{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Erector+Spinae+Block&page=2",
    "query": {
      "intervention": "Erector Spinae Block",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Erector+Spinae+Block&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T13:54:43.111Z",
  "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": "NCT03611374",
      "title": "Regional Anesthesia for Cardiothoracic Enhanced Recovery (RACER) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Heart Defect",
        "Congenital Heart Disease",
        "Anesthesia, Local",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Bilateral Erector Spinae Plane Block (ESPB)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "0 Years to 99 Years"
      },
      "enrollment_count": 38,
      "start_date": "2019-06-07",
      "completion_date": "2023-04-06",
      "has_results": false,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-09-27T13:54:43.111Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03611374"
    },
    {
      "nct_id": "NCT03702621",
      "title": "Comparing Liposomal Bupivacaine Versus Standard Bupivacaine in Colorectal Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Colorectal Surgery"
      ],
      "interventions": [
        {
          "name": "liposomal Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2018-08-30",
      "completion_date": "2020-03-13",
      "has_results": true,
      "last_update_posted_date": "2023-05-17",
      "last_synced_at": "2026-09-27T13:54:43.111Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03702621"
    },
    {
      "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": "2026-09-27T13:54:43.111Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04481451"
    },
    {
      "nct_id": "NCT04995497",
      "title": "Intravenous(IV) vs. Erector Spinae Plane Blocks in Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Erector Spinae Plane Block",
        "Pain Control",
        "Post-Operative Pain, Chronic"
      ],
      "interventions": [
        {
          "name": "Intravenous Administration of Lidocaine Post Cardiac Surgery",
          "type": "DRUG"
        },
        {
          "name": "Administration of Lidocaine Post Cardiac Surgery via ESP Catheter",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Archit Sharma",
      "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": 70,
      "start_date": "2021-08-15",
      "completion_date": "2023-04-30",
      "has_results": true,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-09-27T13:54:43.111Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04995497"
    },
    {
      "nct_id": "NCT04559347",
      "title": "Local Anesthetic as Single Shot Versus Catheter in Patients Undergoing Video Assisted Thoracoscopic Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Thoracic Surgery"
      ],
      "interventions": [
        {
          "name": "Liposomal Bupivacaine (EXPAREL®)/Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine (0.5% bolus followed by 0.2% infusion)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Poovendran Saththasivam",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 45,
      "start_date": "2020-12-10",
      "completion_date": "2024-08-07",
      "has_results": true,
      "last_update_posted_date": "2025-06-12",
      "last_synced_at": "2026-09-27T13:54:43.111Z",
      "location_count": 1,
      "location_summary": "Sayre, Pennsylvania",
      "locations": [
        {
          "city": "Sayre",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04559347"
    },
    {
      "nct_id": "NCT04849455",
      "title": "Erector Spinae Plane Block Catheters and Intrathecal Morphine for Hepatic Resection",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hepatic Resection",
        "Acute Pain",
        "Anesthesia",
        "Anesthesia, Local"
      ],
      "interventions": [
        {
          "name": "0.2% ropivacaine local anesthetic continuous erector spinae plane block",
          "type": "DRUG"
        },
        {
          "name": "0.2% ropivacaine local anesthetic superficially taped continuous erector spinae plane block",
          "type": "DRUG"
        },
        {
          "name": "Spinal Morphine",
          "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": 70,
      "start_date": "2021-05-24",
      "completion_date": "2023-05-01",
      "has_results": false,
      "last_update_posted_date": "2022-06-07",
      "last_synced_at": "2026-09-27T13:54:43.111Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04849455"
    },
    {
      "nct_id": "NCT04917510",
      "title": "Evaluating the Efficacy of Erector Spinae Block in Routine Hip Arthroscopy",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hip Disease",
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Erector spinae block",
          "type": "PROCEDURE"
        },
        {
          "name": "Local block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Carilion Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "13 Years to 50 Years"
      },
      "enrollment_count": 120,
      "start_date": "2021-07",
      "completion_date": "2023-08",
      "has_results": false,
      "last_update_posted_date": "2021-06-08",
      "last_synced_at": "2026-09-27T13:54:43.111Z",
      "location_count": 1,
      "location_summary": "Roanoke, Virginia",
      "locations": [
        {
          "city": "Roanoke",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04917510"
    },
    {
      "nct_id": "NCT06745453",
      "title": "Erector Spinae Plane Block for Acute Back Pain in the Emergency Department",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Erector Spinae Plane Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Sham Procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2025-02-03",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-09-27T13:54:43.111Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06745453"
    },
    {
      "nct_id": "NCT04807504",
      "title": "Ropivacaine Pharmacokinetics in ESP Blocks",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Local Anesthetic Systemic Toxicity",
        "Pain",
        "Quality of Recovery"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Thomas Jefferson University",
      "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": "2021-03-26",
      "completion_date": "2021-09-23",
      "has_results": false,
      "last_update_posted_date": "2025-09-09",
      "last_synced_at": "2026-09-27T13:54:43.111Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04807504"
    },
    {
      "nct_id": "NCT03768440",
      "title": "Continuous Erector Spinae Block Versus Continuous Paravertebral Block",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "continuous erector spinae block (ESB)",
          "type": "PROCEDURE"
        },
        {
          "name": "continuous paravertebral block (PVB)",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "1 Month to 12 Years"
      },
      "enrollment_count": 34,
      "start_date": "2019-04-16",
      "completion_date": "2025-02-01",
      "has_results": true,
      "last_update_posted_date": "2026-05-13",
      "last_synced_at": "2026-09-27T13:54:43.111Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03768440"
    }
  ]
}