{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pacemaker",
    "query": {
      "intervention": "pacemaker"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 234,
    "total_pages": 24,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pacemaker&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-06T14:00:05.855Z",
  "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": "NCT00268021",
      "title": "Automated Cardioverter Defibrillator in Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Disorders"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Children's Healthcare of Atlanta",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "21 Years",
        "sex": "ALL",
        "summary": "Up to 21 Years"
      },
      "enrollment_count": 34,
      "start_date": "1998-01",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-12-02",
      "last_synced_at": "2026-09-06T14:00:05.855Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00268021"
    },
    {
      "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": "2026-09-06T14:00:05.855Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04721314"
    },
    {
      "nct_id": "NCT03987204",
      "title": "Ivabradine for Rate Control in Permanent Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Fibrillation, Persistent"
      ],
      "interventions": [
        {
          "name": "Ivabradine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "21 Years to 90 Years"
      },
      "enrollment_count": 4,
      "start_date": "2019-06-15",
      "completion_date": "2019-09-17",
      "has_results": false,
      "last_update_posted_date": "2021-07-02",
      "last_synced_at": "2026-09-06T14:00:05.855Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03987204"
    },
    {
      "nct_id": "NCT02807948",
      "title": "SJM MRI Diagnostic Imaging Registry (IDE)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Pacemaker, ICD, or CRT device",
          "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": 189,
      "start_date": "2016-06",
      "completion_date": "2018-01-31",
      "has_results": true,
      "last_update_posted_date": "2019-08-26",
      "last_synced_at": "2026-09-06T14:00:05.855Z",
      "location_count": 58,
      "location_summary": "Scottsdale, Arizona • Tucson, Arizona • Jonesboro, Arkansas + 55 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Bakersfield",
          "state": "California"
        },
        {
          "city": "Burbank",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02807948"
    },
    {
      "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": "2026-09-06T14:00:05.855Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04115735"
    },
    {
      "nct_id": "NCT03232450",
      "title": "Patent Foramen Ovale (PFO) Closure at the Time of Endovascular Cardiac Electronic Device Implantation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Foramen Ovale, Patent"
      ],
      "interventions": [
        {
          "name": "Aspirin",
          "type": "DRUG"
        },
        {
          "name": "Cardiovascular Implantable Device (CIED)",
          "type": "DEVICE"
        },
        {
          "name": "Gore Cardioform Septal Occluder",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "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": 0,
      "start_date": "2019-08",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2020-03-13",
      "last_synced_at": "2026-09-06T14:00:05.855Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03232450"
    },
    {
      "nct_id": "NCT01761162",
      "title": "ProMRI Study of the Entovis Pacemaker System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Safety of the ProMRI Pacemaker System Under Specific MRI Conditions"
      ],
      "interventions": [
        {
          "name": "Patients with a ProMRI Pacemaker System",
          "type": "DEVICE"
        },
        {
          "name": "Magnetic Resonance Imaging (MRI) scan",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "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": 229,
      "start_date": "2013-02",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2017-02-09",
      "last_synced_at": "2026-09-06T14:00:05.855Z",
      "location_count": 25,
      "location_summary": "Scottsdale, Arizona • Concord, California • Newport Beach, California + 22 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Rancho Mirage",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01761162"
    },
    {
      "nct_id": "NCT06245304",
      "title": "Physiologic Pacing for Symptomatic First-Degree Heart Block",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Symptomatic First-degree Heart Block"
      ],
      "interventions": [
        {
          "name": "Dual chamber Medtronic pacemaker implantation.",
          "type": "DEVICE"
        },
        {
          "name": "DDD-50 pacing program",
          "type": "OTHER"
        },
        {
          "name": "AAI-DDD 50 pacing program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Ascension Health",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2023-10-01",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-02-07",
      "last_synced_at": "2026-09-06T14:00:05.855Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06245304"
    },
    {
      "nct_id": "NCT02277990",
      "title": "World-wide Randomized Antibiotic Envelope Infection Prevention Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "CIED Related Infection"
      ],
      "interventions": [
        {
          "name": "TYRX™ Absorbable Antibacterial Envelope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7075,
      "start_date": "2015-01",
      "completion_date": "2018-09",
      "has_results": true,
      "last_update_posted_date": "2019-11-05",
      "last_synced_at": "2026-09-06T14:00:05.855Z",
      "location_count": 120,
      "location_summary": "Anchorage, Alaska • Mesa, Arizona • Scottsdale, Arizona + 94 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02277990"
    },
    {
      "nct_id": "NCT03719040",
      "title": "Physiologic Pacing Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bradycardia",
        "Sinus Node Dysfunction",
        "Heart Block",
        "Syncope",
        "Cardiomyopathies",
        "Ventricular Tachycardia",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Physiologic pacing device implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 870,
      "start_date": "2018-11-27",
      "completion_date": "2021-10-07",
      "has_results": true,
      "last_update_posted_date": "2024-08-19",
      "last_synced_at": "2026-09-06T14:00:05.855Z",
      "location_count": 26,
      "location_summary": "Huntsville, Alabama • Burlingame, California • San Diego, California + 22 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Burlingame",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Delray Beach",
          "state": "Florida"
        },
        {
          "city": "Winter Park",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03719040"
    }
  ]
}