{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pacemaker+implantation&page=2",
    "query": {
      "intervention": "pacemaker implantation",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pacemaker+implantation&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T18:37:52.581Z",
  "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": "NCT00721136",
      "title": "Randomized Study of the Use of Warfarin During Pacemaker or ICD Implantation in Patients Requiring Long Term Anticoagulation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bradycardia",
        "Tachycardia",
        "Atrial Fibrillation",
        "Valvular Heart Disease"
      ],
      "interventions": [
        {
          "name": "continue warfarin through the procedure",
          "type": "DRUG"
        },
        {
          "name": "Hold warfarin",
          "type": "DRUG"
        },
        {
          "name": "Warfarin held with heparin transition.",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 104,
      "start_date": "2007-09",
      "completion_date": "2010-08",
      "has_results": true,
      "last_update_posted_date": "2017-08-31",
      "last_synced_at": "2026-09-24T18:37:52.581Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Columbia, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Columbia",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00721136"
    },
    {
      "nct_id": "NCT02255331",
      "title": "Using MRI To Detect Soft Tissue Reactions And Implant Integration As Related To Implant Modularity",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Complications; Arthroplasty",
        "Complications; Arthroplasty, Mechanical"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "21 Years to 95 Years"
      },
      "enrollment_count": 587,
      "start_date": "2017-09-15",
      "completion_date": "2024-11-01",
      "has_results": false,
      "last_update_posted_date": "2026-08-19",
      "last_synced_at": "2026-09-24T18:37:52.581Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02255331"
    },
    {
      "nct_id": "NCT05646251",
      "title": "Intra-procedural Transthoracic EChocardiogram to Facilitate Left Bundle Branch Area Pacing (LBBAP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Heart Ultrasound",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 33,
      "start_date": "2023-03-01",
      "completion_date": "2024-10-27",
      "has_results": true,
      "last_update_posted_date": "2025-10-01",
      "last_synced_at": "2026-09-24T18:37:52.581Z",
      "location_count": 1,
      "location_summary": "Wilkes-Barre, Pennsylvania",
      "locations": [
        {
          "city": "Wilkes-Barre",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05646251"
    },
    {
      "nct_id": "NCT03361189",
      "title": "Specialized Pacing for Patients With Congenital Heart Disease",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Congenital Heart Disease",
        "Bradycardia Sinus"
      ],
      "interventions": [
        {
          "name": "Closed loop stimulation",
          "type": "DEVICE"
        },
        {
          "name": "Standard rate response",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "14 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "14 Years to 65 Years"
      },
      "enrollment_count": 4,
      "start_date": "2021-05-09",
      "completion_date": "2021-11-03",
      "has_results": true,
      "last_update_posted_date": "2023-01-20",
      "last_synced_at": "2026-09-24T18:37:52.581Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03361189"
    },
    {
      "nct_id": "NCT03588286",
      "title": "Programmed Ventricular Stimulation to Risk Stratify for Early Cardioverter-Defibrillator (ICD) Implantation to Prevent Tachyarrhythmias Following Acute Myocardial Infarction (PROTECT-ICD)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sudden Cardiac Death"
      ],
      "interventions": [
        {
          "name": "Electrophysiology study (EPS)",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard Care",
          "type": "OTHER"
        },
        {
          "name": "Cardiac Magnetic Resonance (CMR)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Western Sydney Local Health District",
      "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": 1058,
      "start_date": "2014-02-27",
      "completion_date": "2029-12-06",
      "has_results": false,
      "last_update_posted_date": "2024-05-07",
      "last_synced_at": "2026-09-24T18:37:52.581Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03588286"
    },
    {
      "nct_id": "NCT03985527",
      "title": "Janus Feasibility Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sleep Apnea Syndromes"
      ],
      "interventions": [
        {
          "name": "Transvenous nerve stimulation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Respicardia, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2020-01-09",
      "completion_date": "2025-12-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-30",
      "last_synced_at": "2026-09-24T18:37:52.581Z",
      "location_count": 3,
      "location_summary": "Winston-Salem, North Carolina • Columbus, Ohio • Bryn Mawr, Pennsylvania",
      "locations": [
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Bryn Mawr",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03985527"
    },
    {
      "nct_id": "NCT01809652",
      "title": "Feasibility Study of Remote Support for Implantable Pulse Generator (IPG)/Implantable Cardioverter Defibrillator (ICD) Implant",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bradycardia",
        "Sudden Cardiac Arrest"
      ],
      "interventions": [
        {
          "name": "Remote Implant Support Capability",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 37,
      "start_date": "2013-12",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2014-04-24",
      "last_synced_at": "2026-09-24T18:37:52.581Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01809652"
    },
    {
      "nct_id": "NCT01032577",
      "title": "A Study Comparing the Sensed R Wave in Bipolar and Extended Bipolar Configurations",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ischemic and Nonischemic Cardiomyopathy, With Primary and Secondary Implant Indications"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Trinity Health Of New England",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2009-12",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2012-02-28",
      "last_synced_at": "2026-09-24T18:37:52.581Z",
      "location_count": 1,
      "location_summary": "Hartford, Connecticut",
      "locations": [
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01032577"
    },
    {
      "nct_id": "NCT00959179",
      "title": "The Registry Evaluating Functional Outcomes of Resynchronization Management",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congestive Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Saint Luke's Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 100,
      "start_date": "2007-05",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2009-08-14",
      "last_synced_at": "2026-09-24T18:37:52.581Z",
      "location_count": 2,
      "location_summary": "Elgin, Illinois • Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Elgin",
          "state": "Illinois"
        },
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00959179"
    },
    {
      "nct_id": "NCT05884359",
      "title": "Left Bundle Branch Area Mapping for Conduction System Pacing",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Left Bundle-Branch Block",
        "Pacemaker DDD"
      ],
      "interventions": [
        {
          "name": "3D Electroanatomical Mapping (NavX)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Steward St. Elizabeth's Medical Center of Boston, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "88 Years",
        "sex": "ALL",
        "summary": "18 Years to 88 Years"
      },
      "enrollment_count": 30,
      "start_date": "2023-06-01",
      "completion_date": "2028-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-21",
      "last_synced_at": "2026-09-24T18:37:52.581Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05884359"
    }
  ]
}