{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28ECG%29&page=10",
    "query": {
      "intervention": "Electrocardiogram (ECG)",
      "page": 10
    },
    "page_size": 10
  },
  "pagination": {
    "page": 10,
    "page_size": 10,
    "total_count": 362,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28ECG%29&page=11&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28ECG%29&page=9&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T12:50:46.346Z",
  "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": "NCT03515057",
      "title": "Screening for Atrial Fibrillation Among Older Patients in Primary Care Clinics",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Single lead handheld electrocardiogram",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 35308,
      "start_date": "2018-07-31",
      "completion_date": "2021-10",
      "has_results": false,
      "last_update_posted_date": "2021-02-24",
      "last_synced_at": "2026-11-15T12:50:46.346Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03515057"
    },
    {
      "nct_id": "NCT05751915",
      "title": "Magnetocardiography as a Noninvasive Diagnostic Strategy for Identifying Coronary Allograft Vasculopathy",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Allograft Vasculopathy (CAV)"
      ],
      "interventions": [
        {
          "name": "CardioFlux",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Genetesis Inc.",
      "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": "2023-05-23",
      "completion_date": "2024-01-30",
      "has_results": false,
      "last_update_posted_date": "2023-07-11",
      "last_synced_at": "2026-11-15T12:50:46.346Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05751915"
    },
    {
      "nct_id": "NCT03173950",
      "title": "Immune Checkpoint Inhibitor Nivolumab in People With Recurrent Select Rare CNS Cancers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Medulloblastoma",
        "Ependymoma",
        "Pineal Region Tumors",
        "Choroid Plexus Tumors",
        "Atypical/Malignant Meningioma"
      ],
      "interventions": [
        {
          "name": "Nivolumab",
          "type": "DRUG"
        },
        {
          "name": "EKG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MRI Brain and/or spine",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Body CT Scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MDASI-BT",
          "type": "OTHER"
        },
        {
          "name": "MDASI-SP",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 136,
      "start_date": "2017-07-13",
      "completion_date": "2025-06-23",
      "has_results": true,
      "last_update_posted_date": "2026-10-27",
      "last_synced_at": "2026-11-15T12:50:46.346Z",
      "location_count": 3,
      "location_summary": "Chicago, Illinois • Bethesda, Maryland • Houston, Texas",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Bethesda",
          "state": "Maryland"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03173950"
    },
    {
      "nct_id": "NCT00923013",
      "title": "Cladribine With Simultaneous or Delayed Rituximab to Treat Hairy Cell Leukemia",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hairy Cell Leukemia"
      ],
      "interventions": [
        {
          "name": "Cladribine",
          "type": "DRUG"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "BMbx",
          "type": "PROCEDURE"
        },
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "EKG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Abdominal/splenic ultrasound",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Stress test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 175,
      "start_date": "2008-10-20",
      "completion_date": "2030-01-31",
      "has_results": true,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-11-15T12:50:46.346Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00923013"
    },
    {
      "nct_id": "NCT05890274",
      "title": "Atrial Fibrillation (AF) and Electrocardiogram (EKG) Interpretation Project ECHO",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "AF and EKG Interpretation Project ECHO",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 70,
      "start_date": "2022-09-04",
      "completion_date": "2026-03-25",
      "has_results": false,
      "last_update_posted_date": "2026-04-27",
      "last_synced_at": "2026-11-15T12:50:46.346Z",
      "location_count": 3,
      "location_summary": "Chapel Hill, North Carolina • Durham, North Carolina • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05890274"
    },
    {
      "nct_id": "NCT05720819",
      "title": "Biofeedback-VR for Treatment of Chronic Migraine",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Migraine",
        "Behavioral Treatment",
        "Biofeedback",
        "Virtual Reality",
        "Medication Overuse Headache"
      ],
      "interventions": [
        {
          "name": "Combined biofeedback-virtual reality device",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Washington",
      "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": 50,
      "start_date": "2020-09-09",
      "completion_date": "2022-03-01",
      "has_results": false,
      "last_update_posted_date": "2023-02-09",
      "last_synced_at": "2026-11-15T12:50:46.346Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05720819"
    },
    {
      "nct_id": "NCT05044104",
      "title": "Wearable Technology in Endoscopy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Consumer-facing wearable smart watch",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 292,
      "start_date": "2022-01-11",
      "completion_date": "2022-09-01",
      "has_results": true,
      "last_update_posted_date": "2023-07-20",
      "last_synced_at": "2026-11-15T12:50:46.346Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05044104"
    },
    {
      "nct_id": "NCT04842123",
      "title": "Electrocardiogram Clinical Validation Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Electrocardiogram",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Garmin International",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 568,
      "start_date": "2021-03-31",
      "completion_date": "2021-10-04",
      "has_results": false,
      "last_update_posted_date": "2022-02-03",
      "last_synced_at": "2026-11-15T12:50:46.346Z",
      "location_count": 6,
      "location_summary": "Phoenix, Arizona • Washington D.C., District of Columbia • Saint Paul, Minnesota + 3 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        },
        {
          "city": "Manhasset",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04842123"
    },
    {
      "nct_id": "NCT01626599",
      "title": "Study to Evaluate a New Device Designed to Collect Heart Activity and Body Movement Data",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Epilepsy"
      ],
      "interventions": [
        {
          "name": "ProGuardian",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Cyberonics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 147,
      "start_date": "2012-06",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2020-08-05",
      "last_synced_at": "2026-11-15T12:50:46.346Z",
      "location_count": 6,
      "location_summary": "Chicago, Illinois • Charlotte, North Carolina • Austin, Texas + 2 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01626599"
    },
    {
      "nct_id": "NCT05316350",
      "title": "Withings ECG-app Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Electrocardiogram recording",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Withings",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 685,
      "start_date": "2022-07-15",
      "completion_date": "2023-08-15",
      "has_results": false,
      "last_update_posted_date": "2024-03-20",
      "last_synced_at": "2026-11-15T12:50:46.346Z",
      "location_count": 9,
      "location_summary": "Boca Raton, Florida • Hialeah, Florida • Miami, Florida + 6 more",
      "locations": [
        {
          "city": "Boca Raton",
          "state": "Florida"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Miami Lakes",
          "state": "Florida"
        },
        {
          "city": "Lake Bluff",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05316350"
    }
  ]
}