{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Block+performed&page=3",
    "query": {
      "intervention": "Block performed",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 553,
    "total_pages": 56,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Block+performed&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Block+performed&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T15:58:28.592Z",
  "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": "NCT02181205",
      "title": "Sphenopalatine Ganglion Block for Post-Dural Puncture Headache",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postdural Puncture Headache",
        "Sphenopalatine Ganglion Block"
      ],
      "interventions": [
        {
          "name": "bupivacaine",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2014-11",
      "completion_date": "2016-12-31",
      "has_results": false,
      "last_update_posted_date": "2017-11-08",
      "last_synced_at": "2026-10-29T15:58:28.592Z",
      "location_count": 1,
      "location_summary": "Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02181205"
    },
    {
      "nct_id": "NCT03683069",
      "title": "Mineralocorticoid Receptor (MR) Antagonist (Eplerenone) vs Amlodipine and STRIATIN",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension",
        "Genetics Hypertension"
      ],
      "interventions": [
        {
          "name": "Eplerenone vs Amlodipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 90,
      "start_date": "2019-01-15",
      "completion_date": "2024-01-31",
      "has_results": true,
      "last_update_posted_date": "2025-03-19",
      "last_synced_at": "2026-10-29T15:58:28.592Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03683069"
    },
    {
      "nct_id": "NCT02513329",
      "title": "Stellate Ganglion Block (SGB) For Women for Breast Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hot Flushes",
        "Hot Flashes"
      ],
      "interventions": [
        {
          "name": "Bupivicaine",
          "type": "DRUG"
        },
        {
          "name": "Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwestern University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "30 Years",
        "maximum_age": "70 Years",
        "sex": "FEMALE",
        "summary": "30 Years to 70 Years · Female only"
      },
      "enrollment_count": 37,
      "start_date": "2015-07",
      "completion_date": "2020-01",
      "has_results": true,
      "last_update_posted_date": "2023-06-05",
      "last_synced_at": "2026-10-29T15:58:28.592Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02513329"
    },
    {
      "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": "2026-10-29T15:58:28.592Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02164929"
    },
    {
      "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": "2026-10-29T15:58:28.592Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04481451"
    },
    {
      "nct_id": "NCT01752010",
      "title": "Comparing Acupuncture, BioModulator, and Transcutaneous Electrical Nerve Stimulation for Symptomatic Treatment of Chronic Pain.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain",
        "Depression",
        "PTSD Symptoms",
        "Sleep"
      ],
      "interventions": [
        {
          "name": "Traditional Chinese Acupuncture",
          "type": "OTHER"
        },
        {
          "name": "Tennant™ Biomodulator Treatment",
          "type": "DEVICE"
        },
        {
          "name": "Transcutaneous electrical nerve stimulation (TENS) Treatment",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DEVICE"
      ],
      "sponsor": "Samueli Institute for Information Biology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 98,
      "start_date": "2010-05",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2015-05-19",
      "last_synced_at": "2026-10-29T15:58:28.592Z",
      "location_count": 1,
      "location_summary": "Fort Sam Houston, Texas",
      "locations": [
        {
          "city": "Fort Sam Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01752010"
    },
    {
      "nct_id": "NCT04774029",
      "title": "Basivertebral Nerve Block During Vertebral Augmentation: An Alternative Approach to Intraprocedural Pain Management",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Vertebral Compression",
        "Vertebra Compression Fracture",
        "Vertebral Fracture"
      ],
      "interventions": [
        {
          "name": "Basivertebral nerve block",
          "type": "PROCEDURE"
        },
        {
          "name": "Lidocaine induced basivertebral nerve block",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "50 Years to 100 Years"
      },
      "enrollment_count": 10,
      "start_date": "2020-01-10",
      "completion_date": "2020-05-01",
      "has_results": false,
      "last_update_posted_date": "2021-02-26",
      "last_synced_at": "2026-10-29T15:58:28.592Z",
      "location_count": 1,
      "location_summary": "Port Jefferson, New York",
      "locations": [
        {
          "city": "Port Jefferson",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04774029"
    },
    {
      "nct_id": "NCT04962529",
      "title": "Breast Cancer Liquid Biopsy Trial",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Anthony Magliocco",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 450,
      "start_date": "2020-09-28",
      "completion_date": "2023-07-31",
      "has_results": false,
      "last_update_posted_date": "2022-08-11",
      "last_synced_at": "2026-10-29T15:58:28.592Z",
      "location_count": 7,
      "location_summary": "Hollywood, Florida • Ocala, Florida • Orlando, Florida + 4 more",
      "locations": [
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Ocala",
          "state": "Florida"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Arlington Heights",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04962529"
    },
    {
      "nct_id": "NCT07276906",
      "title": "Comparing Intramuscular Fentanyl and Ketorolac With Nerve of Arnold (NOA) Block for Bilateral Myringotomy",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "Nerve of Arnold Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Sham Intramuscular Injection",
          "type": "PROCEDURE"
        },
        {
          "name": "Sham Nerve of Arnold Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Dexmedetomidine",
          "type": "DRUG"
        },
        {
          "name": "Bupivacaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of South Alabama",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "6 Years",
        "sex": "ALL",
        "summary": "6 Months to 6 Years"
      },
      "enrollment_count": 300,
      "start_date": "2026-01",
      "completion_date": "2026-08",
      "has_results": false,
      "last_update_posted_date": "2025-12-11",
      "last_synced_at": "2026-10-29T15:58:28.592Z",
      "location_count": 1,
      "location_summary": "Mobile, Alabama",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07276906"
    },
    {
      "nct_id": "NCT05833217",
      "title": "Obesity, Insulin Resistance, and PASC: Persistent SARS-CoV-2",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Long COVID",
        "Insulin Resistance",
        "Insulin Sensitivity"
      ],
      "interventions": [
        {
          "name": "Adipose Tissue Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Steady State Plasma Glucose (SSPG) Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Stanford University",
      "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": 55,
      "start_date": "2023-06-06",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-12-04",
      "last_synced_at": "2026-10-29T15:58:28.592Z",
      "location_count": 2,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05833217"
    }
  ]
}