{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28ECG%29&page=5",
    "query": {
      "intervention": "Electrocardiogram (ECG)",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 362,
    "total_pages": 37,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28ECG%29&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Electrocardiogram+%28ECG%29&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-11-15T11:30:02.492Z",
  "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": "NCT02188147",
      "title": "Ambulatory Post-Syncope Arrhythmia Protection Feasibility Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Syncope"
      ],
      "interventions": [
        {
          "name": "Short Term Wearable Defibrillator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zoll Medical Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 39,
      "start_date": "2014-08",
      "completion_date": "2020-04-15",
      "has_results": true,
      "last_update_posted_date": "2023-02-21",
      "last_synced_at": "2026-11-15T11:30:02.492Z",
      "location_count": 6,
      "location_summary": "Danbury, Connecticut • Jacksonville, Florida • Minneapolis, Minnesota + 3 more",
      "locations": [
        {
          "city": "Danbury",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        },
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02188147"
    },
    {
      "nct_id": "NCT00672984",
      "title": "Guanfacine Immediate-release Electrocardiogram Results (QTc) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "immediate release guanfacine hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 83,
      "start_date": "2008-04-18",
      "completion_date": "2008-08-07",
      "has_results": true,
      "last_update_posted_date": "2021-06-14",
      "last_synced_at": "2026-11-15T11:30:02.492Z",
      "location_count": 1,
      "location_summary": "Tacoma, Washington",
      "locations": [
        {
          "city": "Tacoma",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00672984"
    },
    {
      "nct_id": "NCT05450809",
      "title": "Performance and Accuracy of an AI Enhanced Smart Watch Single Lead ECG",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2021-11-05",
      "completion_date": "2022-11-02",
      "has_results": false,
      "last_update_posted_date": "2022-12-28",
      "last_synced_at": "2026-11-15T11:30:02.492Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05450809"
    },
    {
      "nct_id": "NCT04933617",
      "title": "Copanlisib With Dose-Adjusted EPOCH-R in Relapsed and Refractory Burkitt Lymphoma and Other High-Grade B-cell Lymphomas",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Burkitt Lymphoma",
        "High-grade B-cell Lymphoma",
        "T-cell/Histocyte-rich Large B-cell Lymphoma",
        "Diffuse Large B-Cell Lymphoma (DLBCL)",
        "Germinal Center B-cell Type (GCB)"
      ],
      "interventions": [
        {
          "name": "Rituximab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Etoposide",
          "type": "DRUG"
        },
        {
          "name": "Copanlisib",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "Doxorubicin",
          "type": "DRUG"
        },
        {
          "name": "Vincristine",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "ECHO",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "EKG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MRI Brain",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "18F-FDG - PET",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CT Scan",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bone Marrow Aspiration",
          "type": "PROCEDURE"
        },
        {
          "name": "Bone Marrow Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Lumbar Puncture (LP)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "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": 8,
      "start_date": "2022-03-24",
      "completion_date": "2023-11-30",
      "has_results": true,
      "last_update_posted_date": "2024-07-09",
      "last_synced_at": "2026-11-15T11:30:02.492Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04933617"
    },
    {
      "nct_id": "NCT04464070",
      "title": "Pathways of Eicosanoid Metabolism",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Metabolism of Prostaglandin D2"
      ],
      "interventions": [
        {
          "name": "niacin",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "aspirin",
          "type": "DRUG"
        },
        {
          "name": "PGD2",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 10,
      "start_date": "2020-08-15",
      "completion_date": "2027-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-06-05",
      "last_synced_at": "2026-11-15T11:30:02.492Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04464070"
    },
    {
      "nct_id": "NCT00285922",
      "title": "Novel Method to Diagnose Acute Myocardial Ischemia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Myocardial Infarction",
        "Angina, Unstable",
        "Myocardial Ischemia",
        "Coronary Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1320,
      "start_date": "2001-08",
      "completion_date": "2005-12",
      "has_results": false,
      "last_update_posted_date": "2006-02-02",
      "last_synced_at": "2026-11-15T11:30:02.492Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00285922"
    },
    {
      "nct_id": "NCT04896073",
      "title": "Superenhancer Inhibitor Minnelide in Advanced Refractory Adenosquamous Carcinoma of the Pancreas (ASCP)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Adenosquamous Carcinoma of the Pancreas"
      ],
      "interventions": [
        {
          "name": "Minnelide",
          "type": "DRUG"
        },
        {
          "name": "ECG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CT/MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tumor Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "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": 16,
      "start_date": "2022-03-07",
      "completion_date": "2025-03-30",
      "has_results": true,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-11-15T11:30:02.492Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04896073"
    },
    {
      "nct_id": "NCT01461460",
      "title": "A Thorough QT Study of TR-701free Acid (FA) in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "TR-701 FA 1200 mg",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin 400 mg",
          "type": "DRUG"
        },
        {
          "name": "TR-701 FA 200 mg plus Placebo",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Trius Therapeutics LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 48,
      "start_date": "2011-11-28",
      "completion_date": "2011-12-23",
      "has_results": false,
      "last_update_posted_date": "2018-12-05",
      "last_synced_at": "2026-11-15T11:30:02.492Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01461460"
    },
    {
      "nct_id": "NCT05286827",
      "title": "Olaparib in Subjects With Advanced Pancreatic Acinar Cell Carcinoma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pancreatic Acinar Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Olaparib",
          "type": "DRUG"
        },
        {
          "name": "ECG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CT CAP",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tumor Biopsy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "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": 5,
      "start_date": "2023-12-14",
      "completion_date": "2025-09-25",
      "has_results": true,
      "last_update_posted_date": "2026-08-14",
      "last_synced_at": "2026-11-15T11:30:02.492Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05286827"
    },
    {
      "nct_id": "NCT05035407",
      "title": "T Cell Receptor Gene Therapy Targeting KK-LC-1 for Gastric, Breast, Cervical, Lung and Other KK-LC-1 Positive Epithelial Cancers",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Kita-kyushu Lung Cancer Antigen 1, Human"
      ],
      "interventions": [
        {
          "name": "IL-2 (Aldesleukin)",
          "type": "DRUG"
        },
        {
          "name": "Cyclophosphamide",
          "type": "DRUG"
        },
        {
          "name": "KK-LC-1 TCR",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fludarabine",
          "type": "DRUG"
        },
        {
          "name": "EKG",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CXR",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "CT",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "MRI",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "PET",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Ondansetron",
          "type": "DRUG"
        },
        {
          "name": "Meperidine",
          "type": "DRUG"
        },
        {
          "name": "Indomethacin",
          "type": "DRUG"
        },
        {
          "name": "Famotidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL",
        "DIAGNOSTIC_TEST",
        "PROCEDURE"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 36,
      "start_date": "2022-03-08",
      "completion_date": "2025-07-16",
      "has_results": true,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-11-15T11:30:02.492Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05035407"
    }
  ]
}