{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Regional+Anesthesia+Block",
    "query": {
      "condition": "Regional Anesthesia Block"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 145,
    "total_pages": 15,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Regional+Anesthesia+Block&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T02:36:59.720Z",
  "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": "NCT03845894",
      "title": "Interscalene Block With Liposomal Bupivacaine vs. Interscalene Block With Bupivacaine and Adjuvants",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Shoulder Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Liposomal bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine with adjuvants",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": 25,
      "start_date": "2020-03-03",
      "completion_date": "2022-06-25",
      "has_results": true,
      "last_update_posted_date": "2023-11-13",
      "last_synced_at": "2026-07-23T02:36:59.720Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03845894"
    },
    {
      "nct_id": "NCT01550094",
      "title": "A Comparison of Two Injection Locations in Obese Patients Having Lower Leg/Foot Surgery",
      "overall_status": "COMPLETED",
      "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",
        "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": "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": 60,
      "start_date": "2012-03",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2015-10-14",
      "last_synced_at": "2026-07-23T02:36:59.720Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01550094"
    },
    {
      "nct_id": "NCT03723447",
      "title": "Intraoperative TAP Block With Bupivacaine/Dexamethasone Against Liposomal Bupivacaine (Exparel®)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Crohn Disease",
        "Inflammatory Bowel Diseases",
        "Colorectal Cancer",
        "Gastrointestinal Cancer",
        "Gastrointestinal Disease",
        "Digestive System Disease",
        "Pain",
        "Pain, Neuropathic",
        "Intestinal Disease"
      ],
      "interventions": [
        {
          "name": "Liposomal bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine/epinephrine/dexamethasone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 102,
      "start_date": "2018-10-23",
      "completion_date": "2019-10-29",
      "has_results": true,
      "last_update_posted_date": "2021-02-17",
      "last_synced_at": "2026-07-23T02:36:59.720Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03723447"
    },
    {
      "nct_id": "NCT02822196",
      "title": "Serratus Anterior Muscle Plane Block vsThoracic Paravertebral Block For Unilateral Mastectomies",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer",
        "Mastectomy",
        "Regional Anesthesia",
        "Post Operative Pain"
      ],
      "interventions": [
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2018-12",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2020-09-16",
      "last_synced_at": "2026-07-23T02:36:59.720Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02822196"
    },
    {
      "nct_id": "NCT01593280",
      "title": "TAP Catheters Versus Intrathecal Morphine for Cesarean Section",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Abdominal Muscles/Ultrasonography",
        "Adult",
        "Anesthetics, Local/Administration & Dosage",
        "Ropivacaine/Administration & Dosage",
        "Ropivacaine/Analogs & Derivatives",
        "Cesarean Section",
        "Humans",
        "Nerve Block/Methods",
        "Pain Measurement/Methods",
        "Pain, Postoperative/Prevention & Control",
        "Ultrasonography, Interventional"
      ],
      "interventions": [
        {
          "name": "TAP catheter",
          "type": "DEVICE"
        },
        {
          "name": "intrathecal morphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Stamford Anesthesiology Services, PC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 80,
      "start_date": "2012-05",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-05-08",
      "last_synced_at": "2026-07-23T02:36:59.720Z",
      "location_count": 1,
      "location_summary": "Stamford, Connecticut",
      "locations": [
        {
          "city": "Stamford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01593280"
    },
    {
      "nct_id": "NCT03860974",
      "title": "Serratus Plane Versus Paravertebral Nerve Blocks for Breast Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Surgery"
      ],
      "interventions": [
        {
          "name": "Serratus Plane block (single injection)",
          "type": "DRUG"
        },
        {
          "name": "Paravertebral block (single injection)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2019-05-09",
      "completion_date": "2021-02-13",
      "has_results": true,
      "last_update_posted_date": "2022-09-21",
      "last_synced_at": "2026-07-23T02:36:59.720Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03860974"
    },
    {
      "nct_id": "NCT03540095",
      "title": "Erector Spinae Plane (ESP) Versus Paravertebral Nerve (PVB) Blockade for Acute Unilateral Rib Fracture Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Rib Fractures",
        "Pain, Acute",
        "Thoracic Injuries",
        "Neuropathic Pain",
        "Neuromuscular Blockade",
        "Anesthesia, Local"
      ],
      "interventions": [
        {
          "name": "Erector Spinae Plane Block",
          "type": "DRUG"
        },
        {
          "name": "Paravertebral Nerve Block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 7,
      "start_date": "2018-07-23",
      "completion_date": "2019-05-07",
      "has_results": false,
      "last_update_posted_date": "2019-05-16",
      "last_synced_at": "2026-07-23T02:36:59.720Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03540095"
    },
    {
      "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": "2026-07-23T02:36:59.720Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03807505"
    },
    {
      "nct_id": "NCT06784882",
      "title": "Continuous Versus Single Injection Adductor Canal Blocks for Outpatient Total Knee Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Postoperative Pain",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "continuous peripheral nerve block with OnQ pump",
          "type": "DEVICE"
        },
        {
          "name": "single injection nerve block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2025-06-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-06-17",
      "last_synced_at": "2026-07-23T02:36:59.720Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06784882"
    },
    {
      "nct_id": "NCT05833048",
      "title": "Rectus Sheath Block in Cardiac Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Disease",
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Rectus sheath block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 75,
      "start_date": "2024-07-29",
      "completion_date": "2026-09-07",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-07-23T02:36:59.720Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05833048"
    }
  ]
}