{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Block&page=19",
    "query": {
      "condition": "Heart Block",
      "page": 19
    },
    "page_size": 10
  },
  "pagination": {
    "page": 19,
    "page_size": 10,
    "total_count": 491,
    "total_pages": 50,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Block&page=20&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Block&page=18&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T19:37:28.307Z",
  "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": "NCT01531374",
      "title": "Safety and Efficacy Continued Access Study of the Medtronic CoreValve® System in the Treatment of Symptomatic Severe Aortic Stenosis in Very High Risk Subjects and High Risk Subjects Who Need Aortic Valve Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Severe Aortic Stenosis"
      ],
      "interventions": [
        {
          "name": "Medtronic CoreValve® System Transcatheter Aortic Valve Implantation (TAVI)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiovascular",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 2777,
      "start_date": "2012-02-21",
      "completion_date": "2019-11-18",
      "has_results": true,
      "last_update_posted_date": "2022-10-25",
      "last_synced_at": "2026-10-22T19:37:28.307Z",
      "location_count": 45,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Mountain View, California + 35 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Mountain View",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01531374"
    },
    {
      "nct_id": "NCT06777368",
      "title": "REdo tranScatheter Aortic Valve Replacement for Transcatheter aOrtic Valve failuRE",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Stenosis"
      ],
      "interventions": [
        {
          "name": "Medtronic TAV",
          "type": "DEVICE"
        },
        {
          "name": "Edwards TAV",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiovascular",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "105 Years",
        "sex": "ALL",
        "summary": "18 Years to 105 Years"
      },
      "enrollment_count": 225,
      "start_date": "2025-02-06",
      "completion_date": "2027-11",
      "has_results": false,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-22T19:37:28.307Z",
      "location_count": 71,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 58 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06777368"
    },
    {
      "nct_id": "NCT00965679",
      "title": "X-ray Fluoroscopy Fused With Computed Tomography (XFC) Technical Development",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Valve Stenosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1,
      "start_date": "2009-08-06",
      "completion_date": "2010-05-27",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-10-22T19:37:28.307Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00965679"
    },
    {
      "nct_id": "NCT02146768",
      "title": "Low-dose-contrast Cardiac Computed Tomography",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Stenosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 142,
      "start_date": "2014-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2017-06-12",
      "last_synced_at": "2026-10-22T19:37:28.307Z",
      "location_count": 2,
      "location_summary": "Plano, Texas",
      "locations": [
        {
          "city": "Plano",
          "state": "Texas"
        },
        {
          "city": "Plano",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02146768"
    },
    {
      "nct_id": "NCT05880576",
      "title": "The Arch Watch Study: An Integrated Evaluation of Hemodynamics in Infants With Suspected Coarctation of the Aorta",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coarctation of the Aorta",
        "Aortic Arch Obstruction"
      ],
      "interventions": [
        {
          "name": "Monitoring using resonance Raman spectroscopy, pulse oximetry, blood pressure, and near-infrared spectroscopy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Children's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "0 Days",
        "maximum_age": "60 Days",
        "sex": "ALL",
        "summary": "0 Days to 60 Days"
      },
      "enrollment_count": 60,
      "start_date": "2023-10-01",
      "completion_date": "2026-12-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-10-22T19:37:28.307Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05880576"
    },
    {
      "nct_id": "NCT03381989",
      "title": "Bioprosthetic or Native Aortic Scallop Intentional Laceration to Prevent Iatrogenic Coronary Artery Obstruction (BASILICA) Prospective Investigation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Native and Valve in Valve Aortic Valve Failure"
      ],
      "interventions": [
        {
          "name": "ASHI_INTECC Astato XS 20 0.014 guidewire",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2018-02-14",
      "completion_date": "2019-08-22",
      "has_results": true,
      "last_update_posted_date": "2021-03-18",
      "last_synced_at": "2026-10-22T19:37:28.307Z",
      "location_count": 4,
      "location_summary": "Washington D.C., District of Columbia • Atlanta, Georgia • Detroit, Michigan + 1 more",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03381989"
    },
    {
      "nct_id": "NCT04590898",
      "title": "Peri-device Leakage Closure After LAAO",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Stroke",
        "Bleeding",
        "Leakage of Cardiac Device"
      ],
      "interventions": [
        {
          "name": "Peri-device leakage closure after left atrial appendage occlusion",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cardiovascular Center Frankfurt",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 85,
      "start_date": "2020-09-27",
      "completion_date": "2021-09-01",
      "has_results": false,
      "last_update_posted_date": "2022-07-22",
      "last_synced_at": "2026-10-22T19:37:28.307Z",
      "location_count": 7,
      "location_summary": "Phoenix, Arizona • La Jolla, California • Overland Park, Kansas + 4 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04590898"
    },
    {
      "nct_id": "NCT05719805",
      "title": "A Study to Evaluate the Effects of Mavacamten in Healthy Participants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Participants"
      ],
      "interventions": [
        {
          "name": "Mavacamten",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 84,
      "start_date": "2023-02-20",
      "completion_date": "2023-07-25",
      "has_results": false,
      "last_update_posted_date": "2023-10-12",
      "last_synced_at": "2026-10-22T19:37:28.307Z",
      "location_count": 2,
      "location_summary": "Miami, Florida • Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05719805"
    },
    {
      "nct_id": "NCT01952873",
      "title": "Rapid Inflation/Deflation Compared With Prolonged High-Pressure Balloon Inflation",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease",
        "Coronary Stent Occlusion"
      ],
      "interventions": [
        {
          "name": "Prolonged inflation",
          "type": "OTHER"
        },
        {
          "name": "Rapid inflation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Central Arkansas Veterans Healthcare System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2027-01",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-22T19:37:28.307Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01952873"
    },
    {
      "nct_id": "NCT06540079",
      "title": "BIOTRONIK Conduction System Pacing With the Solia Lead - Solia CSP S",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sinus Node Dysfunction",
        "Bradycardia",
        "Atrioventricular Block"
      ],
      "interventions": [
        {
          "name": "Solia CSP S lead",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Biotronik, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 192,
      "start_date": "2024-12-18",
      "completion_date": "2026-06-17",
      "has_results": false,
      "last_update_posted_date": "2026-07-14",
      "last_synced_at": "2026-10-22T19:37:28.307Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • Ventura, California • Sarasota, Florida + 6 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Ventura",
          "state": "California"
        },
        {
          "city": "Sarasota",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Tupelo",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06540079"
    }
  ]
}