{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pacemaker&page=4",
    "query": {
      "intervention": "pacemaker",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 235,
    "total_pages": 24,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pacemaker&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=pacemaker&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T13:53:33.450Z",
  "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": "NCT06977217",
      "title": "Factors Associated With Response to Cardiac Resynchronization Therapy in Heart Failure Patients With Non-LBBB ECG Pattern",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiomyopathies",
        "Heart Failure",
        "Non-left Bundle Branch Block",
        "Cardiac Resynchronization Therapy"
      ],
      "interventions": [
        {
          "name": "CRT-D implantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 270,
      "start_date": "2022-03-21",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-06-03",
      "last_synced_at": "2026-10-21T13:53:33.450Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06977217"
    },
    {
      "nct_id": "NCT02569216",
      "title": "Electrical Inhibition (EI): A Preliminary Study To Inhibit Preterm Labor And Preterm Birth",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Premature Birth",
        "Premature Labor"
      ],
      "interventions": [
        {
          "name": "Electrical Inhibition (EI)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 55 Years · Female only"
      },
      "enrollment_count": 0,
      "start_date": "2016-02-09",
      "completion_date": "2016-08-15",
      "has_results": false,
      "last_update_posted_date": "2017-11-09",
      "last_synced_at": "2026-10-21T13:53:33.450Z",
      "location_count": 1,
      "location_summary": "Manhattan, New York",
      "locations": [
        {
          "city": "Manhattan",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02569216"
    },
    {
      "nct_id": "NCT04093414",
      "title": "Left Bundle Area Versus Selective His Bundle Pacing",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bradycardia",
        "Sinus Node Dysfunction",
        "Atrioventricular Block"
      ],
      "interventions": [
        {
          "name": "Select Secure pacing lead",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "David Haines, MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2019-10-07",
      "completion_date": "2022-02-22",
      "has_results": true,
      "last_update_posted_date": "2022-08-17",
      "last_synced_at": "2026-10-21T13:53:33.450Z",
      "location_count": 2,
      "location_summary": "Royal Oak, Michigan • Troy, Michigan",
      "locations": [
        {
          "city": "Royal Oak",
          "state": "Michigan"
        },
        {
          "city": "Troy",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04093414"
    },
    {
      "nct_id": "NCT06937658",
      "title": "Remote Alert Pathway To Optimize CaRe of Cardiac Implantable Electrical Devices",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pacemaker DDD",
        "Implantable Defibrillator User"
      ],
      "interventions": [
        {
          "name": "Alert-based care",
          "type": "DEVICE"
        },
        {
          "name": "Guideline-based care",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 120,
      "start_date": "2025-05-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-01-07",
      "last_synced_at": "2026-10-21T13:53:33.450Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06937658"
    },
    {
      "nct_id": "NCT03899701",
      "title": "Effective Use of Pecs and Transversus Thoracics Plane Blocks for Subcutaneous Cardiac Pacemaker Insertion: A Case Series",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Anesthesia, Local"
      ],
      "interventions": [
        {
          "name": "PEC I and PEC II blocks",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Montefiore Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2021-11",
      "completion_date": "2022-03",
      "has_results": false,
      "last_update_posted_date": "2022-01-20",
      "last_synced_at": "2026-10-21T13:53:33.450Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03899701"
    },
    {
      "nct_id": "NCT00275769",
      "title": "CAPTURE - Complete Automatic Pacing Threshold Utilization Recorded by EnPulse",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arrhythmia",
        "Bradycardia"
      ],
      "interventions": [
        {
          "name": "Pacemaker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 860,
      "start_date": "2004-03",
      "completion_date": "2006-09",
      "has_results": false,
      "last_update_posted_date": "2008-12-11",
      "last_synced_at": "2026-10-21T13:53:33.450Z",
      "location_count": 51,
      "location_summary": "Anchorage, Alabama • Mobile, Alabama • Fullerton, California + 48 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Redondo Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00275769"
    },
    {
      "nct_id": "NCT00698139",
      "title": "Cardiovascular and Neurohormonal Effects of Faster Atrial Pacing Rate",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Medtronic Pacemaker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Columbia University",
      "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": 3,
      "start_date": "2011-04",
      "completion_date": "2012-09",
      "has_results": true,
      "last_update_posted_date": "2018-04-27",
      "last_synced_at": "2026-10-21T13:53:33.450Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00698139"
    },
    {
      "nct_id": "NCT02052453",
      "title": "ICD-ON Registry: Periop Management of Cardiac Devices",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Oversensing Cardiac Pacemaker",
        "ICD",
        "Surgery"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Edward Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 350,
      "start_date": "2014-02",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2017-07-28",
      "last_synced_at": "2026-10-21T13:53:33.450Z",
      "location_count": 3,
      "location_summary": "Downers Grove, Illinois • Elmhurst, Illinois • Naperville, Illinois",
      "locations": [
        {
          "city": "Downers Grove",
          "state": "Illinois"
        },
        {
          "city": "Elmhurst",
          "state": "Illinois"
        },
        {
          "city": "Naperville",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02052453"
    },
    {
      "nct_id": "NCT01043705",
      "title": "TYRX™ Envelope for Prevention of Infection Following Replacement With a CRT or ICD",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Implantable Electronic Device Infection"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "TYRX, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1262,
      "start_date": "2010-01",
      "completion_date": "2015-05",
      "has_results": true,
      "last_update_posted_date": "2015-12-24",
      "last_synced_at": "2026-10-21T13:53:33.450Z",
      "location_count": 52,
      "location_summary": "Birmingham, Alabama • Decatur, Alabama • Florence, Alabama + 44 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Decatur",
          "state": "Alabama"
        },
        {
          "city": "Florence",
          "state": "Alabama"
        },
        {
          "city": "Gadsden",
          "state": "Alabama"
        },
        {
          "city": "Scottsdate",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01043705"
    },
    {
      "nct_id": "NCT06166277",
      "title": "Cardioneuroablation for Recurrent Vasovagal Syncope and Bradyarrhythmias: The CNA-FWRD Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Vasovagal Syncope",
        "AV Block-2Nd Degree-Type 1",
        "Sinus Pause"
      ],
      "interventions": [
        {
          "name": "Ablation procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Rush University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 300,
      "start_date": "2024-08-01",
      "completion_date": "2027-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-09-18",
      "last_synced_at": "2026-10-21T13:53:33.450Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06166277"
    }
  ]
}