{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Paravertebral+block+%28single+injection%29",
    "query": {
      "intervention": "Paravertebral block (single injection)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T19:45:51.290Z",
  "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": "NCT00847067",
      "title": "Chronic Post Breast Surgery Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Paravertebral block",
          "type": "PROCEDURE"
        },
        {
          "name": "Sham injections",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 80 Years · Female only"
      },
      "enrollment_count": 40,
      "start_date": "2009-02",
      "completion_date": "2010-04",
      "has_results": false,
      "last_update_posted_date": "2010-06-11",
      "last_synced_at": "2026-09-27T19:45:51.290Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00847067"
    },
    {
      "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": "2026-09-27T19:45:51.290Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00542542"
    },
    {
      "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": "2026-09-27T19:45:51.290Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04481451"
    },
    {
      "nct_id": "NCT07209436",
      "title": "Impact of Pectoral Versus Paravertebral Blocks on Pain and Physical Well-Being in Implant-Based Breast Reconstruction",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Breast Reconstruction"
      ],
      "interventions": [
        {
          "name": "Paravertebral block (single injection)",
          "type": "PROCEDURE"
        },
        {
          "name": "Pectoral block",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Amy Colwell",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 212,
      "start_date": "2025-11-19",
      "completion_date": "2028-06",
      "has_results": false,
      "last_update_posted_date": "2026-01-22",
      "last_synced_at": "2026-09-27T19:45:51.290Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07209436"
    },
    {
      "nct_id": "NCT03151434",
      "title": "Comparison of Three Different Pain Blocks for Subjects Undergoing VATS (Video Assisted Thoracoscopic Surgery) Procedure.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Video Assisted Thoracoscopic Surgery",
        "Pain, Postoperative",
        "Pain, Acute"
      ],
      "interventions": [
        {
          "name": "US Guided Single Shot Paravertebral Block (0.2% ropivicaine infusion)",
          "type": "DRUG"
        },
        {
          "name": "US Guided Paravertebral Catheter (0.2% ropivicaine bolus)",
          "type": "DRUG"
        },
        {
          "name": "Thoracic Epidural (0.125% bupivicaine/hydromorphone)",
          "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": 147,
      "start_date": "2017-02-07",
      "completion_date": "2018-07-30",
      "has_results": true,
      "last_update_posted_date": "2021-01-27",
      "last_synced_at": "2026-09-27T19:45:51.290Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03151434"
    },
    {
      "nct_id": "NCT03549234",
      "title": "Erector Spinae Versus Paravertebral Nerve Blocks for Breast Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Surgery"
      ],
      "interventions": [
        {
          "name": "Erector Spinae (single injection)",
          "type": "DRUG"
        },
        {
          "name": "Paravertebral (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": "2018-07-12",
      "completion_date": "2019-05-08",
      "has_results": true,
      "last_update_posted_date": "2020-07-24",
      "last_synced_at": "2026-09-27T19:45:51.290Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03549234"
    },
    {
      "nct_id": "NCT04742309",
      "title": "Pectoralis Block vs Paravertebral Nerve Blocks for Breast Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Breast Surgery"
      ],
      "interventions": [
        {
          "name": "Pecs-2 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": 119,
      "start_date": "2021-02-25",
      "completion_date": "2023-08-31",
      "has_results": true,
      "last_update_posted_date": "2024-06-26",
      "last_synced_at": "2026-09-27T19:45:51.290Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04742309"
    },
    {
      "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": "2026-09-27T19:45:51.290Z",
      "location_count": 1,
      "location_summary": "Johnstown, Pennsylvania",
      "locations": [
        {
          "city": "Johnstown",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00639795"
    },
    {
      "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": "2026-09-27T19:45:51.290Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02164929"
    },
    {
      "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": "2026-09-27T19:45:51.290Z",
      "location_count": 1,
      "location_summary": "San Diego, California",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03860974"
    }
  ]
}