{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Implantable+Cardioverter-defibrillators+%28ICDs%29&page=4",
    "query": {
      "condition": "Implantable Cardioverter-defibrillators (ICDs)",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 165,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Implantable+Cardioverter-defibrillators+%28ICDs%29&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Implantable+Cardioverter-defibrillators+%28ICDs%29&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-10T23:40:36.803Z",
  "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": "NCT07585968",
      "title": "Safety and Effectiveness of the Sphere-9™ Catheter and Affera™ Ablation System for the Treatment of Ventricular Tachycardia (Sphere VT)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventricular Tachycardia"
      ],
      "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": 260,
      "start_date": "2026-08-17",
      "completion_date": "2028-09",
      "has_results": false,
      "last_update_posted_date": "2026-09-29",
      "last_synced_at": "2026-10-10T23:40:36.803Z",
      "location_count": 5,
      "location_summary": "Indianapolis, Indiana • Manhasset, New York • Winston-Salem, North Carolina + 2 more",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Manhasset",
          "state": "New York"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07585968"
    },
    {
      "nct_id": "NCT01161589",
      "title": "First Arrhythmia Collection of Transvenous and Simultaneous Subcutaneous Implantable Defibrillator Data",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Tachycardia",
        "Ventricular Fibrillation",
        "Atrial Fibrillation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 142,
      "start_date": "2005-10",
      "completion_date": "2008-11",
      "has_results": false,
      "last_update_posted_date": "2017-02-16",
      "last_synced_at": "2026-10-10T23:40:36.803Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Charleston, South Carolina • Richmond, Virginia",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Charleston",
          "state": "South Carolina"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01161589"
    },
    {
      "nct_id": "NCT01999140",
      "title": "Implantable Cardioverter Defibrillator (ICD Registry)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Nonischemic Cardiomyopathy",
        "Ischemic Cardiomyopathy",
        "Ventricular Arrhythmia",
        "Complications; Device, Cardiac"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "American College of Cardiology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1750,
      "start_date": "2005-06",
      "completion_date": "2030-06",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-10-10T23:40:36.803Z",
      "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/NCT01999140"
    },
    {
      "nct_id": "NCT01605500",
      "title": "Utility of the Audible Alert in Current Generation Medtronic Implantable Cardioverter-defibrillators",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Patients With a Generation 2 Medtronic Implantable Cardioverter-defibrillator(ICD)"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Englewood Hospital and 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": 100,
      "start_date": "2012-06",
      "completion_date": "2015-06",
      "has_results": false,
      "last_update_posted_date": "2016-02-19",
      "last_synced_at": "2026-10-10T23:40:36.803Z",
      "location_count": 1,
      "location_summary": "Englewood, New Jersey",
      "locations": [
        {
          "city": "Englewood",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01605500"
    },
    {
      "nct_id": "NCT04974762",
      "title": "Truncal Blocks Versus Wound Infiltration for SICD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Intraoperative Pain",
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Wound infiltration",
          "type": "PROCEDURE"
        },
        {
          "name": "Truncal blocks",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 24,
      "start_date": "2019-01-23",
      "completion_date": "2022-02-18",
      "has_results": false,
      "last_update_posted_date": "2022-08-04",
      "last_synced_at": "2026-10-10T23:40:36.803Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04974762"
    },
    {
      "nct_id": "NCT02969395",
      "title": "3T MRI CIED Post-Approval Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Rhythm Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medtronic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 41,
      "start_date": "2016-04",
      "completion_date": "2021-10-15",
      "has_results": false,
      "last_update_posted_date": "2022-08-22",
      "last_synced_at": "2026-10-10T23:40:36.803Z",
      "location_count": 118,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Chandler, Arizona + 115 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02969395"
    },
    {
      "nct_id": "NCT00542854",
      "title": "iPod and Other MP3 Players on ICDs and Pacemakers in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Block",
        "Bradycardia",
        "Tachycardia",
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "MP3",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "4 Years to 55 Years"
      },
      "enrollment_count": 100,
      "start_date": "2007-10",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2009-01-28",
      "last_synced_at": "2026-10-10T23:40:36.803Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00542854"
    },
    {
      "nct_id": "NCT01514773",
      "title": "Patient and Physician Survey Determinants of Appropriate ICD Utilization",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure, Systolic"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Todd M Koelling, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 452,
      "start_date": "2011-08",
      "completion_date": "2013-08-30",
      "has_results": false,
      "last_update_posted_date": "2017-03-17",
      "last_synced_at": "2026-10-10T23:40:36.803Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01514773"
    },
    {
      "nct_id": "NCT00498524",
      "title": "Risk of Life-threatening Heart Rhythm Disturbances in Siblings",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Defibrillators, Implantable",
        "Myocardial Infarction",
        "Tachycardias, Ventricular"
      ],
      "interventions": [
        {
          "name": "ICD",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 2047,
      "start_date": "2007-07",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2012-12-07",
      "last_synced_at": "2026-10-10T23:40:36.803Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00498524"
    },
    {
      "nct_id": "NCT01252615",
      "title": "Patient and Partner Intervention After an Implantable Cardioverter Defibrillator (ICD)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Implantable Cardioverter Defibrillator (ICD)"
      ],
      "interventions": [
        {
          "name": "patient only",
          "type": "BEHAVIORAL"
        },
        {
          "name": "patient and partner intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Washington",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 301,
      "start_date": "2009-07",
      "completion_date": "2015-10",
      "has_results": false,
      "last_update_posted_date": "2016-10-26",
      "last_synced_at": "2026-10-10T23:40:36.803Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01252615"
    }
  ]
}