{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diaphragm+Ultrasound",
    "query": {
      "intervention": "Diaphragm Ultrasound"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 24,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Diaphragm+Ultrasound&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T09:34:15.061Z",
  "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": "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": "2026-09-11T09:34:15.061Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05350332"
    },
    {
      "nct_id": "NCT03989076",
      "title": "Inferior Vena Cava (IVC) Diameters Before & After Interscalene Block",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "IVC - Inferior Vena Cava Abnormality"
      ],
      "interventions": [
        {
          "name": "Interscalene Brachial Plexus Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Diego",
      "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": "2019-04-12",
      "completion_date": "2021-07-14",
      "has_results": false,
      "last_update_posted_date": "2021-07-21",
      "last_synced_at": "2026-09-11T09:34:15.061Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03989076"
    },
    {
      "nct_id": "NCT03807505",
      "title": "Erector Spinae Plane Versus Interscalene Blocks for Shoulder Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia, Local",
        "Phrenic Nerve Paralysis",
        "Upper Extremity Injury",
        "Shoulder Injury"
      ],
      "interventions": [
        {
          "name": "Interscalene brachial plexus nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Erector spinae plane block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2019-06-13",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-03-05",
      "last_synced_at": "2026-09-11T09:34:15.061Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03807505"
    },
    {
      "nct_id": "NCT02631122",
      "title": "Supraclavicular Block vs Retroclavicular Block: Incidence of Phrenic Nerve Paralysis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Phrenic Nerve Paralysis"
      ],
      "interventions": [
        {
          "name": "Supraclavicular vs Retroclavicular Nerve Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2017-12-07",
      "completion_date": "2019-06-21",
      "has_results": false,
      "last_update_posted_date": "2019-10-22",
      "last_synced_at": "2026-09-11T09:34:15.061Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02631122"
    },
    {
      "nct_id": "NCT03139695",
      "title": "Using Ultrasound to Study Respiratory Muscle Function in Critically Ill Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Injury of Diaphragm",
        "Mechanical Ventilation Complication",
        "Critical Illness"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 75,
      "start_date": "2012-11",
      "completion_date": "2016-07-01",
      "has_results": false,
      "last_update_posted_date": "2017-11-08",
      "last_synced_at": "2026-09-11T09:34:15.061Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03139695"
    },
    {
      "nct_id": "NCT06739356",
      "title": "North American Fetal Therapy Network for Long-term Outcome Following Fetoscopic Endoluminal Tracheal Occlusion in Severe Left and Right Congenital Diaphragmatic Hernia",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Diaphragmatic Hernia"
      ],
      "interventions": [
        {
          "name": "Fetal Treatment arm (FETO Group)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 80,
      "start_date": "2025-03-04",
      "completion_date": "2031-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-08-19",
      "last_synced_at": "2026-09-11T09:34:15.061Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06739356"
    },
    {
      "nct_id": "NCT03677778",
      "title": "Interscalene Brachial Plexus Block Washout to Reverse Inadvertent Phrenic Nerve Blockade",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia, Local",
        "Phrenic Nerve Paralysis",
        "Upper Extremity Injury",
        "Phrenic Nerve Palsy on the Left",
        "Phrenic Nerve Palsy on the Right"
      ],
      "interventions": [
        {
          "name": "Normal saline injected via interscalene nerve catheter",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 43,
      "start_date": "2018-10-22",
      "completion_date": "2022-07-07",
      "has_results": false,
      "last_update_posted_date": "2022-08-02",
      "last_synced_at": "2026-09-11T09:34:15.061Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03677778"
    },
    {
      "nct_id": "NCT02656199",
      "title": "Change In Diaphragmatic Thickness Predicts Extubation Success",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Mechanical Ventilation Complication"
      ],
      "interventions": [
        {
          "name": "Diaphragm Ultrasound",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Albert Einstein Healthcare Network",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 57,
      "start_date": "2015-01",
      "completion_date": "2017-01-13",
      "has_results": true,
      "last_update_posted_date": "2020-03-09",
      "last_synced_at": "2026-09-11T09:34:15.061Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02656199"
    },
    {
      "nct_id": "NCT05856136",
      "title": "A Study to Investigate of the Effects of Opioid Exposure on the Ability of the Diaphragm Muscle",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Respiratory Function Loss",
        "Respiratory Complication"
      ],
      "interventions": [
        {
          "name": "Fentanyl Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 69,
      "start_date": "2023-06-19",
      "completion_date": "2027-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-23",
      "last_synced_at": "2026-09-11T09:34:15.061Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05856136"
    },
    {
      "nct_id": "NCT01451281",
      "title": "Studying Skeletal Muscle, Heart, and Diaphragm Imaging in Boys With Duchenne Muscular Dystrophy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Muscular Dystrophy",
        "Muscular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "17 Years",
        "sex": "MALE",
        "summary": "5 Years to 17 Years · Male only"
      },
      "enrollment_count": 35,
      "start_date": "2011-09-15",
      "completion_date": "2019-05-20",
      "has_results": false,
      "last_update_posted_date": "2019-05-22",
      "last_synced_at": "2026-09-11T09:34:15.061Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01451281"
    }
  ]
}