{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Block&page=21",
    "query": {
      "condition": "Heart Block",
      "page": 21
    },
    "page_size": 10
  },
  "pagination": {
    "page": 21,
    "page_size": 10,
    "total_count": 491,
    "total_pages": 50,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Block&page=22&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Heart+Block&page=20&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T02:40:45.062Z",
  "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": "NCT01826851",
      "title": "Parasternal Nerve Block in Cardiac Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Coronary Artery Disease",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Exparel",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Peter A Knight",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 79,
      "start_date": "2013-03",
      "completion_date": "2017-06",
      "has_results": true,
      "last_update_posted_date": "2018-08-01",
      "last_synced_at": "2026-10-23T02:40:45.062Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01826851"
    },
    {
      "nct_id": "NCT07874386",
      "title": "Wearable Tissue Oximetry During Arm Cuff Occlusion, Walking, and Standing Tests in Outpatients With Chronic Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure",
        "Chronic Heart Failure"
      ],
      "interventions": [
        {
          "name": "Argus Oximetry System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NIRSense Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 50,
      "start_date": "2023-11-14",
      "completion_date": "2026-03-15",
      "has_results": false,
      "last_update_posted_date": "2026-10-14",
      "last_synced_at": "2026-10-23T02:40:45.062Z",
      "location_count": 1,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07874386"
    },
    {
      "nct_id": "NCT05978466",
      "title": "MANAGE-AF Registry -MANAGEment of Atrial Fibrillation Outcomes Registry (MANAGE-AF)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "CorVita Science Foundation",
      "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": "2017-12-22",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-01-18",
      "last_synced_at": "2026-10-23T02:40:45.062Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05978466"
    },
    {
      "nct_id": "NCT03482973",
      "title": "Pecto-Intercostal Fascial Block for Postoperative Analgesia After Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Coronary Artery Disease",
        "Sternal Pain"
      ],
      "interventions": [
        {
          "name": "Bupivacaine Group",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Beth Israel Deaconess 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": 80,
      "start_date": "2018-06-21",
      "completion_date": "2019-11-27",
      "has_results": true,
      "last_update_posted_date": "2020-08-03",
      "last_synced_at": "2026-10-23T02:40:45.062Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03482973"
    },
    {
      "nct_id": "NCT00180479",
      "title": "SPIRIT III Clinical Trial of the XIENCE V® Everolimus Eluting Coronary Stent System (EECSS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Stents",
        "Coronary Artery Disease",
        "Total Coronary Occlusion",
        "Coronary Artery Restenosis",
        "Stent Thrombosis",
        "Vascular Disease",
        "Myocardial Ischemia",
        "Coronary Artery Stenosis"
      ],
      "interventions": [
        {
          "name": "XIENCE V® Everolimus Eluting Coronary Stent",
          "type": "DEVICE"
        },
        {
          "name": "TAXUS® EXPRESS2™ Paclitaxel Eluting Coronary Stent",
          "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": 1002,
      "start_date": "2005-06",
      "completion_date": "2011-11",
      "has_results": true,
      "last_update_posted_date": "2011-11-23",
      "last_synced_at": "2026-10-23T02:40:45.062Z",
      "location_count": 65,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • La Jolla, California + 56 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00180479"
    },
    {
      "nct_id": "NCT04452188",
      "title": "Targeting Normoxia in Neonates With Cyanotic Congenital Heart Disease in the Intra-operative and Immediate Post-operative Period",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypoplastic Left Heart Syndrome",
        "Total Anomalous Pulmonary Venous Return",
        "Truncus Arteriosus",
        "Pulmonary Atresia With Ventricular Septal Defect",
        "Transposition of the Great Arteries",
        "Double Outlet Right Ventricle, Subpulmonary VSD",
        "Tetralogy of Fallot",
        "Double Outlet Right Ventricle With Subaortic Ventricular Septal Defect and Pulmonary Stenosis",
        "Cardiopulmonary Bypass"
      ],
      "interventions": [
        {
          "name": "Normoxia (with controlled re-oxygenation)",
          "type": "OTHER"
        },
        {
          "name": "Standard of care ventilation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "29 Days",
        "sex": "ALL",
        "summary": "Up to 29 Days"
      },
      "enrollment_count": 29,
      "start_date": "2021-01-18",
      "completion_date": "2023-04-20",
      "has_results": true,
      "last_update_posted_date": "2024-06-18",
      "last_synced_at": "2026-10-23T02:40:45.062Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04452188"
    },
    {
      "nct_id": "NCT05386173",
      "title": "Effect of Fetal Aortic Valvuloplasty on Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Heart Disease",
        "Aortic Valve Stenosis",
        "Fetal Cardiac Disorder",
        "Hypoplastic Left Heart Syndrome"
      ],
      "interventions": [
        {
          "name": "Fetal aortic balloon dilatation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Queen Silvia Children's Hospital, Gothenburg, Sweden",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "23 Weeks",
        "maximum_age": "31 Weeks",
        "sex": "ALL",
        "summary": "23 Weeks to 31 Weeks"
      },
      "enrollment_count": 200,
      "start_date": "2021-01-01",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-03-21",
      "last_synced_at": "2026-10-23T02:40:45.062Z",
      "location_count": 2,
      "location_summary": "San Francisco, California • Columbus, Ohio",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05386173"
    },
    {
      "nct_id": "NCT07420907",
      "title": "Study of the Progression of Chronic Cardiovascular Conditions",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Disease (CVD)",
        "Heart Failure",
        "Aortic Stenosis",
        "Aortic Stenosis Disease",
        "Hypertension",
        "Hypertension (HTN)",
        "Hypertrophic Cardiomyopathy Patients",
        "Hypertrophic Cardiomyopathy Without Obstruction",
        "Hypertrophic Cardiomyopathy, Obstructive",
        "Dilated Cardiomyopathy (DCM)",
        "Dilated Cardiomyopathy",
        "Dilated Cardiomyopathy, Familial"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Prolaio",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5000,
      "start_date": "2025-10-30",
      "completion_date": "2030-10",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-23T02:40:45.062Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07420907"
    },
    {
      "nct_id": "NCT00530894",
      "title": "THE PARTNER TRIAL: Placement of AoRTic TraNscathetER Valve Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Critical Aortic Stenosis"
      ],
      "interventions": [
        {
          "name": "Edwards SAPIEN Transcatheter Heart Valve",
          "type": "DEVICE"
        },
        {
          "name": "Surgical Valve Replacement",
          "type": "DEVICE"
        },
        {
          "name": "medical management and/or balloon aortic valvuloplasty",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Edwards Lifesciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1057,
      "start_date": "2007-04",
      "completion_date": "2017-07",
      "has_results": true,
      "last_update_posted_date": "2017-09-13",
      "last_synced_at": "2026-10-23T02:40:45.062Z",
      "location_count": 22,
      "location_summary": "La Jolla, California • Los Angeles, California • Stanford, California + 17 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00530894"
    },
    {
      "nct_id": "NCT00980031",
      "title": "Aldosterone Blockade to Prevent Myocardial Remodeling In Patients With Controlled Essential Hypertension",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myocardial Remodeling"
      ],
      "interventions": [
        {
          "name": "Eplerenone",
          "type": "DRUG"
        },
        {
          "name": "Lactose Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Creighton University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2007-04",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2014-03-28",
      "last_synced_at": "2026-10-23T02:40:45.062Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00980031"
    }
  ]
}