{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Block&page=5",
    "query": {
      "condition": "Heart Block",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 491,
    "total_pages": 50,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Block&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Block&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T21:24:04.986Z",
  "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": "NCT02026466",
      "title": "Outcomes, Patient Health Status, and Efficiency in Chronic Total Occlusion",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Saint Luke's 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": 1000,
      "start_date": "2013-12",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2021-10-19",
      "last_synced_at": "2026-10-21T21:24:04.986Z",
      "location_count": 11,
      "location_summary": "Mesa, Arizona • Phoenix, Arizona • Torrance, California + 8 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Elk Grove Village",
          "state": "Illinois"
        },
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02026466"
    },
    {
      "nct_id": "NCT02049203",
      "title": "Safety of Ataciguat in Patients With Moderate Calcific Aortic Valve Stenosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Aortic Valve Stenosis"
      ],
      "interventions": [
        {
          "name": "Ataciguat",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Jordan D. Miller, Ph.D.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 44,
      "start_date": "2014-01",
      "completion_date": "2015-03",
      "has_results": false,
      "last_update_posted_date": "2016-07-07",
      "last_synced_at": "2026-10-21T21:24:04.986Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02049203"
    },
    {
      "nct_id": "NCT02840448",
      "title": "Impact of Elastin Mediated Vascular Stiffness on End Organs",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Williams Syndrome",
        "Supravalvular Aortic Stenosis",
        "Cardiovascular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "3 Years to 85 Years"
      },
      "enrollment_count": 159,
      "start_date": "2016-12-02",
      "completion_date": "2024-04-06",
      "has_results": false,
      "last_update_posted_date": "2026-10-08",
      "last_synced_at": "2026-10-21T21:24:04.986Z",
      "location_count": 2,
      "location_summary": "Bethesda, Maryland • St Louis, Missouri",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02840448"
    },
    {
      "nct_id": "NCT05567809",
      "title": "Defining Exercise Hemodynamics and Function After Transcatheter Aortic Valve Replacement (DEFINE-TAVR) Study.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Valve Stenosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 28,
      "start_date": "2022-10-25",
      "completion_date": "2025-01-21",
      "has_results": false,
      "last_update_posted_date": "2025-08-11",
      "last_synced_at": "2026-10-21T21:24:04.986Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05567809"
    },
    {
      "nct_id": "NCT02073617",
      "title": "Aortic Valve and Root Measurements Under Real-Time 3-Dimensional Visualization During Angiography",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Disease",
        "Aortic Stenosis"
      ],
      "interventions": [
        {
          "name": "Real-time 3-dimensional DynaCT",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2014-01-06",
      "completion_date": "2017-06-13",
      "has_results": false,
      "last_update_posted_date": "2017-07-18",
      "last_synced_at": "2026-10-21T21:24:04.986Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02073617"
    },
    {
      "nct_id": "NCT05287841",
      "title": "Does Batten Grafting Improve Nasal Outcomes in Septoplasty and Turbinate Reduction?",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Nasal Obstruction",
        "Septal Defect",
        "Allergic Rhinitis",
        "Nasal Polyps",
        "Nasal Valve Collapse"
      ],
      "interventions": [
        {
          "name": "Batten batten graft",
          "type": "PROCEDURE"
        },
        {
          "name": "Septoplasty",
          "type": "PROCEDURE"
        },
        {
          "name": "Inferior Turbinate Reduction",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2021-05-04",
      "completion_date": "2026-02-26",
      "has_results": false,
      "last_update_posted_date": "2026-10-13",
      "last_synced_at": "2026-10-21T21:24:04.986Z",
      "location_count": 3,
      "location_summary": "Poplar Bluff, Missouri • New York, New York • Staten Island, New York",
      "locations": [
        {
          "city": "Poplar Bluff",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05287841"
    },
    {
      "nct_id": "NCT05873816",
      "title": "The PROTEMBO Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Severe Aortic Valve Stenosis"
      ],
      "interventions": [
        {
          "name": "ProtEmbo - Cerebral Embolic Protection",
          "type": "DEVICE"
        },
        {
          "name": "Sentinel - Cerebral Embolic Protection",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Protembis GmbH",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 284,
      "start_date": "2024-03-21",
      "completion_date": "2025-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-10-21T21:24:04.986Z",
      "location_count": 15,
      "location_summary": "Tucson, Arizona • Los Angeles, California • Clearwater, Florida + 9 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Clearwater",
          "state": "Florida"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05873816"
    },
    {
      "nct_id": "NCT05833048",
      "title": "Rectus Sheath Block in Cardiac Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Disease",
        "Postoperative Pain"
      ],
      "interventions": [
        {
          "name": "Rectus sheath block",
          "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": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 75,
      "start_date": "2024-07-29",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-07-31",
      "last_synced_at": "2026-10-21T21:24:04.986Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05833048"
    },
    {
      "nct_id": "NCT03442400",
      "title": "A Prospective Study of Fractional Flow Reserve Assessment of Intermediate Coronary Stenoses in Severe Aortic Stenosis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Coronary Artery Stenoses",
        "Aortic Stenosis"
      ],
      "interventions": [
        {
          "name": "Volcano iFR/FFR Verrata Plus coronary pressure/flow wire",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "20 Years to 110 Years"
      },
      "enrollment_count": 5,
      "start_date": "2018-02-14",
      "completion_date": "2021-08-10",
      "has_results": true,
      "last_update_posted_date": "2023-01-05",
      "last_synced_at": "2026-10-21T21:24:04.986Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03442400"
    },
    {
      "nct_id": "NCT03441971",
      "title": "Evaluation of the GORE PV1 Device in Patients With Pulmonary Valve Dysfunction",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Defects, Congenital",
        "Tetralogy of Fallot",
        "Pulmonary Valve Insufficiency",
        "Pulmonary Valve Stenosis"
      ],
      "interventions": [
        {
          "name": "GORE PV1",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "W.L.Gore & Associates",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2018-06-07",
      "completion_date": "2030-03",
      "has_results": false,
      "last_update_posted_date": "2026-02-05",
      "last_synced_at": "2026-10-21T21:24:04.986Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Boston, Massachusetts • Columbus, Ohio",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03441971"
    }
  ]
}