{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=QL+Block",
    "query": {
      "intervention": "QL Block"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 44,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=QL+Block&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T17:51:29.704Z",
  "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": "NCT04208516",
      "title": "Continuous Nerve Block Block vs Combination of Single Block Plus Intravenous Lidocaine for Postoperative Pain.",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Continuous Erector Spinae Plane Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Continuous Quadratus Lumborum Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Single Erector Spinae Plane Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Single Quadratus Lumborum Nerve Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Lidocaine IV",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine 0.5% Injectable Solution",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Dexmedetomidine",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Jeremy Kearns",
      "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": 17,
      "start_date": "2021-05-26",
      "completion_date": "2022-08-18",
      "has_results": true,
      "last_update_posted_date": "2023-09-13",
      "last_synced_at": "2026-09-02T17:51:29.704Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04208516"
    },
    {
      "nct_id": "NCT03490357",
      "title": "Quadratus Lumborum Versus Transversus Abdominis Plane Nerve Block: A Comparison Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia"
      ],
      "interventions": [
        {
          "name": "Control - Transversus Abdominus Plane Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Quadratus Lumborum 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": 182,
      "start_date": "2018-05-15",
      "completion_date": "2023-07-12",
      "has_results": false,
      "last_update_posted_date": "2023-08-08",
      "last_synced_at": "2026-09-02T17:51:29.704Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03490357"
    },
    {
      "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": "2026-09-02T17:51:29.704Z",
      "location_count": 1,
      "location_summary": "Knoxville, Tennessee",
      "locations": [
        {
          "city": "Knoxville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07153614"
    },
    {
      "nct_id": "NCT05506930",
      "title": "ITM vs QL for Pediatric Open Lower Abdominal Procedures",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain Control",
        "Ureteral Reimplantation",
        "Pediatrics",
        "Intrathecal Morphine"
      ],
      "interventions": [
        {
          "name": "Intrathecal Morphine",
          "type": "DRUG"
        },
        {
          "name": "Quadratus lumborum block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Medical University of South Carolina",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "12 Months to 11 Years"
      },
      "enrollment_count": 14,
      "start_date": "2022-08-17",
      "completion_date": "2024-05-10",
      "has_results": true,
      "last_update_posted_date": "2025-04-15",
      "last_synced_at": "2026-09-02T17:51:29.704Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05506930"
    },
    {
      "nct_id": "NCT03007966",
      "title": "IINB vs. QLB for Elective Open Inguinal Herniorrhaphy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Nerve Block",
        "Herniorrhaphy",
        "Regional Anesthesia"
      ],
      "interventions": [
        {
          "name": "Ilioinguinal / Iliohypogastric Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Quadratus Lumborum Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Bupivacaine 0.25%",
          "type": "DRUG"
        },
        {
          "name": "Epinephrine 1:200k",
          "type": "DRUG"
        },
        {
          "name": "Clonidine 1.66mcg/cc",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": 60,
      "start_date": "2017-01-30",
      "completion_date": "2018-02-17",
      "has_results": true,
      "last_update_posted_date": "2019-11-18",
      "last_synced_at": "2026-09-02T17:51:29.704Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03007966"
    },
    {
      "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": "2026-09-02T17:51:29.704Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04549090"
    },
    {
      "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": "2026-09-02T17:51:29.704Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03695172"
    },
    {
      "nct_id": "NCT03432650",
      "title": "Evaluation of Anterior Quadratus Lumborum Block for Postoperative Analgesia in Hip Arthroscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Hip Disease"
      ],
      "interventions": [
        {
          "name": "Bupivacaine + dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Ultrasound",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "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": 96,
      "start_date": "2018-06-01",
      "completion_date": "2021-09-09",
      "has_results": true,
      "last_update_posted_date": "2022-08-19",
      "last_synced_at": "2026-09-02T17:51:29.704Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03432650"
    },
    {
      "nct_id": "NCT04481451",
      "title": "Quadratus Lumborum vs Erector Spinae Supplementary Blocks With Lumbar Plexus Blocks for Hip PAO",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Regional Anesthesia",
        "Hip Dysplasia"
      ],
      "interventions": [
        {
          "name": "Erector spinae block with ropivacaine 0.2%",
          "type": "PROCEDURE"
        },
        {
          "name": "Quadratus lumborum block with ropivacaine 0.2%",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "15 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "15 Years to 30 Years"
      },
      "enrollment_count": 0,
      "start_date": "2020-12-01",
      "completion_date": "2025-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-12-12",
      "last_synced_at": "2026-09-02T17:51:29.704Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04481451"
    },
    {
      "nct_id": "NCT03557125",
      "title": "Quadratus Lumborum Block for Analgesia Following Hip Arthroscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Surgery"
      ],
      "interventions": [
        {
          "name": "QL Block",
          "type": "OTHER"
        },
        {
          "name": "Saline Skin Wheel",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 46,
      "start_date": "2018-05-22",
      "completion_date": "2020-03-14",
      "has_results": true,
      "last_update_posted_date": "2021-02-02",
      "last_synced_at": "2026-09-02T17:51:29.704Z",
      "location_count": 1,
      "location_summary": "Charleston, South Carolina",
      "locations": [
        {
          "city": "Charleston",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03557125"
    }
  ]
}