{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Respiratory+function+tests&page=11",
    "query": {
      "intervention": "Respiratory function tests",
      "page": 11
    },
    "page_size": 10
  },
  "pagination": {
    "page": 11,
    "page_size": 10,
    "total_count": 520,
    "total_pages": 52,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Respiratory+function+tests&page=12&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Respiratory+function+tests&page=10&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-30T03:19:11.790Z",
  "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": "NCT01154699",
      "title": "Positive Airway Pressure for the Treatment of Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Asthma",
        "Sleep Apnea"
      ],
      "interventions": [
        {
          "name": "Bilevel PAP (4 weeks)",
          "type": "DEVICE"
        },
        {
          "name": "Usual Care (4 weeks)",
          "type": "OTHER"
        },
        {
          "name": "Washout Period (4 weeks)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "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": 31,
      "start_date": "2010-07",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2017-05-17",
      "last_synced_at": "2026-10-30T03:19:11.790Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01154699"
    },
    {
      "nct_id": "NCT02597478",
      "title": "Fentanyl Sublingual Spray for Exercise-Induced Breakthrough Dyspnea",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Advanced Cancers"
      ],
      "interventions": [
        {
          "name": "Fentanyl Sublingual Spray",
          "type": "DRUG"
        },
        {
          "name": "Shuttle Walk Test",
          "type": "PROCEDURE"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mental Ability Tests",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Phone Call",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BEHAVIORAL"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "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": "2016-01-04",
      "completion_date": "2021-01-27",
      "has_results": true,
      "last_update_posted_date": "2021-02-09",
      "last_synced_at": "2026-10-30T03:19:11.790Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02597478"
    },
    {
      "nct_id": "NCT01765205",
      "title": "Newborn Screening for Critical Congenital Heart Disease",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Cardiovascular Malformation"
      ],
      "interventions": [
        {
          "name": "Pulse Oximetry using the INVOS (In Vivo Optical Spectroscopy) Cerebral/Somatic Oximeter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Hours",
        "maximum_age": "2 Weeks",
        "sex": "ALL",
        "summary": "12 Hours to 2 Weeks"
      },
      "enrollment_count": 20,
      "start_date": "2010-03",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2014-03-14",
      "last_synced_at": "2026-10-30T03:19:11.790Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01765205"
    },
    {
      "nct_id": "NCT03704766",
      "title": "Alpha-Defensin and Synovial Proteins to Improve Detection of Pediatric Septic Arthritis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Joint Infection",
        "Infection of Hip Joint (Disorder)",
        "Infection of Shoulder Joint",
        "Septic Arthritis"
      ],
      "interventions": [
        {
          "name": "Synovial Alpha-defensin assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Neutrophil elastase assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial lactate assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial C-reactive Protein (CRP)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Staphylococcus spp antigen panel",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Candida spp antigen panel",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Enterococcus faecalis assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial bacterial culture by BacT/Alert",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Cell count + differential (CBC)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Gram Stain",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial Leukocyte Esterase Test Strips",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Synovial PCR for Kingella kingae",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum Cell count + differential (CBC)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum erythrocyte sedimentation rate (ESR)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum C-reactive Protein (CRP)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum D-dimer",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum Procalcitonin",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Blood Cultures",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Optional blood testing per standard of care (ASO, anti-strep, ANA, anti-DS-DNA, HLA-B27, RF, Lyme and other inflammatory/ rheumatologic markers )",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 442,
      "start_date": "2016-06-28",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-29",
      "last_synced_at": "2026-10-30T03:19:11.790Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • New York, New York • Collierville, Tennessee",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Collierville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03704766"
    },
    {
      "nct_id": "NCT06897670",
      "title": "Identifying Cerebral Hemodynamic Patterns in Mood Disorders and Mild Cognitive Impairment: A Functional Near-Infrared Spectroscopy (fNIRS) Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Major Depressive Disorder",
        "Bipolar Disorder",
        "Mild Cognitive Impairment"
      ],
      "interventions": [
        {
          "name": "Observational assessment using functional near-infrared spectroscopy (fNIRS), a noninvasive, portable brain imaging tool that measures changes in brain blood flow and oxygen levels.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2025-03-26",
      "completion_date": "2028-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-30T03:19:11.790Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06897670"
    },
    {
      "nct_id": "NCT02729077",
      "title": "Risk Factors for Post-Operative Respiratory Complications in Patients at Risk for OSA",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Complications"
      ],
      "interventions": [
        {
          "name": "Pulse Oximetry",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ohio State University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 324,
      "start_date": "2016-07",
      "completion_date": "2021-02-04",
      "has_results": false,
      "last_update_posted_date": "2021-02-24",
      "last_synced_at": "2026-10-30T03:19:11.790Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02729077"
    },
    {
      "nct_id": "NCT02057458",
      "title": "Blood Flow and Vascular Function in Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Sildenafil (Acute-1 hour)",
          "type": "DRUG"
        },
        {
          "name": "Sildenafil (Subchronic-4 weeks)",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Augusta University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 19,
      "start_date": "2014-04",
      "completion_date": "2018-07",
      "has_results": true,
      "last_update_posted_date": "2020-04-24",
      "last_synced_at": "2026-10-30T03:19:11.790Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02057458"
    },
    {
      "nct_id": "NCT02858310",
      "title": "E7 TCR T Cells for Human Papillomavirus-Associated Cancers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Papillomavirus Infections",
        "Cervical Intraepithelial Neoplasia",
        "Carcinoma In Situ",
        "Vulvar Neoplasms",
        "Vulvar Diseases"
      ],
      "interventions": [
        {
          "name": "E7 TCR cells",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Aldesleukin",
          "type": "DRUG"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "EKG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Chest CT and MRI or PET",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "PFT",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Granisetron",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Droperidol",
          "type": "DRUG"
        },
        {
          "name": "Prochlorperazine",
          "type": "DRUG"
        },
        {
          "name": "Diphenoxylate HCL",
          "type": "DRUG"
        },
        {
          "name": "Atropine sulfate",
          "type": "DRUG"
        },
        {
          "name": "Codeine sulfate",
          "type": "DRUG"
        },
        {
          "name": "Loperamide",
          "type": "DRUG"
        },
        {
          "name": "Indomethacin",
          "type": "DRUG"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Diphenhydramine HCL",
          "type": "DRUG"
        },
        {
          "name": "Hydroxyzine HCL",
          "type": "DRUG"
        },
        {
          "name": "Meperidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 224,
      "start_date": "2017-01-27",
      "completion_date": "2025-07-02",
      "has_results": true,
      "last_update_posted_date": "2026-03-09",
      "last_synced_at": "2026-10-30T03:19:11.790Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • New Brunswick, New Jersey",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02858310"
    },
    {
      "nct_id": "NCT03235297",
      "title": "Effects of Altitude on Single-Breath Diffusing Capacity for Carbon Monoxide",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COPD"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Intermountain Health Care, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "20 Years to 80 Years"
      },
      "enrollment_count": 23,
      "start_date": "2017-08-10",
      "completion_date": "2019-07-01",
      "has_results": false,
      "last_update_posted_date": "2020-02-12",
      "last_synced_at": "2026-10-30T03:19:11.790Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03235297"
    },
    {
      "nct_id": "NCT03617718",
      "title": "Project 2 Airway Potential Hydrogen (pH) in Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Cystic Fibrosis",
        "Asthma",
        "Severe Persistent Asthma",
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Glycine Buffer",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Case Western Reserve University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 74,
      "start_date": "2018-11-01",
      "completion_date": "2025-07-16",
      "has_results": false,
      "last_update_posted_date": "2025-08-15",
      "last_synced_at": "2026-10-30T03:19:11.790Z",
      "location_count": 2,
      "location_summary": "Indianapolis, Indiana • Cleveland, Ohio",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03617718"
    }
  ]
}