morbid",
        "Complications of Bariatric Procedures",
        "Pulmonary Atelectasis",
        "Pneumonia"
      ],
      "interventions": [
        {
          "name": "Incentive spirometer",
          "type": "DEVICE"
        },
        {
          "name": "No incentive spirometer",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Lahey Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 224,
      "start_date": "2015-06",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2016-08-25",
      "last_synced_at": "2026-09-11T21:16:17.977Z",
      "location_count": 1,
      "location_summary": "Burlington, Massachusetts",
      "locations": [
        {
          "city": "Burlington",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02431455"
    },
    {
      "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": "2026-09-11T21:16:17.977Z",
      "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": "NCT05350332",
      "title": "Effects of Lung Volume on Upper Airway Patency During Drug Induced Sleep Endoscopy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Negative Pressure Ventilator",
          "type": "DEVICE"
        },
        {
          "name": "Pulmonary Function Testing (PFT)",
          "type": "DEVICE"
        },
        {
          "name": "Transcutaneous Phrenic Nerve Stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Percutaneous Phrenic Nerve Stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 151,
      "start_date": "2022-06-30",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-08-26",
      "last_synced_at": "2026-09-11T21:16:17.977Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05350332"
    },
    {
      "nct_id": "NCT04564183",
      "title": "Advancing Prevention of Pulmonary Fibrosis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "IPF",
        "Pulmonary Fibrosis",
        "ILD"
      ],
      "interventions": [
        {
          "name": "Sample collection",
          "type": "OTHER"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "High resolution CT scan of the chest",
          "type": "RADIATION"
        },
        {
          "name": "Pulmonary Function Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "OTHER",
        "RADIATION",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Colorado, Denver",
      "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": 800,
      "start_date": "2021-01-22",
      "completion_date": "2026-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-09-11T21:16:17.977Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04564183"
    },
    {
      "nct_id": "NCT02407301",
      "title": "Cough in Reduced True Vocal Fold Mobility",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Unilateral Vocal Cord Paresis",
        "Unilateral Vocal Cord Paralysis"
      ],
      "interventions": [
        {
          "name": "cough airflow measure",
          "type": "OTHER"
        },
        {
          "name": "vocal tasks",
          "type": "OTHER"
        },
        {
          "name": "true vocal fold movement",
          "type": "OTHER"
        },
        {
          "name": "spirometry test",
          "type": "OTHER"
        },
        {
          "name": "maximum expiratory pressure (MEP)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "40 Years to 75 Years"
      },
      "enrollment_count": 15,
      "start_date": "2015-04",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2016-05-13",
      "last_synced_at": "2026-09-11T21:16:17.977Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02407301"
    }
  ]
}