{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bilateral+Quadratus+Lumborum+Block",
    "query": {
      "intervention": "Bilateral Quadratus Lumborum Block"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 11,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bilateral+Quadratus+Lumborum+Block&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-25T12:57:35.962Z",
  "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": "NCT04549090",
      "title": "Ultrasound Guided Posterior Quadratus Lumborum Block for Postoperative Analgesia in Gynecologic Surgery",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Post-operative Pain",
        "Gynecologic Surgery",
        "Regional Anesthesia"
      ],
      "interventions": [
        {
          "name": "QL (quadratus lumborum) block administration",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Pedram Bral",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2020-10-01",
      "completion_date": "2022-04-05",
      "has_results": false,
      "last_update_posted_date": "2022-04-12",
      "last_synced_at": "2026-09-25T12:57:35.962Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04549090"
    },
    {
      "nct_id": "NCT04073056",
      "title": "Efficacy Of Quadratus Lumborum II Block For Laparoscopic Sleeve Gastrectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Morbid Obesity",
        "High BMI"
      ],
      "interventions": [
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "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": 41,
      "start_date": "2018-08-01",
      "completion_date": "2021-02-23",
      "has_results": true,
      "last_update_posted_date": "2023-01-05",
      "last_synced_at": "2026-09-25T12:57:35.962Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04073056"
    },
    {
      "nct_id": "NCT02684968",
      "title": "Effects of Continuous Bilateral QL Analgesia After Open Abdominal Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Colorectal surgery",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2016-03",
      "completion_date": "2019-10",
      "has_results": false,
      "last_update_posted_date": "2021-02-09",
      "last_synced_at": "2026-09-25T12:57:35.962Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02684968"
    },
    {
      "nct_id": "NCT03827291",
      "title": "QL Block With Exparel in Colectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Laparotomy",
        "Colectomy"
      ],
      "interventions": [
        {
          "name": "Exparel",
          "type": "DRUG"
        },
        {
          "name": "Thoracic epidural analgesia",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Duke University",
      "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": 35,
      "start_date": "2019-10-31",
      "completion_date": "2022-12-09",
      "has_results": true,
      "last_update_posted_date": "2025-10-16",
      "last_synced_at": "2026-09-25T12:57:35.962Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03827291"
    },
    {
      "nct_id": "NCT03794882",
      "title": "Impact of Quadratus Lumborum Block on Recovery Profile After Ventral Hernia Repair",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Quadratus Lumborum Block",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Standard Medical Management",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "PROCEDURE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "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": 14,
      "start_date": "2019-05-06",
      "completion_date": "2020-03-12",
      "has_results": true,
      "last_update_posted_date": "2022-09-21",
      "last_synced_at": "2026-09-25T12:57:35.962Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03794882"
    },
    {
      "nct_id": "NCT03496610",
      "title": "Surgeon Infiltration QL Block Comparison",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Quadratus Lumborum Block",
        "Surgical Wound Infiltration"
      ],
      "interventions": [
        {
          "name": "Liposomal Bupivicaine",
          "type": "DRUG"
        },
        {
          "name": "QL Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Duke University",
      "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": 44,
      "start_date": "2021-01-25",
      "completion_date": "2023-02-23",
      "has_results": true,
      "last_update_posted_date": "2024-03-05",
      "last_synced_at": "2026-09-25T12:57:35.962Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03496610"
    },
    {
      "nct_id": "NCT03695172",
      "title": "Comparison of TAP, Anterior QL, or ESP Block for Elective Cesarean Section",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Cesarean Section"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "TAP block",
          "type": "PROCEDURE"
        },
        {
          "name": "QL block",
          "type": "BIOLOGICAL"
        },
        {
          "name": "ESP block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "BIOLOGICAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2019-09-12",
      "completion_date": "2021-03-20",
      "has_results": true,
      "last_update_posted_date": "2022-01-12",
      "last_synced_at": "2026-09-25T12:57:35.962Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03695172"
    },
    {
      "nct_id": "NCT04077398",
      "title": "Volume vs Concentration: Quadratus Lumborum Blocks With High Volume/Low Concentration or Low Volume/ High Concentration in Nephrectomies",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Analgesia",
        "Postoperative Pain",
        "Block"
      ],
      "interventions": [
        {
          "name": "Ropivacaine 0.5% Injectable Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bruce Ben-David",
      "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": 0,
      "start_date": "2020-01-22",
      "completion_date": "2021-08-01",
      "has_results": false,
      "last_update_posted_date": "2021-02-16",
      "last_synced_at": "2026-09-25T12:57:35.962Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04077398"
    },
    {
      "nct_id": "NCT07153614",
      "title": "Efficacy of Perioperative Opioid Sparing Techniques on Time to Initiation of Chemotherapy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Perioperative Opioid Sparing Techniques"
      ],
      "interventions": [
        {
          "name": "Intrathecal Morphine Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Bilateral Quadratus Lumborum Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Bilateral Transverse Abdominis Plane Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Tennessee Graduate School of Medicine",
      "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": 200,
      "start_date": "2025-02-03",
      "completion_date": "2027-02-03",
      "has_results": false,
      "last_update_posted_date": "2025-09-04",
      "last_synced_at": "2026-09-25T12:57:35.962Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07153614"
    },
    {
      "nct_id": "NCT06953635",
      "title": "Quadratus Lumborum Versus Placebo in Open Ventral Hernia Repair",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hernia, Ventral",
        "Pain Management"
      ],
      "interventions": [
        {
          "name": "Quadratus Lumborum (QL) Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Tennessee Graduate 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": 70,
      "start_date": "2025-06-01",
      "completion_date": "2026-02-28",
      "has_results": false,
      "last_update_posted_date": "2025-05-01",
      "last_synced_at": "2026-09-25T12:57:35.962Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06953635"
    }
  ]
}