{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Defibrillator",
    "query": {
      "condition": "Defibrillator"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 254,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Defibrillator&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-02T12:35:34.559Z",
  "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": "NCT01464476",
      "title": "Efficacy and Safety Study of Azimilide on the Incidence of Cardiovascular Hospitalizations/Emergency Department Visits or Cardiovascular Death in Patients With an Implantable Cardioverter Defibrillator (ICD) (SHIELD-2)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Arrhythmias, Cardiac",
        "Heart Diseases",
        "Cardiovascular Diseases",
        "Implantable Cardioverter Defibrillator"
      ],
      "interventions": [
        {
          "name": "Azimilide Dihydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 240,
      "start_date": "2011-11",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2013-05-06",
      "last_synced_at": "2026-09-02T12:35:34.559Z",
      "location_count": 83,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Phoenix, Arizona + 72 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Merced",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01464476"
    },
    {
      "nct_id": "NCT06703489",
      "title": "Safety and Performance Assessment of the Sphere-9™ Catheter and Affera™ Ablation System for the Treatment of Ventricular Tachycardia (Sphere-9 VT EFS)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventricular Tachycardia (VT)"
      ],
      "interventions": [
        {
          "name": "Sphere-9 Catheter with the Affera Mapping and Ablation System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Ablation Solutions",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 60,
      "start_date": "2025-03-18",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-16",
      "last_synced_at": "2026-09-02T12:35:34.559Z",
      "location_count": 6,
      "location_summary": "Boston, Massachusetts • New York, New York • Cleveland, Ohio + 3 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06703489"
    },
    {
      "nct_id": "NCT02991716",
      "title": "Surface Electrocardiogram (ECG) Signal Recording for Implantable Subcutaneous String Defibrillator (ISSD) Development",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arrhythmia, Cardiac"
      ],
      "interventions": [
        {
          "name": "recorded patients",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "NewPace Ltd",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": null,
        "summary": "Not listed"
      },
      "enrollment_count": 50,
      "start_date": "2016-01",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2018-01-17",
      "last_synced_at": "2026-09-02T12:35:34.559Z",
      "location_count": 1,
      "location_summary": "Atlantis, Florida",
      "locations": [
        {
          "city": "Atlantis",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02991716"
    },
    {
      "nct_id": "NCT06965621",
      "title": "18F-mFBG Imaging for Myocardial Sympathetic Innervation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure",
        "Ischemic Cardiomyopathy",
        "ICD Patients"
      ],
      "interventions": [
        {
          "name": "18F-metaFluorobenzylguanidine",
          "type": "DRUG"
        },
        {
          "name": "Rubidium-82",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Innervate Radiopharmaceuticals LLC (Formerly: Illumina Radiopharmaceuticals LLC)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2025-11-05",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-01",
      "last_synced_at": "2026-09-02T12:35:34.559Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06965621"
    },
    {
      "nct_id": "NCT04495712",
      "title": "Antiarrhythmic Effects of Spironolactone in Patients With ICDs",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ventricular Arrhythmias"
      ],
      "interventions": [
        {
          "name": "spironolactone",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2004-07-28",
      "completion_date": "2008-05-28",
      "has_results": true,
      "last_update_posted_date": "2020-10-09",
      "last_synced_at": "2026-09-02T12:35:34.559Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04495712"
    },
    {
      "nct_id": "NCT01013311",
      "title": "Implantable Cardiac Defibrillators for the Prevention of Sudden Death in Patients With Cardiac Sarcoidosis",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sarcoidosis of the Heart",
        "Cardiomyopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2009-11",
      "completion_date": "2010-12",
      "has_results": false,
      "last_update_posted_date": "2023-06-05",
      "last_synced_at": "2026-09-02T12:35:34.559Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01013311"
    },
    {
      "nct_id": "NCT01300377",
      "title": "A Trial Assessing The Association Between Type Of Local Anesthesia Treatment And Postoperative Pain In Patients In Having Undergone Arrhythmia Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-operative Pain"
      ],
      "interventions": [
        {
          "name": "Bupivacaine / Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2008-11",
      "completion_date": "2018-12-26",
      "has_results": true,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-09-02T12:35:34.559Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01300377"
    },
    {
      "nct_id": "NCT01446965",
      "title": "Vest Prevention of Early Sudden Death Trial and VEST Registry",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myocardial Infarction",
        "Ventricular Dysfunction",
        "Sudden Death",
        "Ventricular Tachycardia",
        "Ventricular Fibrillation"
      ],
      "interventions": [
        {
          "name": "wearable defibrillator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2348,
      "start_date": "2008-07",
      "completion_date": "2019-05-31",
      "has_results": true,
      "last_update_posted_date": "2021-01-20",
      "last_synced_at": "2026-09-02T12:35:34.559Z",
      "location_count": 57,
      "location_summary": "Anchorage, Alaska • Fresno, California • Salinas, California + 47 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Salinas",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01446965"
    },
    {
      "nct_id": "NCT00851071",
      "title": "Interventional Study of Anxiety Symptoms in the Implantable Cardioverter Defibrillator (ICD) Patient",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anxiety"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 28,
      "start_date": "2009-02",
      "completion_date": "2017-12-20",
      "has_results": false,
      "last_update_posted_date": "2017-12-22",
      "last_synced_at": "2026-09-02T12:35:34.559Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00851071"
    },
    {
      "nct_id": "NCT01858194",
      "title": "REnal Sympathetic dEnervaTion as an a Adjunct to Catheter-based VT Ablation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "Renal sympathetic denervation",
          "type": "DEVICE"
        },
        {
          "name": "VT ablation alone",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vivek Reddy",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 21,
      "start_date": "2013-03",
      "completion_date": "2017-09-01",
      "has_results": true,
      "last_update_posted_date": "2020-04-17",
      "last_synced_at": "2026-09-02T12:35:34.559Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01858194"
    }
  ]
}