{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lumbar+plexus+block",
    "query": {
      "intervention": "Lumbar plexus block"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 25,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Lumbar+plexus+block&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T14:13:47.025Z",
  "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": "NCT01556724",
      "title": "A Comparison of Postoperative Analgesic Nerve Block Ropivacaine Concentrations",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Hip Arthroplasty",
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "0.1% or 0.2% ropivacaine nerve blocks",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sylvia Wilson",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 41,
      "start_date": "2010-01",
      "completion_date": "2014-12",
      "has_results": true,
      "last_update_posted_date": "2018-01-17",
      "last_synced_at": "2026-09-06T14:13:47.025Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01556724"
    },
    {
      "nct_id": "NCT02493621",
      "title": "Compare Epidural vs. Lumbar Plexus Analgesia After Hip Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthropathy of Hip"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 116,
      "start_date": "2014-12",
      "completion_date": "2015-07",
      "has_results": true,
      "last_update_posted_date": "2019-03-22",
      "last_synced_at": "2026-09-06T14:13:47.025Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02493621"
    },
    {
      "nct_id": "NCT01818531",
      "title": "Adductor Canal Block for Medial Compartment Knee Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Analgesia",
        "Medial Unicompartmental Knee Arthroplasty"
      ],
      "interventions": [
        {
          "name": "Adductor canal block",
          "type": "DRUG"
        },
        {
          "name": "Lumbar plexus block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": 150,
      "start_date": "2013-04",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2018-09-13",
      "last_synced_at": "2026-09-06T14:13:47.025Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01818531"
    },
    {
      "nct_id": "NCT01068275",
      "title": "Lumbar Plexus Catheter Versus Femoral Nerve Catheter for Postoperative Pain After Anterior Cruciate Ligament (ACL) Repair",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "lumbar plexus catheter",
          "type": "PROCEDURE"
        },
        {
          "name": "femoral nerve catheter",
          "type": "PROCEDURE"
        },
        {
          "name": "single-shot femoral block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Seattle Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "11 Years to 21 Years"
      },
      "enrollment_count": 114,
      "start_date": "2010-04",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2010-08-26",
      "last_synced_at": "2026-09-06T14:13:47.025Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01068275"
    },
    {
      "nct_id": "NCT03746951",
      "title": "Comparative Evaluation of Lumbar Plexus and Suprainguinal Fascia Iliaca Compartment Blocks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Orthopedic Disorder"
      ],
      "interventions": [
        {
          "name": "Ropivacaine Hcl 0.5% Inj Vil 20Ml",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nationwide Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "2 Years to 18 Years"
      },
      "enrollment_count": 15,
      "start_date": "2019-04-24",
      "completion_date": "2020-01-31",
      "has_results": true,
      "last_update_posted_date": "2022-03-03",
      "last_synced_at": "2026-09-06T14:13:47.025Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03746951"
    },
    {
      "nct_id": "NCT02161484",
      "title": "Continuous Lumbar Plexus Block With and Without Parasacral Block in Patients Undergoing Total Hip Replacement",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis of Hip",
        "Regional Anesthesia",
        "Other Acute Postoperative Pain",
        "Total Hip Arthroplasty",
        "Peripheral Nerve Block",
        "Lumbar Plexus Nerve Block",
        "Parasacaral (Sciatic) Nerve Block"
      ],
      "interventions": [
        {
          "name": "Continuous Lumbar Plexus Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Parasacral Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacine 0.2%",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine 0.0625%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Rita Merman",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 10,
      "start_date": "2014-01",
      "completion_date": "2014-06-17",
      "has_results": true,
      "last_update_posted_date": "2018-03-29",
      "last_synced_at": "2026-09-06T14:13:47.025Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02161484"
    },
    {
      "nct_id": "NCT03409900",
      "title": "Lumbar Plexus Block Versus Quadratus Lumborum Block for Primary Anterior Total Hip Arthroplasty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoarthritis",
        "Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "LPB",
          "type": "OTHER"
        },
        {
          "name": "QLB",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "18 Years to 95 Years"
      },
      "enrollment_count": 44,
      "start_date": "2019-03-04",
      "completion_date": "2019-11-22",
      "has_results": false,
      "last_update_posted_date": "2020-05-12",
      "last_synced_at": "2026-09-06T14:13:47.025Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03409900"
    },
    {
      "nct_id": "NCT01286805",
      "title": "Lumbar Plexus Block for Postoperative Pain Control After Hip Arthroscopy. A Randomized Controlled Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Lumbar Plexus Blockade",
          "type": "PROCEDURE"
        },
        {
          "name": "Control",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "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": 83,
      "start_date": "2010-05",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2013-06-05",
      "last_synced_at": "2026-09-06T14:13:47.025Z",
      "location_count": 2,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01286805"
    },
    {
      "nct_id": "NCT04402437",
      "title": "QL vs LP Blocks for Analgesia Following THA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgery"
      ],
      "interventions": [
        {
          "name": "LP Block",
          "type": "PROCEDURE"
        },
        {
          "name": "QL Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 111,
      "start_date": "2020-07-23",
      "completion_date": "2021-06-04",
      "has_results": false,
      "last_update_posted_date": "2022-08-02",
      "last_synced_at": "2026-09-06T14:13:47.025Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04402437"
    },
    {
      "nct_id": "NCT03801265",
      "title": "Lumbar Plexus vs Quadratus Lumborum Block in Post-operative Pain Following Total Hip Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hip Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Lumbar plexus block",
          "type": "PROCEDURE"
        },
        {
          "name": "Quadratus lumborum type 3 block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Sharad Khetarpal",
      "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": 46,
      "start_date": "2019-03-19",
      "completion_date": "2020-05-30",
      "has_results": true,
      "last_update_posted_date": "2021-07-15",
      "last_synced_at": "2026-09-06T14:13:47.025Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03801265"
    }
  ]
}