{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=paravertebral+blocks&page=2",
    "query": {
      "intervention": "paravertebral blocks",
      "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=paravertebral+blocks&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-10T14:35:18.010Z",
  "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": "NCT04472299",
      "title": "Paravertebral Block to Reduce the Incidence of New Onset Atrial Fibrillation After Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "New Onset Atrial Fibrillation",
        "Anesthesia, Local",
        "Cardiac Disease"
      ],
      "interventions": [
        {
          "name": "Ropivacaine 0.2% Injectable Solution",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 32,
      "start_date": "2021-04-09",
      "completion_date": "2025-07-08",
      "has_results": false,
      "last_update_posted_date": "2025-08-05",
      "last_synced_at": "2026-09-10T14:35:18.010Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04472299"
    },
    {
      "nct_id": "NCT00720330",
      "title": "Lidocaine and Ketamine Versus Standard Care on Acute and Chronic Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain",
        "Nausea"
      ],
      "interventions": [
        {
          "name": "ropivacaine",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine/Ketamine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "MALE",
        "summary": "18 Years to 75 Years · Male only"
      },
      "enrollment_count": 12,
      "start_date": "2008-07",
      "completion_date": "2010-02",
      "has_results": true,
      "last_update_posted_date": "2019-03-12",
      "last_synced_at": "2026-09-10T14:35:18.010Z",
      "location_count": 1,
      "location_summary": "Mayfield Heights, Ohio",
      "locations": [
        {
          "city": "Mayfield Heights",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00720330"
    },
    {
      "nct_id": "NCT04864210",
      "title": "Video-assisted Thoracoscopic Surgery - Exparel Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Liposomal bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Nada Sadek",
      "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": 176,
      "start_date": "2021-02-02",
      "completion_date": "2025-01-30",
      "has_results": true,
      "last_update_posted_date": "2026-05-06",
      "last_synced_at": "2026-09-10T14:35:18.010Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04864210"
    },
    {
      "nct_id": "NCT04017702",
      "title": "Detection of Postoperative Respiratory Depression in High Risk Patients Utilizing Minute Ventilation Monitoring",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Respiratory Depression"
      ],
      "interventions": [
        {
          "name": "Expiron respirator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Yale 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": 86,
      "start_date": "2018-06-20",
      "completion_date": "2020-02-20",
      "has_results": false,
      "last_update_posted_date": "2022-04-01",
      "last_synced_at": "2026-09-10T14:35:18.010Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04017702"
    },
    {
      "nct_id": "NCT01571492",
      "title": "Continuous L2 Paravertebral Block Versus Continuous Lumbar Plexus Block for Postoperative Analgesia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Total Hip Arthroplasty"
      ],
      "interventions": [
        {
          "name": "L2 Paravertebral catheter nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Continuous Lumbar plexus nerve block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Pittsburgh",
      "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": 60,
      "start_date": "2009-06",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2017-06-07",
      "last_synced_at": "2026-09-10T14:35:18.010Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01571492"
    },
    {
      "nct_id": "NCT02911168",
      "title": "Comparison of US-Guided Paravertebral and Proximal Intercostal Nerve Blocks",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Proximal Intercostal Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Paravertebral Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 85 Years · Female only"
      },
      "enrollment_count": 20,
      "start_date": "2016-09-09",
      "completion_date": "2020-01-07",
      "has_results": false,
      "last_update_posted_date": "2025-11-25",
      "last_synced_at": "2026-09-10T14:35:18.010Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02911168"
    },
    {
      "nct_id": "NCT05544721",
      "title": "A Study of Paravertebral Block in Thoracic Outlet Syndrome",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Thoracic Outlet Syndrome"
      ],
      "interventions": [
        {
          "name": "Ropivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": "2022-10-05",
      "completion_date": "2027-08",
      "has_results": false,
      "last_update_posted_date": "2025-11-14",
      "last_synced_at": "2026-09-10T14:35:18.010Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05544721"
    },
    {
      "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": "2026-09-10T14:35:18.010Z",
      "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": "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": "2026-09-10T14:35:18.010Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01943240"
    },
    {
      "nct_id": "NCT00639795",
      "title": "Study of the Effect of Regional Nerve Blocks on Pain and Inflammation After Video Assisted Thorascopic Lung Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Thoracic Paravertebral Nerve Block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Memorial 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": 60,
      "start_date": "2008-03",
      "completion_date": "2011-03",
      "has_results": false,
      "last_update_posted_date": "2013-07-03",
      "last_synced_at": "2026-09-10T14:35:18.010Z",
      "location_count": 1,
      "location_summary": "Johnstown, Pennsylvania",
      "locations": [
        {
          "city": "Johnstown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00639795"
    }
  ]
}