{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bupivacaine+%28erector+spinae+plane+block%29&page=2",
    "query": {
      "intervention": "Bupivacaine (erector spinae plane block)",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 28,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bupivacaine+%28erector+spinae+plane+block%29&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Bupivacaine+%28erector+spinae+plane+block%29&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T13:33:42.893Z",
  "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": "NCT03859635",
      "title": "Erector Spinae Block Versus Surgeon Infiltration in VATS Procedures",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Thoracic",
        "Acute Pain"
      ],
      "interventions": [
        {
          "name": "Liposomal Bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine, 0.25%",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine, 0.5%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 120,
      "start_date": "2019-02-07",
      "completion_date": "2022-11-07",
      "has_results": true,
      "last_update_posted_date": "2025-02-28",
      "last_synced_at": "2026-10-11T13:33:42.893Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03859635"
    },
    {
      "nct_id": "NCT06252662",
      "title": "Liposomal Bupivacaine Vs Bupivacaine with Dexmedetomidine in Erector Spinae Plane Blocks for Mastectomies",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Dexmedetomidine",
          "type": "DRUG"
        },
        {
          "name": "Liposomal bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "United States Naval Medical Center, Portsmouth",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2024-10-15",
      "completion_date": "2025-10",
      "has_results": false,
      "last_update_posted_date": "2024-11-19",
      "last_synced_at": "2026-10-11T13:33:42.893Z",
      "location_count": 1,
      "location_summary": "Portsmouth, Virginia",
      "locations": [
        {
          "city": "Portsmouth",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06252662"
    },
    {
      "nct_id": "NCT05444751",
      "title": "GA + ESP vs. SA + ESP in Lumbar Decompression Surgeries",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Lumbar Disc Herniation",
        "Lumbar Disc Disease",
        "Lumbar Radiculopathy"
      ],
      "interventions": [
        {
          "name": "General anesthetic",
          "type": "DRUG"
        },
        {
          "name": "SA + ESP",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "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": 142,
      "start_date": "2022-03-22",
      "completion_date": "2026-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-10-11T13:33:42.893Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05444751"
    },
    {
      "nct_id": "NCT05082155",
      "title": "Continuous Erector Spinae Plane Blocks to Treat Postoperative Pain After Open Gynecologic Procedures Via a Low Transverse (Pfannenstiel) Incision",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Surgical Incision",
        "Pain, Postoperative",
        "Pain, Acute"
      ],
      "interventions": [
        {
          "name": "Bupivacaine 0.25%",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline",
          "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": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2022-01-01",
      "completion_date": "2022-05-24",
      "has_results": false,
      "last_update_posted_date": "2022-05-31",
      "last_synced_at": "2026-10-11T13:33:42.893Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05082155"
    },
    {
      "nct_id": "NCT04603911",
      "title": "RCT Comparing ESPB Solutions in Breast Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Liposomal bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine, epinephrine, dexamethasone, and clonidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Tufts Medical Center",
      "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": 75,
      "start_date": "2020-12-04",
      "completion_date": "2023-04-10",
      "has_results": false,
      "last_update_posted_date": "2025-01-10",
      "last_synced_at": "2026-10-11T13:33:42.893Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04603911"
    },
    {
      "nct_id": "NCT05029726",
      "title": "Regional Anesthesia in Minimally Invasive Lumbar Spine Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Lumbar Spinal Stenosis",
        "Lumbar Disc Herniation",
        "Lumbar Spondylolisthesis",
        "Lumbar Spondylosis",
        "Lumbar Radiculopathy",
        "Lumbar Spine Instability",
        "Synovial Cyst",
        "Degenerative Disc Disease",
        "Degenerative Spondylolisthesis",
        "Degenerative Intervertebral Discs"
      ],
      "interventions": [
        {
          "name": "Bupivacaine-Epinephrine 0.25%-1:200,000 Injectable Solution plus clonidine",
          "type": "DRUG"
        },
        {
          "name": "normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "John O'Toole",
      "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": 125,
      "start_date": "2022-02-01",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-11T13:33:42.893Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05029726"
    },
    {
      "nct_id": "NCT04349774",
      "title": "Erector Spinae Plane Block vs Erector Spinae Plane Block With Serratus Anterior Plane Block in Thoracic Surgery",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Control Group - ESP block with SAP block",
          "type": "DRUG"
        },
        {
          "name": "Treatment Group - ESP block with SAP normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Anna Uskova",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 0,
      "start_date": "2022-10-01",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2022-11-14",
      "last_synced_at": "2026-10-11T13:33:42.893Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04349774"
    },
    {
      "nct_id": "NCT04019834",
      "title": "Preoperative Regional Nerve Block for Acute and Chronic Post-Operative Pain Following Mastectomy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Breast Cancer",
        "Mastectomy",
        "Anesthesia, Local",
        "Narcotic Use"
      ],
      "interventions": [
        {
          "name": "regional nerve block with local anesthesia of bupivacaine with steroid",
          "type": "DRUG"
        },
        {
          "name": "Placebo regional nerveblock with normal saline",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "19 Years and older · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2020-07-06",
      "completion_date": "2021-11-25",
      "has_results": false,
      "last_update_posted_date": "2022-08-03",
      "last_synced_at": "2026-10-11T13:33:42.893Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04019834"
    },
    {
      "nct_id": "NCT06077422",
      "title": "Exparel vs. Marcaine ESP Block for Post-cardiac Surgical Pain",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Opioid Use",
        "Perioperative Complication",
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "bupivacaine liposome injectable suspension",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine Hydrochloride",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2024-01-11",
      "completion_date": "2027-04-05",
      "has_results": false,
      "last_update_posted_date": "2026-02-17",
      "last_synced_at": "2026-10-11T13:33:42.893Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06077422"
    },
    {
      "nct_id": "NCT05794828",
      "title": "Erector Spinae Regional Anesthesia for Pain Control",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Pain Management"
      ],
      "interventions": [
        {
          "name": "Bupivacaine Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "The University of Texas Health Science Center at San Antonio",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2023-09-15",
      "completion_date": "2025-02-18",
      "has_results": false,
      "last_update_posted_date": "2025-08-27",
      "last_synced_at": "2026-10-11T13:33:42.893Z",
      "location_count": 4,
      "location_summary": "Ridley Park, Pennsylvania • Upland, Pennsylvania • San Antonio, Texas + 1 more",
      "locations": [
        {
          "city": "Ridley Park",
          "state": "Pennsylvania"
        },
        {
          "city": "Upland",
          "state": "Pennsylvania"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        },
        {
          "city": "Temple",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05794828"
    }
  ]
}