{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Regional+Block&page=6",
    "query": {
      "condition": "Regional Block",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 257,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Regional+Block&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Regional+Block&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T06:18:45.598Z",
  "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": "NCT01605929",
      "title": "Clinical Evaluation of the Ultrasound-Guided Retroclavicular Brachial Plexus Block",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia",
        "Upper Extremity Injury"
      ],
      "interventions": [
        {
          "name": "Retroclavicular Brachial Plexus Block and Catheter Insertion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 0,
      "start_date": "2012-07",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2015-12-07",
      "last_synced_at": "2026-10-22T06:18:45.598Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01605929"
    },
    {
      "nct_id": "NCT00699244",
      "title": "Comparison of Central Versus Peripheral Placement of Local Anesthetic",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hand Surgery",
        "Elbow Surgery",
        "Forearm Surgery",
        "Wrist Surgery"
      ],
      "interventions": [
        {
          "name": "Peripheral placement of local anesthesia",
          "type": "PROCEDURE"
        },
        {
          "name": "Central placement of local anesthesia",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 218,
      "start_date": "2006-12",
      "completion_date": "2009-03",
      "has_results": false,
      "last_update_posted_date": "2017-06-12",
      "last_synced_at": "2026-10-22T06:18:45.598Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00699244"
    },
    {
      "nct_id": "NCT06287151",
      "title": "Regional Anesthesia EMG Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgery"
      ],
      "interventions": [
        {
          "name": "BlockSynop surface electromyography device",
          "type": "DEVICE"
        },
        {
          "name": "Clonidine",
          "type": "DRUG"
        },
        {
          "name": "Sevoflurane",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "0 Years to 5 Years"
      },
      "enrollment_count": 80,
      "start_date": "2023-08-09",
      "completion_date": "2025-02-28",
      "has_results": false,
      "last_update_posted_date": "2026-08-06",
      "last_synced_at": "2026-10-22T06:18:45.598Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06287151"
    },
    {
      "nct_id": "NCT04415931",
      "title": "Local Infiltration Analgesia Vs. Interscalene Block in Total Shoulder Arthorplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Shoulder Osteoarthritis",
        "Cuff Tear Arthropathy",
        "Massive Rotator Cuff Tear"
      ],
      "interventions": [
        {
          "name": "Local infiltration analgesia",
          "type": "PROCEDURE"
        },
        {
          "name": "Interscalene block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 78,
      "start_date": "2020-08-15",
      "completion_date": "2022-03-13",
      "has_results": false,
      "last_update_posted_date": "2023-03-14",
      "last_synced_at": "2026-10-22T06:18:45.598Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04415931"
    },
    {
      "nct_id": "NCT06930417",
      "title": "Characterization and Natural History of Williams Syndrome and Other Chromosome 7q11.23 Variants",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Williams Beuren Syndrome",
        "Williams Syndrome",
        "Williams Beuren Region Duplication",
        "Dup7"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2000,
      "start_date": "2024-10-21",
      "completion_date": "2045-10-21",
      "has_results": false,
      "last_update_posted_date": "2026-06-08",
      "last_synced_at": "2026-10-22T06:18:45.598Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06930417"
    },
    {
      "nct_id": "NCT02058303",
      "title": "Study of A Long Lasting Local Anesthestic for Hand, Wrist or Finger Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hand Injuries",
        "Wrist Injuries",
        "Finger Injuries"
      ],
      "interventions": [
        {
          "name": "Exparel Forearm block",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine supraclavicular block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jose Soberon, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2014-02",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2024-05-21",
      "last_synced_at": "2026-10-22T06:18:45.598Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02058303"
    },
    {
      "nct_id": "NCT01559740",
      "title": "Transversus Abdominis Plane Blocks for Infants and Children for Postoperative Pain Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ann & Robert H Lurie Children's Hospital of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "Up to 8 Years"
      },
      "enrollment_count": 36,
      "start_date": "2010-07",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-03-21",
      "last_synced_at": "2026-10-22T06:18:45.598Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01559740"
    },
    {
      "nct_id": "NCT01542840",
      "title": "Onset Time of Nerve Block: A Comparison of Two Injection Locations in Patients Having Lower Leg/ Foot Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Strain of Muscle and/or Tendon of Lower Leg",
        "Fracture of Lower Leg",
        "Crushing Injury of Lower Leg",
        "Fracture Malunion - Ankle and/or Foot",
        "Disorder of Joint of Ankle and/or Foot",
        "Complete Tear, Ankle and/or Foot Ligament",
        "Pathological Fracture - Ankle and/or Foot",
        "Loose Body in Joint of Ankle and/or Foot"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Ochsner Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 76,
      "start_date": "2014-05",
      "completion_date": "2016-03",
      "has_results": false,
      "last_update_posted_date": "2014-03-21",
      "last_synced_at": "2026-10-22T06:18:45.598Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01542840"
    },
    {
      "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": "2026-10-22T06:18:45.598Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03677778"
    },
    {
      "nct_id": "NCT01620047",
      "title": "Postoperative Knee Strength Following Total Knee Replacement: A Double-Blinded Randomized Comparison Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Knee Replacement",
        "Primary Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of South Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2011-03",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2013-11-11",
      "last_synced_at": "2026-10-22T06:18:45.598Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01620047"
    }
  ]
}