{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Pacemaker&page=2",
    "query": {
      "condition": "Pacemaker",
      "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?condition=Pacemaker&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:21:25.632Z",
  "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": "NCT04051814",
      "title": "A Retrospective Trial to Evaluate the Micra Pacemaker",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pacemaker"
      ],
      "interventions": [
        {
          "name": "Micra Transcatheter Pacemaker System",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Hoag Memorial Hospital Presbyterian",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 500,
      "start_date": "2019-07-31",
      "completion_date": "2025-05-15",
      "has_results": false,
      "last_update_posted_date": "2023-02-28",
      "last_synced_at": "2026-05-22T05:21:25.632Z",
      "location_count": 1,
      "location_summary": "Newport Beach, California",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04051814"
    },
    {
      "nct_id": "NCT00757666",
      "title": "APPROPRIATE - Rate Adaptive Pacing Sensor",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Rate adaptive pacemaker",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 566,
      "start_date": "2008-12",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2017-06-14",
      "last_synced_at": "2026-05-22T05:21:25.632Z",
      "location_count": 2,
      "location_summary": "Jonesboro, Arkansas • Davenport, Iowa",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Davenport",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00757666"
    },
    {
      "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": "2026-05-22T05:21:25.632Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03915015"
    },
    {
      "nct_id": "NCT04235491",
      "title": "Longitudinal Coverage With Evidence Development Study on Micra AV Leadless Pacemakers (Micra AV CED)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Bradycardia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medtronic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 37000,
      "start_date": "2020-02-06",
      "completion_date": "2029-06",
      "has_results": false,
      "last_update_posted_date": "2025-09-29",
      "last_synced_at": "2026-05-22T05:21:25.632Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04235491"
    },
    {
      "nct_id": "NCT00420108",
      "title": "Optivol Diagnostic Data for Discharge in Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure, Congestive",
        "Cardiac Pacemaker, Artificial"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Thomas Jefferson University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 23,
      "start_date": "2006-12",
      "completion_date": "2010-02",
      "has_results": false,
      "last_update_posted_date": "2010-08-20",
      "last_synced_at": "2026-05-22T05:21:25.632Z",
      "location_count": 5,
      "location_summary": "Saint Joseph, Missouri • Elmer, New Jersey • Philadelphia, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Saint Joseph",
          "state": "Missouri"
        },
        {
          "city": "Elmer",
          "state": "New Jersey"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Wynnewood",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00420108"
    },
    {
      "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": "2026-05-22T05:21:25.632Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00268021"
    },
    {
      "nct_id": "NCT00279981",
      "title": "TRENDS: A Prospective Study of the Clinical Significance of Atrial Arrhythmias Detected by Implanted Device Diagnostics",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Stroke",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Diagnostic",
          "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": 3100,
      "start_date": "2003-11",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2008-12-11",
      "last_synced_at": "2026-05-22T05:21:25.632Z",
      "location_count": 92,
      "location_summary": "Mesa, Arizona • Tucson, Arizona • Fountain Valley, California + 89 more",
      "locations": [
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Modesto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00279981"
    },
    {
      "nct_id": "NCT00303511",
      "title": "Pacemaker Therapy in Adults With Congenital Heart Defects",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congenital Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "1996-01",
      "completion_date": "2006-08",
      "has_results": true,
      "last_update_posted_date": "2014-08-08",
      "last_synced_at": "2026-05-22T05:21:25.632Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00303511"
    },
    {
      "nct_id": "NCT07477964",
      "title": "Postcards to Improve Remote Monitoring Connectivity Among Veterans With a Disconnected CIED",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "ICD",
        "Pacemaker",
        "Implanted Loop Recorder",
        "Remote Monitoring",
        "Adherence, Patient"
      ],
      "interventions": [
        {
          "name": "Tailored Postcards",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "San Francisco VA Health Care System",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1312,
      "start_date": "2024-08-05",
      "completion_date": "2025-08-21",
      "has_results": false,
      "last_update_posted_date": "2026-03-17",
      "last_synced_at": "2026-05-22T05:21:25.632Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07477964"
    },
    {
      "nct_id": "NCT02378623",
      "title": "Patients With Patent Foramen Ovale and Endocardial Device Leads on Apixaban for Prevention of Paradoxical Emboli",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Patent Foramen Ovale",
        "Cardiac Implantable Electronic Device"
      ],
      "interventions": [
        {
          "name": "Apixaban",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "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": "2015-05",
      "completion_date": "2020-01",
      "has_results": false,
      "last_update_posted_date": "2018-11-16",
      "last_synced_at": "2026-05-22T05:21:25.632Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02378623"
    }
  ]
}