{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=paravertebral+blocks",
    "query": {
      "intervention": "paravertebral blocks"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 53,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=paravertebral+blocks&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T09:00:31.209Z",
  "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": "NCT01217593",
      "title": "Ultrasound vs. Predetermined Distance Techniques for Paravertebral Nerve Block in Patients Having Breast Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mastectomy",
        "Breast Neoplasms"
      ],
      "interventions": [
        {
          "name": "ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "predetermined distance",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Ochsner Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "25 Years to 85 Years · Female only"
      },
      "enrollment_count": 60,
      "start_date": "2010-10",
      "completion_date": "2016-10",
      "has_results": false,
      "last_update_posted_date": "2014-03-21",
      "last_synced_at": "2026-09-10T09:00:31.209Z",
      "location_count": 1,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01217593"
    },
    {
      "nct_id": "NCT03480984",
      "title": "Continuous Versus Intermittent Bolus Infusion of Paravertebral Blocks for Thoracic Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Thoracic Diseases"
      ],
      "interventions": [
        {
          "name": "Programmed Intermittent Bolus",
          "type": "OTHER"
        },
        {
          "name": "Continuous Infusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2018-02-05",
      "completion_date": "2020-01-31",
      "has_results": false,
      "last_update_posted_date": "2020-04-01",
      "last_synced_at": "2026-09-10T09:00:31.209Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03480984"
    },
    {
      "nct_id": "NCT00542542",
      "title": "Evaluate the Use of Paravertebral Block in Reconstructive Breast Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Paravertebral Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Propofol",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Midazolam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "M.D. Anderson Cancer Center",
      "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": "2007-09",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2015-04-13",
      "last_synced_at": "2026-09-10T09:00:31.209Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00542542"
    },
    {
      "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": "2026-09-10T09:00:31.209Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01943240"
    },
    {
      "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": "2026-09-10T09:00:31.209Z",
      "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": "2026-09-10T09:00:31.209Z",
      "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": "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": "2026-09-10T09:00:31.209Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02164929"
    },
    {
      "nct_id": "NCT02769429",
      "title": "Continuous Blockade of the Brachial Plexus",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arthroses",
        "Degenerative Disorder",
        "Osteoarthritis"
      ],
      "interventions": [
        {
          "name": "Ultrasound-guided CISB",
          "type": "DEVICE"
        },
        {
          "name": "nerve stimulator-guided CCPVB",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Florida",
      "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": 53,
      "start_date": "2016-09-19",
      "completion_date": "2018-09-26",
      "has_results": false,
      "last_update_posted_date": "2019-07-25",
      "last_synced_at": "2026-09-10T09:00:31.209Z",
      "location_count": 2,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02769429"
    },
    {
      "nct_id": "NCT03656679",
      "title": "Paravertebral Versus Pectoralis Block for Post Mastectomy Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative",
        "Post-Mastectomy Chronic Pain Syndrome",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Pectoralis Blockade (PECs)",
          "type": "PROCEDURE"
        },
        {
          "name": "Paravertebral Blockade",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 18,
      "start_date": "2018-10-18",
      "completion_date": "2020-02-28",
      "has_results": false,
      "last_update_posted_date": "2021-05-03",
      "last_synced_at": "2026-09-10T09:00:31.209Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03656679"
    },
    {
      "nct_id": "NCT00587704",
      "title": "Paravertebral Blocks: Pilot Study to Compare Nerve Stimulation vs. Anatomic Landmarks in Inguinal Hernia Repair",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inguinal Hernia"
      ],
      "interventions": [
        {
          "name": "PVB using nerve stimulation",
          "type": "PROCEDURE"
        },
        {
          "name": "PVB using anatomic landmarks",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2007-07",
      "completion_date": "2009-05",
      "has_results": false,
      "last_update_posted_date": "2010-02-23",
      "last_synced_at": "2026-09-10T09:00:31.209Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00587704"
    }
  ]
}