{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pacemaker&page=6",
    "query": {
      "intervention": "Pacemaker",
      "page": 6
    },
    "page_size": 10
  },
  "pagination": {
    "page": 6,
    "page_size": 10,
    "total_count": 235,
    "total_pages": 24,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pacemaker&page=7&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Pacemaker&page=5&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-25T20:06:27.313Z",
  "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": "NCT04905290",
      "title": "Conduction System Pacing Optimized Therapy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Left ventricular coronary sinus (BiV) configuration",
          "type": "DEVICE"
        },
        {
          "name": "Conduction system pacing-only configuration",
          "type": "DEVICE"
        },
        {
          "name": "Conduction System Pacing Optimized Therapy (CSPOT) configuration",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 60,
      "start_date": "2021-11-27",
      "completion_date": "2023-11-02",
      "has_results": true,
      "last_update_posted_date": "2025-04-15",
      "last_synced_at": "2026-10-25T20:06:27.313Z",
      "location_count": 7,
      "location_summary": "Tampa, Florida • Chicago, Illinois • Houma, Louisiana + 4 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Houma",
          "state": "Louisiana"
        },
        {
          "city": "Mounds View",
          "state": "Minnesota"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04905290"
    },
    {
      "nct_id": "NCT06068699",
      "title": "Postcards to Improve Remote Monitoring Adherence Among Veterans",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ICD",
        "Pacemaker DDD",
        "Adherence, Patient"
      ],
      "interventions": [
        {
          "name": "Postcard",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "US Department of Veterans Affairs",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 6351,
      "start_date": "2020-05-01",
      "completion_date": "2022-02-28",
      "has_results": false,
      "last_update_posted_date": "2023-10-05",
      "last_synced_at": "2026-10-25T20:06:27.313Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06068699"
    },
    {
      "nct_id": "NCT03016429",
      "title": "Safety and Clinical Outcomes of Magnetic Resonance Imaging in Patients With Cardiac Implantable Electrical Devices",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "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": 1169,
      "start_date": "2016-12",
      "completion_date": "2021-03-05",
      "has_results": false,
      "last_update_posted_date": "2022-07-20",
      "last_synced_at": "2026-10-25T20:06:27.313Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03016429"
    },
    {
      "nct_id": "NCT00949715",
      "title": "Optimize RV Follow-up Selective Site Pacing Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Pacing",
        "Right Ventricular Pacing",
        "Left Ventricular Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Medtronic or Vitatron Dual-Chamber Pacemaker",
          "type": "DEVICE"
        },
        {
          "name": "Medtronic SelectSecure 3830 Lead",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 67,
      "start_date": "2009-09",
      "completion_date": "2011-12",
      "has_results": true,
      "last_update_posted_date": "2018-02-15",
      "last_synced_at": "2026-10-25T20:06:27.313Z",
      "location_count": 10,
      "location_summary": "Des Moines, Iowa • Silver Spring, Maryland • Southfield, Michigan + 7 more",
      "locations": [
        {
          "city": "Des Moines",
          "state": "Iowa"
        },
        {
          "city": "Silver Spring",
          "state": "Maryland"
        },
        {
          "city": "Southfield",
          "state": "Michigan"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00949715"
    },
    {
      "nct_id": "NCT00279955",
      "title": "PARTNERS HF: Program to Access and Review Trending Information and Evaluate Correlation to Symptoms in Patients With Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "Cardiac Resynchronization Therapy Device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 1024,
      "start_date": "2004-06",
      "completion_date": "2008-06",
      "has_results": true,
      "last_update_posted_date": "2012-06-15",
      "last_synced_at": "2026-10-25T20:06:27.313Z",
      "location_count": 93,
      "location_summary": "Huntsville, Alabama • Phoenix, Arizona • Scottsdale, Arizona + 90 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00279955"
    },
    {
      "nct_id": "NCT04546555",
      "title": "Physiologic Accelerated Pacing as a Treatment in Patients With Heart Failure With Preserved Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Diastolic"
      ],
      "interventions": [
        {
          "name": "Dual chamber pacemaker",
          "type": "DEVICE"
        },
        {
          "name": "Accelerated Physiologic Pacing",
          "type": "OTHER"
        },
        {
          "name": "Nocturnal Pacing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Daniel L Lustgarten",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-02-23",
      "completion_date": "2023-05-25",
      "has_results": false,
      "last_update_posted_date": "2023-07-28",
      "last_synced_at": "2026-10-25T20:06:27.313Z",
      "location_count": 1,
      "location_summary": "Burlington, Vermont",
      "locations": [
        {
          "city": "Burlington",
          "state": "Vermont"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04546555"
    },
    {
      "nct_id": "NCT02003378",
      "title": "Comparison of Physiologic Response With Rate Adaptive Pacing Driven by Minute Ventilation and Accelerometer",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronotropic Incompetence"
      ],
      "interventions": [
        {
          "name": "Pacemaker sensor set to MV",
          "type": "DEVICE"
        },
        {
          "name": "Pacemaker sensor set to XL",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Albany Medical College",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2013-09",
      "completion_date": "2014-06",
      "has_results": false,
      "last_update_posted_date": "2013-12-06",
      "last_synced_at": "2026-10-25T20:06:27.313Z",
      "location_count": 1,
      "location_summary": "Albany, New York",
      "locations": [
        {
          "city": "Albany",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02003378"
    },
    {
      "nct_id": "NCT06056817",
      "title": "Chronic Evaluation of Novel Pacemaker System",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventricular Pacing With Rate Response",
        "Bradycardia"
      ],
      "interventions": [
        {
          "name": "Calyan Pacemaker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Calyan Technologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2026-07-01",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-01",
      "last_synced_at": "2026-10-25T20:06:27.313Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06056817"
    },
    {
      "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": "2026-10-25T20:06:27.313Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05884359"
    },
    {
      "nct_id": "NCT06641362",
      "title": "Ultra-High Frequency - Electrocardiogram (UHF-ECG) for the Diagnosis of Ventricular Electrical Dyssynchrony (VED)",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bradycardia",
        "Heart Failure",
        "Ventricular Dysfunction"
      ],
      "interventions": [
        {
          "name": "Ultra High Frequency Electrocardiogram (UHF-ECG)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "VDI Technologies",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 360,
      "start_date": "2025-03-18",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-10-25T20:06:27.313Z",
      "location_count": 7,
      "location_summary": "Avondale, Arizona • Mesa, Arizona • Chicago, Illinois + 4 more",
      "locations": [
        {
          "city": "Avondale",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06641362"
    }
  ]
}