{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Block+performed&page=20",
    "query": {
      "intervention": "Block performed",
      "page": 20
    },
    "page_size": 10
  },
  "pagination": {
    "page": 20,
    "page_size": 10,
    "total_count": 553,
    "total_pages": 56,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Block+performed&page=21&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Block+performed&page=19&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-03T16:47:05.398Z",
  "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": "NCT04682652",
      "title": "Genicular Artery Embolization Vs Observation for Symptomatic Knee Osteoarthritis",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Knee Osteoarthritis",
        "Degenerative Joint Disease of Knee"
      ],
      "interventions": [
        {
          "name": "Embozene MicroSpheres",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "40 Years to 79 Years"
      },
      "enrollment_count": 100,
      "start_date": "2023-08-01",
      "completion_date": "2027-10-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-11-03T16:47:05.398Z",
      "location_count": 1,
      "location_summary": "Santa Monica, California",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04682652"
    },
    {
      "nct_id": "NCT03863327",
      "title": "EKG Criteria and Identification of Acute Coronary Occlusion",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Coronary Syndrome",
        "STEMI",
        "STEMI - ST Elevation Myocardial Infarction",
        "Acute Coronary Artery Thrombosis (Diagnosis)",
        "NSTEMI - Non-ST Segment Elevation MI",
        "Non-ST Elevation Myocardial Infarction",
        "Non ST Segment Elevation Myocardial Infarction",
        "Non ST Segment Elevation Acute Coronary Syndrome",
        "Non-ST Elevation Myocardial Infarction (nSTEMI)",
        "Non STEMI"
      ],
      "interventions": [
        {
          "name": "No intervention",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Stony Brook University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2000,
      "start_date": "2018-05-01",
      "completion_date": "2019-06",
      "has_results": false,
      "last_update_posted_date": "2019-03-05",
      "last_synced_at": "2026-11-03T16:47:05.398Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Stony Brook, New York",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Stony Brook",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03863327"
    },
    {
      "nct_id": "NCT02524145",
      "title": "Chronotropic Incompetence in Patients With HFpEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Static Handgrip",
          "type": "OTHER"
        },
        {
          "name": "Dexmedetomidine",
          "type": "DRUG"
        },
        {
          "name": "Glycopyrrolate",
          "type": "DRUG"
        },
        {
          "name": "Isoproterenol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 40,
      "start_date": "2015-06",
      "completion_date": "2017-11-15",
      "has_results": true,
      "last_update_posted_date": "2020-08-06",
      "last_synced_at": "2026-11-03T16:47:05.398Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02524145"
    },
    {
      "nct_id": "NCT01218854",
      "title": "A Comparison of Methods for Assisting Needle Angle Selection During Image-guided Tissue Biopsy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Lung Neoplasms",
        "Liver Neoplasms",
        "Kidney Neoplasms",
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Needle angle measurement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Institutes of Health Clinical Center (CC)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2012-03-20",
      "completion_date": "2016-11-16",
      "has_results": false,
      "last_update_posted_date": "2025-09-22",
      "last_synced_at": "2026-11-03T16:47:05.398Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01218854"
    },
    {
      "nct_id": "NCT02866344",
      "title": "Resection Versus Microwave Ablation for Resectable Colorectal Cancer Liver Metastases",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Colorectal Neoplasms",
        "Neoplasm Metastasis",
        "Hepatic Neoplasms"
      ],
      "interventions": [
        {
          "name": "Microwave ablation",
          "type": "PROCEDURE"
        },
        {
          "name": "Hepatic resection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "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": 1,
      "start_date": "2016-08",
      "completion_date": "2018-02",
      "has_results": false,
      "last_update_posted_date": "2022-04-26",
      "last_synced_at": "2026-11-03T16:47:05.398Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02866344"
    },
    {
      "nct_id": "NCT04255420",
      "title": "SPG Blocks for Headaches",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Headache"
      ],
      "interventions": [
        {
          "name": "SPG Block",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard IV Treatment",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Kendall Healthcare Group, Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 84,
      "start_date": "2020-02-21",
      "completion_date": "2021-06-01",
      "has_results": false,
      "last_update_posted_date": "2020-09-03",
      "last_synced_at": "2026-11-03T16:47:05.398Z",
      "location_count": 1,
      "location_summary": "Miami, Florida",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04255420"
    },
    {
      "nct_id": "NCT06884423",
      "title": "Safety and Efficacy of FETO in CDH: A Phase III Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Congenital Diaphragmatic Hernia",
        "Pulmonary Hypoplasia"
      ],
      "interventions": [
        {
          "name": "FETO with GoldBAL2 Balloon and BALTACCIBDPE100 Catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Holly L Hedrick, MD",
      "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": 80,
      "start_date": "2025-04-07",
      "completion_date": "2032-04",
      "has_results": false,
      "last_update_posted_date": "2026-07-22",
      "last_synced_at": "2026-11-03T16:47:05.398Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06884423"
    },
    {
      "nct_id": "NCT06934213",
      "title": "Experiment 3: Mixed vs Blocked; Dashboard Paradigm",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Vision",
        "Healthy",
        "Attention"
      ],
      "interventions": [
        {
          "name": "Choice",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mixed trials",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2024-06-01",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-11-03T16:47:05.398Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06934213"
    },
    {
      "nct_id": "NCT04840342",
      "title": "MR Antagonist and LSD1",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Hypertension",
        "Mineralocorticoid Excess"
      ],
      "interventions": [
        {
          "name": "Eplerenone",
          "type": "DRUG"
        },
        {
          "name": "Amlodipine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "17 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "17 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2022-02-03",
      "completion_date": "2025-12-15",
      "has_results": false,
      "last_update_posted_date": "2026-10-01",
      "last_synced_at": "2026-11-03T16:47:05.398Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04840342"
    },
    {
      "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": "2026-11-03T16:47:05.398Z",
      "location_count": 1,
      "location_summary": "Port Jefferson, New York",
      "locations": [
        {
          "city": "Port Jefferson",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04774029"
    }
  ]
}