{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=spirometry&page=4",
    "query": {
      "intervention": "spirometry",
      "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&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=spirometry&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T07:42:53.843Z",
  "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": "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": "2026-10-19T07:42:53.843Z",
      "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": "NCT01621685",
      "title": "Human Safety of Capsaicin Inhalation Challenge Testing for Young and Older Men",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "COPD"
      ],
      "interventions": [
        {
          "name": "biological/vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "92 Years",
        "sex": "MALE",
        "summary": "19 Years to 92 Years · Male only"
      },
      "enrollment_count": 40,
      "start_date": "2004-09",
      "completion_date": "2007-09",
      "has_results": false,
      "last_update_posted_date": "2012-06-18",
      "last_synced_at": "2026-10-19T07:42:53.843Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01621685"
    },
    {
      "nct_id": "NCT01980485",
      "title": "The Get Quit - Stay Quit Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nicotine Dependent Cigarette Smoker"
      ],
      "interventions": [
        {
          "name": "Lung Age feedback and exhaled carbon monoxide",
          "type": "BEHAVIORAL"
        },
        {
          "name": "No Lung Age Feedback",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Milton S. Hershey Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 225,
      "start_date": "2012-01",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2019-02-26",
      "last_synced_at": "2026-10-19T07:42:53.843Z",
      "location_count": 4,
      "location_summary": "Harrisburg, Pennsylvania • Hershey, Pennsylvania • Palmyra, Pennsylvania",
      "locations": [
        {
          "city": "Harrisburg",
          "state": "Pennsylvania"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        },
        {
          "city": "Palmyra",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01980485"
    },
    {
      "nct_id": "NCT02034370",
      "title": "Effect of Interscalene Block on Obstructive Sleep Apnea in Shoulder Surgery Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obstructive Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Lung-function spirometry test",
          "type": "DEVICE"
        },
        {
          "name": "Overnight sleep test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2014-03",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2016-11-30",
      "last_synced_at": "2026-10-19T07:42:53.843Z",
      "location_count": 2,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02034370"
    },
    {
      "nct_id": "NCT02584751",
      "title": "GERD and Anti-Reflux Therapy Between Able-bodied and SCI Individuals",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Gastro Esophageal Reflux Disorder"
      ],
      "interventions": [
        {
          "name": "Omeprazole",
          "type": "DRUG"
        },
        {
          "name": "24 Hour pH Monitor",
          "type": "DEVICE"
        },
        {
          "name": "Pulmonary Function Examination",
          "type": "PROCEDURE"
        },
        {
          "name": "Exhaled Nitric Oxide",
          "type": "PROCEDURE"
        },
        {
          "name": "Exhaled Breath Concentrate (EBC)",
          "type": "PROCEDURE"
        },
        {
          "name": "Bernstein's Acid Clearance Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Esophageal Motility",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "James J. Peters Veterans Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 110,
      "start_date": "2016-08",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2016-11-15",
      "last_synced_at": "2026-10-19T07:42:53.843Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02584751"
    },
    {
      "nct_id": "NCT04100512",
      "title": "Oscillating Positive Expiratory Pressure (OPEP) Therapy in Trauma Patients With Multiple Rib Fractures",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rib Fractures",
        "Respiratory Complication"
      ],
      "interventions": [
        {
          "name": "Oscillating Positive Expiratory Pressure Device",
          "type": "DEVICE"
        },
        {
          "name": "Incentive spirometry",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Poudre Valley Health System",
      "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": "2019-10-21",
      "completion_date": "2023-10-31",
      "has_results": false,
      "last_update_posted_date": "2022-12-19",
      "last_synced_at": "2026-10-19T07:42:53.843Z",
      "location_count": 1,
      "location_summary": "Loveland, Colorado",
      "locations": [
        {
          "city": "Loveland",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04100512"
    },
    {
      "nct_id": "NCT01343524",
      "title": "Changes in Lung Function Based on Differences in Spirometry Equipment Used in Children With Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "State University of New York - Upstate Medical University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "4 Years to 21 Years"
      },
      "enrollment_count": 14,
      "start_date": "2010-03",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-01-05",
      "last_synced_at": "2026-10-19T07:42:53.843Z",
      "location_count": 1,
      "location_summary": "Syracuse, New York",
      "locations": [
        {
          "city": "Syracuse",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01343524"
    },
    {
      "nct_id": "NCT02302417",
      "title": "Study Assessing Utility of a Clinical Questionnaire to Identify Subjects With Features of Both Asthma and Chronic Obstructive Pulmonary Disease (COPD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pulmonary Disease, Chronic Obstructive"
      ],
      "interventions": [
        {
          "name": "Spirometry",
          "type": "PROCEDURE"
        },
        {
          "name": "ACOS clinical questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1215,
      "start_date": "2015-01-01",
      "completion_date": "2015-05-28",
      "has_results": false,
      "last_update_posted_date": "2017-09-11",
      "last_synced_at": "2026-10-19T07:42:53.843Z",
      "location_count": 12,
      "location_summary": "Newport Beach, California • Upland, California • Sunset, Louisiana + 9 more",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Upland",
          "state": "California"
        },
        {
          "city": "Sunset",
          "state": "Louisiana"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02302417"
    },
    {
      "nct_id": "NCT03864354",
      "title": "Asthma and Osteopathic Manipulative Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "Osteopathic Manipulative Treatment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Des Moines University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2018-11-05",
      "completion_date": "2019-01-10",
      "has_results": false,
      "last_update_posted_date": "2019-03-06",
      "last_synced_at": "2026-10-19T07:42:53.843Z",
      "location_count": 1,
      "location_summary": "Des Moines, Iowa",
      "locations": [
        {
          "city": "Des Moines",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03864354"
    },
    {
      "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": "2026-10-19T07:42:53.843Z",
      "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"
    }
  ]
}