{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Interscalene+Block&page=4",
    "query": {
      "intervention": "Interscalene Block",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 106,
    "total_pages": 11,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Interscalene+Block&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Interscalene+Block&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T12:52:26.645Z",
  "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": "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": "2026-10-25T12:52:26.645Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03677778"
    },
    {
      "nct_id": "NCT02741713",
      "title": "Analgesic Benefit of PECS Blocks for Biceps Tenodesis Shoulder Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Biceps Tendonitis"
      ],
      "interventions": [
        {
          "name": "PECS \"Pectoralis\" 1 and 2 Blocks",
          "type": "PROCEDURE"
        },
        {
          "name": "Interscalene Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Sham Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Solution for Injection in Interscalene Block",
          "type": "DRUG"
        },
        {
          "name": "Solution for Injection in Sham Block",
          "type": "DRUG"
        },
        {
          "name": "Solution for Injection PECS Blocks",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 40,
      "start_date": "2016-04",
      "completion_date": "2017-06-29",
      "has_results": true,
      "last_update_posted_date": "2018-08-27",
      "last_synced_at": "2026-10-25T12:52:26.645Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02741713"
    },
    {
      "nct_id": "NCT03540030",
      "title": "Opioid-Free Shoulder Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Opioid Use",
        "Shoulder Osteoarthritis",
        "Avascular Necrosis",
        "Rotator Cuff Tear",
        "Arthritis;Inflammatory"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Celecoxib",
          "type": "DRUG"
        },
        {
          "name": "toradol",
          "type": "DRUG"
        },
        {
          "name": "acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "regional block",
          "type": "DRUG"
        },
        {
          "name": "propofol",
          "type": "DRUG"
        },
        {
          "name": "IV lidocaine",
          "type": "DRUG"
        },
        {
          "name": "rocuronium",
          "type": "DRUG"
        },
        {
          "name": "vecuronium",
          "type": "DRUG"
        },
        {
          "name": "sevoflurane",
          "type": "DRUG"
        },
        {
          "name": "desflurane",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "OrthoCarolina Research Institute, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 86,
      "start_date": "2016-09",
      "completion_date": "2019-06",
      "has_results": true,
      "last_update_posted_date": "2020-10-14",
      "last_synced_at": "2026-10-25T12:52:26.645Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03540030"
    },
    {
      "nct_id": "NCT04209504",
      "title": "Evaluating Hemidiaphragmatic Paralysis With Prolonged Neural Blockade From an Interscalene Brachial Plexus Block",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Shoulder Surgery",
        "Shoulder Pain",
        "Shoulder Injuries",
        "Shoulder Arthritis",
        "Shoulder Disease",
        "Rotator Cuff Tears",
        "Rotator Cuff Injuries",
        "Rotator Cuff Arthropathy of Left Shoulder",
        "Rotator Cuff Arthropathy of Right Shoulder",
        "Rotator Cuff Repair"
      ],
      "interventions": [
        {
          "name": "Ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "MediPines AGM100 Advanced Respiratory Monitoring System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 60,
      "start_date": "2021-10-12",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-10-15",
      "last_synced_at": "2026-10-25T12:52:26.645Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04209504"
    },
    {
      "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": "2026-10-25T12:52:26.645Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03807505"
    },
    {
      "nct_id": "NCT02666118",
      "title": "Efficacy of Nerve Blockade Performed Prior to Surgical Intervention Versus Following Surgical Intervention",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Shoulder Injury"
      ],
      "interventions": [
        {
          "name": "Preemptive Interscalene Block - Single Shot",
          "type": "PROCEDURE"
        },
        {
          "name": "Postoperative Interscalene Block- Single Shot",
          "type": "PROCEDURE"
        },
        {
          "name": "Preemptive Interscalene Block - Catheter",
          "type": "PROCEDURE"
        },
        {
          "name": "Postoperative Interscalene Block - Catheter",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "10 Years to 21 Years"
      },
      "enrollment_count": 79,
      "start_date": "2013-02",
      "completion_date": "2025-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-04-02",
      "last_synced_at": "2026-10-25T12:52:26.645Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02666118"
    },
    {
      "nct_id": "NCT03084588",
      "title": "Methadone and Interscalene Block for Shoulder Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "methadone",
          "type": "DRUG"
        },
        {
          "name": "Interscalene block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Endeavor Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 100,
      "start_date": "2016-07",
      "completion_date": "2021-07",
      "has_results": false,
      "last_update_posted_date": "2020-08-25",
      "last_synced_at": "2026-10-25T12:52:26.645Z",
      "location_count": 1,
      "location_summary": "Evanston, Illinois",
      "locations": [
        {
          "city": "Evanston",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03084588"
    },
    {
      "nct_id": "NCT03272139",
      "title": "Interscalene Block Versus Superior Trunk Block",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Joint Disease",
        "Pain",
        "Pain, Acute",
        "Pain, Chronic"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Ultrasound",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 126,
      "start_date": "2017-09-28",
      "completion_date": "2019-07-09",
      "has_results": true,
      "last_update_posted_date": "2022-05-11",
      "last_synced_at": "2026-10-25T12:52:26.645Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03272139"
    },
    {
      "nct_id": "NCT04642612",
      "title": "Cerebral Blood Flow Evaluation With Trancranial Doppler After Interscalene Nerve Block",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Regional Anesthesia",
        "Horner Syndrome",
        "Cerebral Blood Flow"
      ],
      "interventions": [
        {
          "name": "TCD Measurement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 10,
      "start_date": "2021-03-04",
      "completion_date": "2021-07-30",
      "has_results": false,
      "last_update_posted_date": "2021-09-16",
      "last_synced_at": "2026-10-25T12:52:26.645Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04642612"
    },
    {
      "nct_id": "NCT02769429",
      "title": "Continuous Blockade of the Brachial Plexus",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthroses",
        "Degenerative Disorder",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Ultrasound-guided CISB",
          "type": "DEVICE"
        },
        {
          "name": "nerve stimulator-guided CCPVB",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 53,
      "start_date": "2016-09-19",
      "completion_date": "2018-09-26",
      "has_results": false,
      "last_update_posted_date": "2019-07-25",
      "last_synced_at": "2026-10-25T12:52:26.645Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02769429"
    }
  ]
}