{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=12+lead+Electrocardiogram&page=2",
    "query": {
      "intervention": "12 lead Electrocardiogram",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 86,
    "total_pages": 9,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=12+lead+Electrocardiogram&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=12+lead+Electrocardiogram&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T03:57:55.948Z",
  "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": "NCT05043454",
      "title": "Improving Age-Related Cognitive Decline With Exercise in Hypertensive Older Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Hypertension"
      ],
      "interventions": [
        {
          "name": "High Intensity Interval Training (HIIT) Exercise",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "55 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "55 Years to 75 Years"
      },
      "enrollment_count": 11,
      "start_date": "2021-10-01",
      "completion_date": "2025-07-09",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-10-02T03:57:55.948Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05043454"
    },
    {
      "nct_id": "NCT05036252",
      "title": "Study of Cardiopulmonary Exercise Testing in Women Who Have HER2-Positive Breast Cancer With Mild Cardiotoxicity",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer",
        "HER2-positive Breast Cancer",
        "HER2-positive Metastatic Breast Cancer",
        "Breast Cancer Stage I",
        "Breast Cancer Stage II",
        "Breast Cancer Stage III",
        "Breast Cancer Stage IV",
        "Cardiotoxicity"
      ],
      "interventions": [
        {
          "name": "Cardiopulmonary Exercise Test",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiography",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2021-08-27",
      "completion_date": "2026-08-27",
      "has_results": false,
      "last_update_posted_date": "2025-09-30",
      "last_synced_at": "2026-10-02T03:57:55.948Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05036252"
    },
    {
      "nct_id": "NCT02967315",
      "title": "Effects of Changes in Fluid Status on Right Ventricular Volumes and Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Tetralogy of Fallot"
      ],
      "interventions": [
        {
          "name": "Cardiac Magnetic Resonance Imaging (CMRI)",
          "type": "PROCEDURE"
        },
        {
          "name": "Central venous line placement",
          "type": "PROCEDURE"
        },
        {
          "name": "Chest X-ray",
          "type": "PROCEDURE"
        },
        {
          "name": "Fluid administration",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood Draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Pregnancy test",
          "type": "PROCEDURE"
        },
        {
          "name": "Electrocardiogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2014-06-06",
      "completion_date": "2021-03-18",
      "has_results": false,
      "last_update_posted_date": "2021-04-14",
      "last_synced_at": "2026-10-02T03:57:55.948Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02967315"
    },
    {
      "nct_id": "NCT01297062",
      "title": "A Safety Study to Assess the Effects of Therapeutic and Supratherapeutic Exenatide Concentrations on QT Interval in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Subjects"
      ],
      "interventions": [
        {
          "name": "Exenatide",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo comparator",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 94,
      "start_date": "2011-02",
      "completion_date": "2011-05",
      "has_results": true,
      "last_update_posted_date": "2015-04-14",
      "last_synced_at": "2026-10-02T03:57:55.948Z",
      "location_count": 2,
      "location_summary": "Daytona Beach, Florida • Evansville, Indiana",
      "locations": [
        {
          "city": "Daytona Beach",
          "state": "Florida"
        },
        {
          "city": "Evansville",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01297062"
    },
    {
      "nct_id": "NCT04963218",
      "title": "A Multi-Center Study of Detection of Low Ventricular Ejection Fraction",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Disease"
      ],
      "interventions": [
        {
          "name": "AI Algorithm to detect LVEF in ECG",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "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": 16000,
      "start_date": "2021-08-30",
      "completion_date": "2022-04-13",
      "has_results": false,
      "last_update_posted_date": "2022-07-13",
      "last_synced_at": "2026-10-02T03:57:55.948Z",
      "location_count": 4,
      "location_summary": "Boston, Massachusetts • The Bronx, New York • Rapid City, South Dakota + 1 more",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Rapid City",
          "state": "South Dakota"
        },
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04963218"
    },
    {
      "nct_id": "NCT04002531",
      "title": "A One Visit Follow Up of Adults With Fabry Disease Who Started Long-term Enzyme Replacement Therapy As Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Quality of Life",
        "Renal Insufficiency",
        "Cardiac Event"
      ],
      "interventions": [
        {
          "name": "General and Neurological examination",
          "type": "OTHER"
        },
        {
          "name": "Vital signs",
          "type": "OTHER"
        },
        {
          "name": "12 lead electrocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Echocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood draw",
          "type": "PROCEDURE"
        },
        {
          "name": "Urine collection",
          "type": "PROCEDURE"
        },
        {
          "name": "2-hour Holter Monitor",
          "type": "PROCEDURE"
        },
        {
          "name": "Brief Pain Inventory questionnaire",
          "type": "OTHER"
        },
        {
          "name": "Quality of Life questionnaire",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Baylor Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2018-11-10",
      "completion_date": "2019-12-13",
      "has_results": false,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-10-02T03:57:55.948Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04002531"
    },
    {
      "nct_id": "NCT03564860",
      "title": "HBP Device EGM Data Collection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sick Sinus Syndrome",
        "AV Block",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Device data collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2018-07-17",
      "completion_date": "2020-09-30",
      "has_results": false,
      "last_update_posted_date": "2020-10-08",
      "last_synced_at": "2026-10-02T03:57:55.948Z",
      "location_count": 3,
      "location_summary": "Huntsville, Alabama • Sayre, Pennsylvania • Greenville, South Carolina",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Sayre",
          "state": "Pennsylvania"
        },
        {
          "city": "Greenville",
          "state": "South Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03564860"
    },
    {
      "nct_id": "NCT06290570",
      "title": "A Study of Artificial Intelligence ECG With ECG Devices to Detect Hypertrophic Cardiomyopathy Distinct From Athlete's",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertrophic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "12-Lead ECG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Apple Smart Watch Single Lead ECG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "AliveCor KardiaMobile 6-Lead ECG",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 183,
      "start_date": "2024-05-07",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-19",
      "last_synced_at": "2026-10-02T03:57:55.948Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06290570"
    },
    {
      "nct_id": "NCT04804969",
      "title": "MyoVista wavECG Clinical Validation Study Versus Low e' on Echocardiogram",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Disease"
      ],
      "interventions": [
        {
          "name": "MyoVista wavECG Test",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Heart Test Laboratories, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 575,
      "start_date": "2021-05-10",
      "completion_date": "2023-11-30",
      "has_results": false,
      "last_update_posted_date": "2023-09-21",
      "last_synced_at": "2026-10-02T03:57:55.948Z",
      "location_count": 5,
      "location_summary": "La Jolla, California • Boston, Massachusetts • The Bronx, New York + 2 more",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04804969"
    },
    {
      "nct_id": "NCT00437242",
      "title": "Odiparcil QT Definitive Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Fibrillation, Atrial",
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Odiparcil",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "18 Years to 60 Years"
      },
      "enrollment_count": 54,
      "start_date": "2006-10",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2012-06-04",
      "last_synced_at": "2026-10-02T03:57:55.948Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00437242"
    }
  ]
}