{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Conduction+Defects&page=5",
    "query": {
      "condition": "Conduction Defects",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 370,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Conduction+Defects&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Conduction+Defects&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T20:27:28.402Z",
  "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": "NCT04474223",
      "title": "Surveillance and Treatment to Prevent Fetal Atrioventricular Block Likely to Occur Quickly (STOP BLOQ)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "AVB - Atrioventricular Block",
        "Fetal AVB"
      ],
      "interventions": [
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "IVIG",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "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": 1300,
      "start_date": "2020-08-01",
      "completion_date": "2029-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-10-25T20:27:28.402Z",
      "location_count": 23,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Palo Alto, California + 17 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04474223"
    },
    {
      "nct_id": "NCT04489095",
      "title": "Conduction Disease After Transcatheter Aortic Valve Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aortic Stenosis",
        "Heart Block",
        "Aortic Insufficiency"
      ],
      "interventions": [
        {
          "name": "Electrophysiology Study",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2020-07-16",
      "completion_date": "2022-08-01",
      "has_results": false,
      "last_update_posted_date": "2022-12-14",
      "last_synced_at": "2026-10-25T20:27:28.402Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04489095"
    },
    {
      "nct_id": "NCT01129635",
      "title": "Optimal Coronary Sinus Lead Implantation Using Intracardiac Impedography and Magnetic Resonance Imaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Systolic",
        "Left Bundle Branch Block"
      ],
      "interventions": [
        {
          "name": "Cardiac Resynchronization Therapy (CRT) implantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 38,
      "start_date": "2010-06",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-01-21",
      "last_synced_at": "2026-10-25T20:27:28.402Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01129635"
    },
    {
      "nct_id": "NCT06763549",
      "title": "COR-INSIGHT: Optimizing Cardiovascular and Cardiopulmonary Outcomes with AI-Driven Multiplexed Indications Using COR ECG Wearable",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiopulmonary Failure",
        "Myocardial Infarction (MI)",
        "Heart Decompensation",
        "Heart Failure",
        "HFrEF - Heart Failure with Reduced Ejection Fraction",
        "HFpEF - Heart Failure with Preserved Ejection Fraction",
        "Syncopation",
        "Syncope",
        "Ischemic Cardiovascular Disease",
        "STEMI",
        "STEMI (ST Elevation MI)",
        "Atrial Fibrillation (AF)",
        "Atrial Enlargement",
        "LVF",
        "Conduction Defect",
        "Conduction Abnormalities",
        "Heart Block",
        "Valvular Diseases",
        "Cardiac Output, Low",
        "Stroke Volume",
        "Stroke Volume Variation",
        "Hyperkalemia",
        "Hypercalcemia",
        "Hypocalcemia",
        "LV Dysfunction",
        "QT Prolongation",
        "Sudden Cardiac Death Due to Cardiac Arrhythmia",
        "Ventricular Arrhythmia",
        "Pacing",
        "Pacing Induced Dyssynchrony",
        "Silent Ischemia",
        "Pericarditis",
        "Sleep Related Breathing Disorder",
        "RSA",
        "Apnea, Obstructive",
        "Cardiac Output Measurement",
        "Respiratory Impedance",
        "CRT And/or ICD",
        "Infarction",
        "Cardiomyopathies, Primary",
        "Hypertrophy"
      ],
      "interventions": [
        {
          "name": "SUBPROTOCOL A",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL B",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL C",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL D",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL E",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL F",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL G",
          "type": "DEVICE"
        },
        {
          "name": "SUBPROTOCOL H",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Peerbridge Health, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15000,
      "start_date": "2024-11-16",
      "completion_date": "2026-04-15",
      "has_results": false,
      "last_update_posted_date": "2025-01-08",
      "last_synced_at": "2026-10-25T20:27:28.402Z",
      "location_count": 1,
      "location_summary": "Melbourne, Florida",
      "locations": [
        {
          "city": "Melbourne",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06763549"
    },
    {
      "nct_id": "NCT01747837",
      "title": "REnal SympathetiC Denervation to sUpprEss Tachyarrhythmias in ICD Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "Boston Scientific Vessix Renal Denervation System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vivek Reddy",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 48,
      "start_date": "2015-10-22",
      "completion_date": "2019-01-09",
      "has_results": true,
      "last_update_posted_date": "2020-03-04",
      "last_synced_at": "2026-10-25T20:27:28.402Z",
      "location_count": 2,
      "location_summary": "New York, New York • Austin, Texas",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01747837"
    },
    {
      "nct_id": "NCT03549806",
      "title": "Stanford Cardiac Invasive Electrophysiology Novel Computer Experience",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Tachycardia",
        "Atrial Flutter",
        "Arrhythmias, Cardiac"
      ],
      "interventions": [
        {
          "name": "No Intervention. Test is computer algorithm.",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "21 Years to 80 Years"
      },
      "enrollment_count": 11,
      "start_date": "2018-06-21",
      "completion_date": "2021-01-11",
      "has_results": false,
      "last_update_posted_date": "2024-12-02",
      "last_synced_at": "2026-10-25T20:27:28.402Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03549806"
    },
    {
      "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": "2026-10-25T20:27:28.402Z",
      "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": "NCT00180271",
      "title": "MADIT-CRT: Multicenter Automatic Defibrillator Implantation With Cardiac Resynchronization Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tachycardia",
        "Congestive Heart Failure"
      ],
      "interventions": [
        {
          "name": "Cardiac resynchronization therapy with defibrillation",
          "type": "DEVICE"
        },
        {
          "name": "Implantable Cardioverter Defibrillator (ICD)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1820,
      "start_date": "2004-12",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2018-12-19",
      "last_synced_at": "2026-10-25T20:27:28.402Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00180271"
    },
    {
      "nct_id": "NCT00644644",
      "title": "Validation of the NTX Wireless Patient Monitoring System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Desaturation",
        "Bradycardia",
        "Tachycardia",
        "Hypertension",
        "Hypotension"
      ],
      "interventions": [
        {
          "name": "Rapid Response Team (NTX wireless monitoring system)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Vanderbilt University 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": 1303,
      "start_date": "2008-03",
      "completion_date": "2010-01",
      "has_results": false,
      "last_update_posted_date": "2017-04-11",
      "last_synced_at": "2026-10-25T20:27:28.402Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00644644"
    },
    {
      "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": "2026-10-25T20:27:28.402Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00335036"
    }
  ]
}