{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pacemaker&page=3",
    "query": {
      "intervention": "pacemaker",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 235,
    "total_pages": 24,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pacemaker&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pacemaker&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T11:22:56.789Z",
  "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": "NCT04115735",
      "title": "His Bundle Recording From Subclavian Vein",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Congestive Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "TriHealth Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "105 Years",
        "sex": "ALL",
        "summary": "18 Years to 105 Years"
      },
      "enrollment_count": 1,
      "start_date": "2019-09-09",
      "completion_date": "2020-01-23",
      "has_results": false,
      "last_update_posted_date": "2023-08-08",
      "last_synced_at": "2026-10-21T11:22:56.789Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04115735"
    },
    {
      "nct_id": "NCT02421549",
      "title": "Remote Interrogation in Rural Emergency Departments",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Disease",
        "Cardiovascular Disease",
        "Heart Failure",
        "Arrhythmias, Cardiac"
      ],
      "interventions": [
        {
          "name": "Unpaired remote monitoring transmitter",
          "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": 0,
      "start_date": "2014-12",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2019-02-04",
      "last_synced_at": "2026-10-21T11:22:56.789Z",
      "location_count": 1,
      "location_summary": "Albuquerque, New Mexico",
      "locations": [
        {
          "city": "Albuquerque",
          "state": "New Mexico"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02421549"
    },
    {
      "nct_id": "NCT05704426",
      "title": "Arrythmia Burden in Cardiac Contractility Modulation (CCM)",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Arrythmia"
      ],
      "interventions": [
        {
          "name": "Impulse Dynamics Optimizer Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Hackensack Meridian Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2,
      "start_date": "2023-05-01",
      "completion_date": "2023-07-18",
      "has_results": true,
      "last_update_posted_date": "2024-08-19",
      "last_synced_at": "2026-10-21T11:22:56.789Z",
      "location_count": 1,
      "location_summary": "Hackensack, New Jersey",
      "locations": [
        {
          "city": "Hackensack",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05704426"
    },
    {
      "nct_id": "NCT02153437",
      "title": "Study of the Effects of BMS-919373 on the Electrical Activity of the Heart Using Pacemakers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "BMS-919373",
          "type": "DRUG"
        },
        {
          "name": "Sotalol",
          "type": "DRUG"
        },
        {
          "name": "Placebo for BMS-919373",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "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": 7,
      "start_date": "2014-10-30",
      "completion_date": "2016-10-20",
      "has_results": false,
      "last_update_posted_date": "2023-12-19",
      "last_synced_at": "2026-10-21T11:22:56.789Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02153437"
    },
    {
      "nct_id": "NCT00389649",
      "title": "Effect of Chronic Changes in Heart Rate on Congestive Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "heart rate setting",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Maryland, Baltimore",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2001-11",
      "completion_date": "2005-06",
      "has_results": true,
      "last_update_posted_date": "2021-12-20",
      "last_synced_at": "2026-10-21T11:22:56.789Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00389649"
    },
    {
      "nct_id": "NCT04721314",
      "title": "Personalized Pacing: A New Paradigm for Patients With Diastolic Dysfunction or Heart Failure With Preserved Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pacemaker",
        "Diastolic Dysfunction",
        "Diastolic Heart Failure"
      ],
      "interventions": [
        {
          "name": "Adjustment of lower rate limit",
          "type": "DEVICE"
        },
        {
          "name": "Maintenance of lower rate limit",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Vermont",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 123,
      "start_date": "2019-07-17",
      "completion_date": "2021-12-05",
      "has_results": false,
      "last_update_posted_date": "2022-02-09",
      "last_synced_at": "2026-10-21T11:22:56.789Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04721314"
    },
    {
      "nct_id": "NCT00674128",
      "title": "Comparison of Cyanoacrylate Tissue Adhesive and Suture for Closure of Cardiac Device Pockets",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [
        {
          "name": "Cyanoacrylate tissue adhesive (Dermabond)",
          "type": "DEVICE"
        },
        {
          "name": "Polyglactin 910 suture (Vicryl)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 103,
      "start_date": "2008-05",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2010-12-29",
      "last_synced_at": "2026-10-21T11:22:56.789Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00674128"
    },
    {
      "nct_id": "NCT00001530",
      "title": "Long-Term Results of DDD Pacing in Obstructive Hypertrophic Cardiomyopathy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiomyopathy, Hypertrophic"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 120,
      "start_date": "1996-04",
      "completion_date": "2000-05",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-10-21T11:22:56.789Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00001530"
    },
    {
      "nct_id": "NCT03031847",
      "title": "Cardiac Resynchronization in the Elderly",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Cardiac Resynchronization Therapy Pacemaker",
          "type": "DEVICE"
        },
        {
          "name": "Cardiac Resynchronization Therapy Defibrillator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Samir Saba",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "75 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "75 Years and older"
      },
      "enrollment_count": 102,
      "start_date": "2017-03-21",
      "completion_date": "2021-08-18",
      "has_results": true,
      "last_update_posted_date": "2023-12-07",
      "last_synced_at": "2026-10-21T11:22:56.789Z",
      "location_count": 6,
      "location_summary": "Durham, North Carolina • Columbus, Ohio • Erie, Pennsylvania + 2 more",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Erie",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03031847"
    },
    {
      "nct_id": "NCT03915015",
      "title": "VAPORHCS/OHSU J: MRI and Devices",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "MRI"
      ],
      "interventions": [
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "9 Years to 99 Years"
      },
      "enrollment_count": 10000,
      "start_date": "2012-07-19",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-04-15",
      "last_synced_at": "2026-10-21T11:22:56.789Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03915015"
    }
  ]
}