{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=paravertebral+blocks&page=3",
    "query": {
      "intervention": "paravertebral blocks",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 53,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=paravertebral+blocks&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=paravertebral+blocks&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-28T09:21:58.526Z",
  "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": "NCT04720079",
      "title": "Paravertebral Block With Brachial Plexus Block for Upper Arm Arteriovenous Fistula Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Regional Anesthesia Success"
      ],
      "interventions": [
        {
          "name": "Subcutaneous infiltration of intercostobrachial nerve",
          "type": "PROCEDURE"
        },
        {
          "name": "T2 paravertebral nerve block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 63,
      "start_date": "2020-11-15",
      "completion_date": "2022-02-15",
      "has_results": false,
      "last_update_posted_date": "2022-05-13",
      "last_synced_at": "2026-10-28T09:21:58.526Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04720079"
    },
    {
      "nct_id": "NCT03954249",
      "title": "Evaluating the Effectiveness of Bilateral ESPB in Addition to Standard Analgesia at Reducing Opioid Consumption",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia",
        "Block"
      ],
      "interventions": [
        {
          "name": "Erecto Spinae nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Multimodal Analgesia",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 78,
      "start_date": "2019-11-07",
      "completion_date": "2021-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-29",
      "last_synced_at": "2026-10-28T09:21:58.526Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03954249"
    },
    {
      "nct_id": "NCT02849678",
      "title": "A Pain Study Comparing Two Commonly Used Medications to Treat Pain After Bowel Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jacques E. Chelly",
      "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": 68,
      "start_date": "2008-01",
      "completion_date": "2016-05",
      "has_results": true,
      "last_update_posted_date": "2018-03-20",
      "last_synced_at": "2026-10-28T09:21:58.526Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02849678"
    },
    {
      "nct_id": "NCT03152929",
      "title": "Paravertebral Block (PVC) Versus Pectoral Nerve Block (PEC)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Paravertebral Block",
          "type": "DRUG"
        },
        {
          "name": "Pectoral Nerve Block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Corewell Health West",
      "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": 89,
      "start_date": "2017-03-09",
      "completion_date": "2019-05-21",
      "has_results": true,
      "last_update_posted_date": "2023-06-06",
      "last_synced_at": "2026-10-28T09:21:58.526Z",
      "location_count": 1,
      "location_summary": "Grand Rapids, Michigan",
      "locations": [
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03152929"
    },
    {
      "nct_id": "NCT01943240",
      "title": "Pectoral Nerve Blockade in Mastectomy",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain",
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Paravertebral nerve block: 4 mL ropivacaine 0.5% at each of six levels",
          "type": "DRUG"
        },
        {
          "name": "10 cc of 0.375% ropivacaine pectoral nerve block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Timothy R Petersen",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2014-03",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2016-10-27",
      "last_synced_at": "2026-10-28T09:21:58.526Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01943240"
    },
    {
      "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": "2026-10-28T09:21:58.526Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03768440"
    },
    {
      "nct_id": "NCT03758261",
      "title": "Erector Spinae Plane vs. Paravertebral Nerve Block for Thoracic Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Thoracic Surgical Procedures"
      ],
      "interventions": [
        {
          "name": "Paravertebral nerve block",
          "type": "DRUG"
        },
        {
          "name": "Erector Spinae nerve block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Charles Luke",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2019-03-11",
      "completion_date": "2020-06-25",
      "has_results": true,
      "last_update_posted_date": "2023-07-03",
      "last_synced_at": "2026-10-28T09:21:58.526Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03758261"
    },
    {
      "nct_id": "NCT02164929",
      "title": "Comparison Study of Transversus Abdominal Plane, Paravertebral and Epidural Blocks in Laparoscopic Colectomy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Laparoscopic Colorectal Resection"
      ],
      "interventions": [
        {
          "name": "TAP block",
          "type": "PROCEDURE"
        },
        {
          "name": "Epidural",
          "type": "PROCEDURE"
        },
        {
          "name": "Paravertebral block",
          "type": "PROCEDURE"
        },
        {
          "name": "Acetaminophen 1g IV",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone 4mg",
          "type": "DRUG"
        },
        {
          "name": "Midazolam up to 2mg",
          "type": "DRUG"
        },
        {
          "name": "Propofol 1-2.5 mg/kg",
          "type": "DRUG"
        },
        {
          "name": "Sevoflurane to keep a bispectral index of between 40-60",
          "type": "DRUG"
        },
        {
          "name": "Local infiltration with 10 mL of plain ropivacaine 0.25%",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Epinephrine",
          "type": "DRUG"
        },
        {
          "name": "Hydromorphone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2013-12",
      "completion_date": "2015-03",
      "has_results": true,
      "last_update_posted_date": "2017-09-25",
      "last_synced_at": "2026-10-28T09:21:58.526Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02164929"
    },
    {
      "nct_id": "NCT04413799",
      "title": "PVB vs Ketamine/Lidocaine in Rib Fracture Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Rib Fractures",
        "Rib Trauma",
        "Rib Fracture Multiple",
        "Pain, Acute"
      ],
      "interventions": [
        {
          "name": "lidocaine, ketamine intravenous infusion",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "paravertebral block with ropivicaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT",
        "DRUG"
      ],
      "sponsor": "George Washington University",
      "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": 32,
      "start_date": "2020-09-01",
      "completion_date": "2025-01-01",
      "has_results": false,
      "last_update_posted_date": "2025-06-22",
      "last_synced_at": "2026-10-28T09:21:58.526Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04413799"
    },
    {
      "nct_id": "NCT03860974",
      "title": "Serratus Plane Versus Paravertebral Nerve Blocks for Breast Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Surgery"
      ],
      "interventions": [
        {
          "name": "Serratus Plane block (single injection)",
          "type": "DRUG"
        },
        {
          "name": "Paravertebral block (single injection)",
          "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": 100,
      "start_date": "2019-05-09",
      "completion_date": "2021-02-13",
      "has_results": true,
      "last_update_posted_date": "2022-09-21",
      "last_synced_at": "2026-10-28T09:21:58.526Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03860974"
    }
  ]
}