{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=spirometry+test&page=4",
    "query": {
      "intervention": "spirometry test",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 210,
    "total_pages": 21,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=spirometry+test&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=spirometry+test&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T13:03:48.819Z",
  "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": "NCT03497117",
      "title": "19F MRI of Ventilation in Subjects With Cystic Fibrosis Undergoing Treatment for Pulmonary Exacerbation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Lung Clearance Index",
          "type": "DEVICE"
        },
        {
          "name": "MRI with PFP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 5,
      "start_date": "2015-08-25",
      "completion_date": "2019-09-13",
      "has_results": false,
      "last_update_posted_date": "2020-10-09",
      "last_synced_at": "2026-10-23T13:03:48.819Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03497117"
    },
    {
      "nct_id": "NCT07288827",
      "title": "Examining Bronchial Hyperresponsiveness in Primary Ciliary Dyskinesia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Primary Ciliary Dyskinesia",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Lung Function Testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Phlebotomy",
          "type": "PROCEDURE"
        },
        {
          "name": "Allergy skin prick testing",
          "type": "PROCEDURE"
        },
        {
          "name": "Methacholine Challenge",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "6 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2023-05-04",
      "completion_date": "2028-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-17",
      "last_synced_at": "2026-10-23T13:03:48.819Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07288827"
    },
    {
      "nct_id": "NCT01974154",
      "title": "COPD Metabolome, Smoking Oxidants and Aberrant Ciliated Cell Function",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COPD",
        "Smoking"
      ],
      "interventions": [
        {
          "name": "Cohort I",
          "type": "OTHER"
        },
        {
          "name": "Cohort II",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 206,
      "start_date": "2013-12",
      "completion_date": "2019-05",
      "has_results": false,
      "last_update_posted_date": "2020-07-30",
      "last_synced_at": "2026-10-23T13:03:48.819Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01974154"
    },
    {
      "nct_id": "NCT00850551",
      "title": "Early Intervention in Pulmonary Exacerbation in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Early Intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2009-01",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2016-12-01",
      "last_synced_at": "2026-10-23T13:03:48.819Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00850551"
    },
    {
      "nct_id": "NCT02068183",
      "title": "World Trade Center Adolescent Health Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Hypertension",
        "Cardiovascular Risk Factor",
        "Insulin Resistance",
        "Stress Disorders, Post-Traumatic",
        "Exposure to Toxic Dust"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "12 Years to 20 Years"
      },
      "enrollment_count": 402,
      "start_date": "2013-12",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2017-01-24",
      "last_synced_at": "2026-10-23T13:03:48.819Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02068183"
    },
    {
      "nct_id": "NCT05997225",
      "title": "Tobacco Cessation at FDNY",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tobacco Use",
        "Tobacco Smoking",
        "Tobacco Use Cessation"
      ],
      "interventions": [
        {
          "name": "opt out enrollment, tailored counseling, varenicline started prior to target quit date",
          "type": "OTHER"
        },
        {
          "name": "opt in enrollment, non-tailored counseling, varenicline started prior to target quit date",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Albert Einstein College of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2024-05-31",
      "completion_date": "2025-10-13",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-10-23T13:03:48.819Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05997225"
    },
    {
      "nct_id": "NCT00932646",
      "title": "Characterisation of 24-hour FEV1-time Profiles of Inhaled BI 1744 CL and Inhaled Foradil in Patients With Chronic Obstructive Pulmonary Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "BI 1744 (Olodaterol) Low Dose",
          "type": "DRUG"
        },
        {
          "name": "BI 1744 (Olodaterol) Medium Dose",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Foradil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Boehringer Ingelheim",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2009-06",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2016-02-05",
      "last_synced_at": "2026-10-23T13:03:48.819Z",
      "location_count": 13,
      "location_summary": "Jasper, Alabama • Clearwater, Florida • DeLand, Florida + 10 more",
      "locations": [
        {
          "city": "Jasper",
          "state": "Alabama"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "DeLand",
          "state": "Florida"
        },
        {
          "city": "Winter Park",
          "state": "Florida"
        },
        {
          "city": "Austell",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00932646"
    },
    {
      "nct_id": "NCT06106646",
      "title": "Vitamin C to Decrease Effects of Smoking in Pregnancy on Infant Lung Function (VCSIP) Longer Term Follow Up",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma",
        "Pulmonary Function",
        "Wheezing",
        "In Utero Nicotine"
      ],
      "interventions": [
        {
          "name": "No active intervention in this protocol (previously randomized to Vitamin C)",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "No active intervention in this protocol (previously randomized to Placebo)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "6 Years to 16 Years"
      },
      "enrollment_count": 225,
      "start_date": "2023-10-11",
      "completion_date": "2028-08",
      "has_results": false,
      "last_update_posted_date": "2025-03-18",
      "last_synced_at": "2026-10-23T13:03:48.819Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • Portland, Oregon",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06106646"
    },
    {
      "nct_id": "NCT02952027",
      "title": "Evaluating the Effectiveness of Incentive Spirometry",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dyspnea",
        "Respiratory Rate",
        "Oxygen Saturation",
        "Oxygen Requirements",
        "FEV1",
        "FVC",
        "Atelectasis",
        "Pneumonia",
        "Re-intubation",
        "Hospital Length of Stay",
        "Nursing Workload",
        "Incentive Spirometry"
      ],
      "interventions": [
        {
          "name": "Use-recording, patient-reminder alarm for incentive spirometry",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Lifespan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2016-08",
      "completion_date": "2018-01",
      "has_results": false,
      "last_update_posted_date": "2018-08-07",
      "last_synced_at": "2026-10-23T13:03:48.819Z",
      "location_count": 1,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02952027"
    },
    {
      "nct_id": "NCT04381494",
      "title": "Mobile Devices to Detect Early Pneumonitis in Stage III NSCLC Patients on Durvalumab.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Unresectable Stage III NSCLC"
      ],
      "interventions": [
        {
          "name": "Multiparametric Mobile Technology",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "130 Years",
        "sex": "ALL",
        "summary": "18 Years to 130 Years"
      },
      "enrollment_count": 40,
      "start_date": "2020-04-27",
      "completion_date": "2022-01-27",
      "has_results": true,
      "last_update_posted_date": "2023-06-22",
      "last_synced_at": "2026-10-23T13:03:48.819Z",
      "location_count": 18,
      "location_summary": "Long Beach, California • Santa Ana, California • Englewood, Colorado + 15 more",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Santa Ana",
          "state": "California"
        },
        {
          "city": "Englewood",
          "state": "Colorado"
        },
        {
          "city": "Plainville",
          "state": "Connecticut"
        },
        {
          "city": "Boca Raton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04381494"
    }
  ]
}