{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Defibrillators&page=4",
    "query": {
      "condition": "Defibrillators",
      "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=Defibrillators&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Defibrillators&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T17:36:33.767Z",
  "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": "NCT00535106",
      "title": "SmartCPR Trial: An Analysis of a Waveform-Based Automated External Defibrillation (AED) Algorithm on Survival From Out-of-Hospital Ventricular Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventricular Fibrillation",
        "Cardiac Arrest"
      ],
      "interventions": [
        {
          "name": "Automated external defibrillator (Philips FR2+ AED)",
          "type": "DEVICE"
        },
        {
          "name": "SmartCPR",
          "type": "DEVICE"
        },
        {
          "name": "Delayed defibrillation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "New York City Fire Department",
      "sponsor_class": "OTHER_GOV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 900,
      "start_date": "2006-05",
      "completion_date": "2009-06",
      "has_results": false,
      "last_update_posted_date": "2009-10-19",
      "last_synced_at": "2026-10-21T17:36:33.767Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00535106"
    },
    {
      "nct_id": "NCT02091011",
      "title": "LONGEVITY Study. Evaluation of the Device and Battery Longevity of Boston Scientific Market-released ICD and CRT-D Devices",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Implantable Cardioverter Defibrillators",
        "CRT-D Cardiac Resynchronization Therapy Defibrillator"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1600,
      "start_date": "2014-01-27",
      "completion_date": "2021-08",
      "has_results": false,
      "last_update_posted_date": "2022-08-02",
      "last_synced_at": "2026-10-21T17:36:33.767Z",
      "location_count": 51,
      "location_summary": "Birmingham, Alabama • Glendale, Arizona • Tucson, Arizona + 44 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02091011"
    },
    {
      "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": "2026-10-21T17:36:33.767Z",
      "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": "2026-10-21T17:36:33.767Z",
      "location_count": 1,
      "location_summary": "Duluth, Minnesota",
      "locations": [
        {
          "city": "Duluth",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01999751"
    },
    {
      "nct_id": "NCT01058837",
      "title": "SCD-HeFT 10 Year Follow-up",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Left Ventricular Systolic Dysfunction",
        "Congestive Heart Failure",
        "Ischemic and Non-ischemic Cardiomyopathy",
        "Sudden Cardiac Death Primary Prevention"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Seattle Institute for Cardiac Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 1855,
      "start_date": "2009-09",
      "completion_date": "2011-08",
      "has_results": false,
      "last_update_posted_date": "2010-02-11",
      "last_synced_at": "2026-10-21T17:36:33.767Z",
      "location_count": 1,
      "location_summary": "Bellevue, Washington",
      "locations": [
        {
          "city": "Bellevue",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01058837"
    },
    {
      "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": "2026-10-21T17:36:33.767Z",
      "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": "NCT00270933",
      "title": "MAVRIC VR ICD Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Tachycardia",
        "Ventricular Fibrillation"
      ],
      "interventions": [
        {
          "name": "Registry",
          "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": 742,
      "start_date": "2004-01",
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2023-12-21",
      "last_synced_at": "2026-10-21T17:36:33.767Z",
      "location_count": 81,
      "location_summary": "Birmingham, Alabama • Tuscaloosa, Alabama • Little Rock, Arkansas + 78 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Tuscaloosa",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Banning",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00270933"
    },
    {
      "nct_id": "NCT00335036",
      "title": "Pediatric Lead Extractability and Survival Evaluation (PLEASE)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventricular Tachycardia",
        "Ventricular Fibrillation",
        "Cardiomyopathy",
        "Long QT Syndrome",
        "Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "ICD lead implant",
          "type": "DEVICE"
        },
        {
          "name": "Thin leads",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Charles Berul",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Year",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "1 Year to 55 Years"
      },
      "enrollment_count": 748,
      "start_date": "2006-06",
      "completion_date": "2009-01",
      "has_results": true,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-10-21T17:36:33.767Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00335036"
    },
    {
      "nct_id": "NCT06543446",
      "title": "Comparative Effectiveness of Prophylactic ICD Versus Non-ICD Therapy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "ICD implantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3290,
      "start_date": "2025-03-04",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-10-21T17:36:33.767Z",
      "location_count": 13,
      "location_summary": "Portland, Maine • Baltimore, Maryland • Boston, Massachusetts + 10 more",
      "locations": [
        {
          "city": "Portland",
          "state": "Maine"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06543446"
    },
    {
      "nct_id": "NCT00845234",
      "title": "Establishing a Standard for Peri-operative Implantable Cardioverter Defibrillator (ICD) Patient Education",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "East Carolina University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 62,
      "start_date": "2008-07",
      "completion_date": "2011-01",
      "has_results": false,
      "last_update_posted_date": "2013-02-26",
      "last_synced_at": "2026-10-21T17:36:33.767Z",
      "location_count": 3,
      "location_summary": "Aurora, Colorado • Lone Tree, Colorado • Greenville, North Carolina",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Lone Tree",
          "state": "Colorado"
        },
        {
          "city": "Greenville",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00845234"
    }
  ]
}