{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ECG&page=28",
    "query": {
      "intervention": "ECG",
      "page": 28
    },
    "page_size": 10
  },
  "pagination": {
    "page": 28,
    "page_size": 10,
    "total_count": 701,
    "total_pages": 71,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ECG&page=29&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=ECG&page=27&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-19T15:59:49.535Z",
  "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": "NCT03368833",
      "title": "Caudal Blockade and Electrocardiographic Changes",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Regional Anesthesia Morbidity"
      ],
      "interventions": [
        {
          "name": "Electrocardiogram",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Senthil G. Krishna",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "Up to 18 Years"
      },
      "enrollment_count": 5,
      "start_date": "2017-12-15",
      "completion_date": "2022-09-06",
      "has_results": false,
      "last_update_posted_date": "2023-02-23",
      "last_synced_at": "2026-10-19T15:59:49.535Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03368833"
    },
    {
      "nct_id": "NCT05357404",
      "title": "Age and Sex-Specific PREValence of AcqUirEd VALVular Heart DiseasE",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Valvular Heart Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Cardiovascular Research Foundation, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "65 Years to 85 Years"
      },
      "enrollment_count": 2870,
      "start_date": "2022-04-21",
      "completion_date": "2025-04",
      "has_results": false,
      "last_update_posted_date": "2025-02-07",
      "last_synced_at": "2026-10-19T15:59:49.535Z",
      "location_count": 1,
      "location_summary": "Walnut Creek, California",
      "locations": [
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05357404"
    },
    {
      "nct_id": "NCT06353191",
      "title": "Biomarkers to Predict Cancer Therapy-related Cardiotoxicity",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematopoietic and Lymphatic System Neoplasm",
        "Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 693,
      "start_date": "2019-05-03",
      "completion_date": "2031-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-08-18",
      "last_synced_at": "2026-10-19T15:59:49.535Z",
      "location_count": 4,
      "location_summary": "Scottsdale, Arizona • Jacksonville, Florida • Tampa, Florida + 1 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06353191"
    },
    {
      "nct_id": "NCT06041373",
      "title": "Verily Watch Cardio (AF and ECG) Study",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Verily Watch Cardio",
          "type": "DEVICE"
        },
        {
          "name": "iRhythm Zio monitor",
          "type": "DEVICE"
        },
        {
          "name": "Schiller CARDIOVIT FT-1",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Verily Life Sciences LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2023-11",
      "completion_date": "2024-11",
      "has_results": false,
      "last_update_posted_date": "2023-12-22",
      "last_synced_at": "2026-10-19T15:59:49.535Z",
      "location_count": 3,
      "location_summary": "Lakewood, Colorado • Southfield, Michigan • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Southfield",
          "state": "Michigan"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06041373"
    },
    {
      "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": "2026-10-19T15:59:49.535Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06290570"
    },
    {
      "nct_id": "NCT04756193",
      "title": "Evaluate Long Term Cardiovascular and Pulmonary Complications After COVID-19 With Point of Care Ultrasound",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19",
        "Echocardiography",
        "Ultrasound"
      ],
      "interventions": [
        {
          "name": "Point of care ultrasound including echocardiography, lung ultrasound, vascular ultrasound",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "University of Louisville",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 98,
      "start_date": "2021-04-15",
      "completion_date": "2024-09-24",
      "has_results": false,
      "last_update_posted_date": "2024-10-30",
      "last_synced_at": "2026-10-19T15:59:49.535Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04756193"
    },
    {
      "nct_id": "NCT03952637",
      "title": "A Phase 1/2 Study of Intravenous Gene Transfer With an AAV9 Vector Expressing Human Beta-galactosidase in Type I and Type II GM1 Gangliosidosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Lysosomal Diseases",
        "Gangliosidosis",
        "GM1"
      ],
      "interventions": [
        {
          "name": "AAV9-GLB1",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Abdominal ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Rituximab",
          "type": "DRUG"
        },
        {
          "name": "Sirolimus",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Audiology assessment with ABR",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Bone density scan (DEXA)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electrocardiogram (EKG)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Electroencephalogram (EEG) awake and extended overnight",
          "type": "OTHER"
        },
        {
          "name": "Laboratory tests",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Lumbar puncture",
          "type": "PROCEDURE"
        },
        {
          "name": "Brain MRI/MRS/fMRI",
          "type": "PROCEDURE"
        },
        {
          "name": "Neurocognitive testing",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Neurology exam",
          "type": "OTHER"
        },
        {
          "name": "PICC or other Central line placement",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Skeletal survey",
          "type": "PROCEDURE"
        },
        {
          "name": "Skin biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Speech and modified barium swallow study",
          "type": "PROCEDURE"
        },
        {
          "name": "Ophthalmology exam",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "PROCEDURE",
        "DRUG",
        "DIAGNOSTIC_TEST",
        "OTHER",
        "BEHAVIORAL"
      ],
      "sponsor": "National Human Genome Research Institute (NHGRI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "12 Years",
        "sex": "ALL",
        "summary": "6 Months to 12 Years"
      },
      "enrollment_count": 54,
      "start_date": "2019-08-19",
      "completion_date": "2030-01-01",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-19T15:59:49.535Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03952637"
    },
    {
      "nct_id": "NCT04699812",
      "title": "Atrial Fibrillation Algorithms Clinical Validation Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "ELECTROCARDIOGRAM (ECG) PATCH WEAR",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Apple Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 573,
      "start_date": "2020-11-16",
      "completion_date": "2021-12-17",
      "has_results": true,
      "last_update_posted_date": "2022-08-24",
      "last_synced_at": "2026-10-19T15:59:49.535Z",
      "location_count": 4,
      "location_summary": "Coral Gables, Florida • Avon, Indiana • Wichita, Kansas + 1 more",
      "locations": [
        {
          "city": "Coral Gables",
          "state": "Florida"
        },
        {
          "city": "Avon",
          "state": "Indiana"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04699812"
    },
    {
      "nct_id": "NCT05699265",
      "title": "Cardiovasculorenal Phenotyping in Fabry Disease Through Noninvasive Testing",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Fabry Disease"
      ],
      "interventions": [
        {
          "name": "Measures of arterial stiffness and endothelial function",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ambulatory blood pressure monitoring",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Cardiopulmonary exercise testing (CPET)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serum and urine biomarkers",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "8 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "8 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2023-02-01",
      "completion_date": "2025-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-06-19",
      "last_synced_at": "2026-10-19T15:59:49.535Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05699265"
    },
    {
      "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": "2026-10-19T15:59:49.535Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05044104"
    }
  ]
}