{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Local+block&page=4",
    "query": {
      "intervention": "Local block",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 597,
    "total_pages": 60,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Local+block&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Local+block&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T11:08:10.574Z",
  "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": "NCT02346357",
      "title": "Ultrasound-Guided Obturator Nerve Block for Ambulatory Hip Arthroscopy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Obturator Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Placebo Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Benaroya Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 70,
      "start_date": "2014-05",
      "completion_date": "2015-09",
      "has_results": false,
      "last_update_posted_date": "2015-01-27",
      "last_synced_at": "2026-10-31T11:08:10.574Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02346357"
    },
    {
      "nct_id": "NCT03549234",
      "title": "Erector Spinae Versus Paravertebral Nerve Blocks for Breast Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Surgery"
      ],
      "interventions": [
        {
          "name": "Erector Spinae (single injection)",
          "type": "DRUG"
        },
        {
          "name": "Paravertebral (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": "2018-07-12",
      "completion_date": "2019-05-08",
      "has_results": true,
      "last_update_posted_date": "2020-07-24",
      "last_synced_at": "2026-10-31T11:08:10.574Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03549234"
    },
    {
      "nct_id": "NCT01690156",
      "title": "Trial on the Effects of Ultrasound Probe Position on Ultrasound-guided Nerve Blocks",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "In-plane Ultrasound-guided Regional Anesthesia Performance"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of New Mexico",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 62,
      "start_date": "2012-08",
      "completion_date": "2013-02",
      "has_results": false,
      "last_update_posted_date": "2024-01-10",
      "last_synced_at": "2026-10-31T11:08:10.574Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01690156"
    },
    {
      "nct_id": "NCT02148588",
      "title": "Peripheral Sensory Input in Central Post Stroke Pain (CPSP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Central Post Stroke Pain"
      ],
      "interventions": [
        {
          "name": "Ultrasound-guided peripheral nerve block with 2% lidocaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2014-08",
      "completion_date": "2017-01-25",
      "has_results": true,
      "last_update_posted_date": "2018-05-02",
      "last_synced_at": "2026-10-31T11:08:10.574Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02148588"
    },
    {
      "nct_id": "NCT03408483",
      "title": "Quadratus Lumborum Block Versus Control for Total Hip Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Quadratus Lumborum Block (QLB)",
          "type": "DRUG"
        },
        {
          "name": "Standard of Care",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2018-04-01",
      "completion_date": "2020-08-22",
      "has_results": true,
      "last_update_posted_date": "2021-06-09",
      "last_synced_at": "2026-10-31T11:08:10.574Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03408483"
    },
    {
      "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": "2026-10-31T11:08:10.574Z",
      "location_count": 1,
      "location_summary": "Stamford, Connecticut",
      "locations": [
        {
          "city": "Stamford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01593280"
    },
    {
      "nct_id": "NCT05688670",
      "title": "Regional Anesthesia Following Pediatric Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Septal Defect",
        "Ventricular Septal Defect",
        "Pain, Procedural"
      ],
      "interventions": [
        {
          "name": "Regional Anesthesia",
          "type": "PROCEDURE"
        },
        {
          "name": "Wound infiltration",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine 0.2% Injectable Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "Up to 17 Years"
      },
      "enrollment_count": 52,
      "start_date": "2023-03-29",
      "completion_date": "2025-01-22",
      "has_results": true,
      "last_update_posted_date": "2025-08-28",
      "last_synced_at": "2026-10-31T11:08:10.574Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05688670"
    },
    {
      "nct_id": "NCT07216820",
      "title": "Interscalene vs Phrenic-sparing Blocks in Obesity and Effect of Maximum Inspiratory Pressure",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Shoulder Surgery",
        "Obesity"
      ],
      "interventions": [
        {
          "name": "Ultrasound-Guided Interscalene Brachial Plexus Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Phrenic-Sparing Block Combination (Experimental)",
          "type": "PROCEDURE"
        },
        {
          "name": "Bupivacaine HCl 0.5% Injectable Solution",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone 4mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 68,
      "start_date": "2026-01-21",
      "completion_date": "2027-11-15",
      "has_results": false,
      "last_update_posted_date": "2026-01-28",
      "last_synced_at": "2026-10-31T11:08:10.574Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07216820"
    },
    {
      "nct_id": "NCT01505374",
      "title": "Saphenous Nerve Block vs. Femoral Nerve Block for Total Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Difference Between Femoral Nerve Block and Saphenous Block"
      ],
      "interventions": [
        {
          "name": "Study Technique",
          "type": "PROCEDURE"
        },
        {
          "name": "Control Technique",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 60,
      "start_date": "2012-03",
      "completion_date": "2013-09",
      "has_results": true,
      "last_update_posted_date": "2022-04-14",
      "last_synced_at": "2026-10-31T11:08:10.574Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01505374"
    },
    {
      "nct_id": "NCT01133418",
      "title": "Cognitive Training Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder"
      ],
      "interventions": [
        {
          "name": "Computerized Progressive Attention Training",
          "type": "OTHER"
        },
        {
          "name": "Sham Comparator Cognitive Training",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "7 Years to 12 Years"
      },
      "enrollment_count": 72,
      "start_date": "2010-09",
      "completion_date": "2016-06",
      "has_results": true,
      "last_update_posted_date": "2017-05-30",
      "last_synced_at": "2026-10-31T11:08:10.574Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01133418"
    }
  ]
}