{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Defibrillator&page=4",
    "query": {
      "condition": "Defibrillator",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 255,
    "total_pages": 26,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Defibrillator&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Defibrillator&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-20T06:52:24.197Z",
  "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": "NCT00253357",
      "title": "PROSPECT: Predictors of Response to Cardiac Re-Synchronization Therapy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Congestive Heart Failure",
        "Cardiomyopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "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": "2004-03",
      "completion_date": "2006-06",
      "has_results": false,
      "last_update_posted_date": "2007-12-21",
      "last_synced_at": "2026-10-20T06:52:24.197Z",
      "location_count": 16,
      "location_summary": "Several Locations, California • Gainsville, Florida • Atlanta, Georgia + 13 more",
      "locations": [
        {
          "city": "Several Locations",
          "state": "California"
        },
        {
          "city": "Gainsville",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Columbus",
          "state": "Illinois"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00253357"
    },
    {
      "nct_id": "NCT01999751",
      "title": "Study to Monitor Patients With Pacemakers or ICDs Who Undergo MRI Scans",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arrhythmias, Cardiac"
      ],
      "interventions": [
        {
          "name": "MRI Scan",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Essentia Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 124,
      "start_date": "2012-10",
      "completion_date": "2018-04-11",
      "has_results": false,
      "last_update_posted_date": "2018-04-12",
      "last_synced_at": "2026-10-20T06:52:24.197Z",
      "location_count": 1,
      "location_summary": "Duluth, Minnesota",
      "locations": [
        {
          "city": "Duluth",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01999751"
    },
    {
      "nct_id": "NCT02825966",
      "title": "Heart Sounds Measurement Using the Wearable Cardioverter Defibrillator (HS-WCD) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "AUDICOR then LifeVest then AUDICOR",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zoll Medical Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2016-02",
      "completion_date": "2016-03",
      "has_results": true,
      "last_update_posted_date": "2020-12-02",
      "last_synced_at": "2026-10-20T06:52:24.197Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02825966"
    },
    {
      "nct_id": "NCT01085175",
      "title": "Trial to Determine Imaging Parameters of LMI1195 in Heart Failure Patients at Low and High Risk of Defibrillator Firing",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "LMI 1195",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Lantheus Medical Imaging",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2010-05",
      "completion_date": "2011-02",
      "has_results": false,
      "last_update_posted_date": "2015-10-14",
      "last_synced_at": "2026-10-20T06:52:24.197Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01085175"
    },
    {
      "nct_id": "NCT01045343",
      "title": "Feasibility Study of an Integrated Diagnostic System to Manage Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Integrated diagnositic system",
          "type": "OTHER"
        },
        {
          "name": "Routine in office visits",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 136,
      "start_date": "2010-03",
      "completion_date": "2012-02",
      "has_results": false,
      "last_update_posted_date": "2012-04-17",
      "last_synced_at": "2026-10-20T06:52:24.197Z",
      "location_count": 13,
      "location_summary": "Anchorage, Alaska • Aurora, Colorado • Tampa, Florida + 10 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01045343"
    },
    {
      "nct_id": "NCT00940888",
      "title": "SJ4 Post Approval Study in Implantable Cardioverter-Defibrillator and Cardiac Resynchronization Therapy Defibrillator Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Tachyarrhythmias",
        "Sudden Cardiac Death",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "SJ4 connector and RV high voltage SJ4 lead",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1701,
      "start_date": "2009-06",
      "completion_date": "2015-12",
      "has_results": true,
      "last_update_posted_date": "2019-02-04",
      "last_synced_at": "2026-10-20T06:52:24.197Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00940888"
    },
    {
      "nct_id": "NCT02548819",
      "title": "University Hospital Cardiac Device MR Registry: The Safety of MR Imaging in Patients With Implanted Cardiac Devices",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "MRI",
        "Pacemaker",
        "Defibrillator"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University Health Care System, Augusta, Georgia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2015-09",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2017-06-01",
      "last_synced_at": "2026-10-20T06:52:24.197Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02548819"
    },
    {
      "nct_id": "NCT00271232",
      "title": "InSync III Marquis Model 7279 Cardioverter Defibrillator Cardiac Resynchronization System",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Cardiac resynchronization therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 238,
      "start_date": "2003-03",
      "completion_date": "2005-04",
      "has_results": false,
      "last_update_posted_date": "2007-12-21",
      "last_synced_at": "2026-10-20T06:52:24.197Z",
      "location_count": 34,
      "location_summary": "Anchorage, Alaska • Phoenix, Arizona • Los Angeles, California + 31 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00271232"
    },
    {
      "nct_id": "NCT00890461",
      "title": "Reconstruction of 12-Lead Electrogram From Intracardiac Signals From Defibrillators During or After Implantation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "ICD"
      ],
      "interventions": [
        {
          "name": "CT scan of the chest without contrast",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "University of Pittsburgh",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 42,
      "start_date": "2007-11",
      "completion_date": "2017-02-08",
      "has_results": false,
      "last_update_posted_date": "2017-05-03",
      "last_synced_at": "2026-10-20T06:52:24.197Z",
      "location_count": 2,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00890461"
    },
    {
      "nct_id": "NCT00268021",
      "title": "Automated Cardioverter Defibrillator in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Disorders"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Healthcare of Atlanta",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 34,
      "start_date": "1998-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-12-02",
      "last_synced_at": "2026-10-20T06:52:24.197Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00268021"
    }
  ]
}