{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Standard+12-lead+ECG&page=2",
    "query": {
      "intervention": "Standard 12-lead ECG",
      "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?intervention=Standard+12-lead+ECG&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T01:42:00.358Z",
  "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": "NCT07103057",
      "title": "VIZ ACCESS HCM - Multi-Site Registry",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hypertrophic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Viz HCM",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Viz.ai, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 17,
      "start_date": "2025-06-13",
      "completion_date": "2026-09-17",
      "has_results": false,
      "last_update_posted_date": "2026-09-23",
      "last_synced_at": "2026-09-27T01:42:00.358Z",
      "location_count": 3,
      "location_summary": "Atlanta, Georgia • Evanston, Illinois • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07103057"
    },
    {
      "nct_id": "NCT05784766",
      "title": "Screening for Atrial Fibrillation in Patients With Cancer: A Pilot Randomized Controlled Clinical Trial",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "30-second ECG using the Kardia Mobile",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "routine care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "OTHER"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "65 Years to 90 Years"
      },
      "enrollment_count": 494,
      "start_date": "2023-11-06",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-04-06",
      "last_synced_at": "2026-09-27T01:42:00.358Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05784766"
    },
    {
      "nct_id": "NCT05469542",
      "title": "Everbeat Ring ECG Clinical Concordance Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Diseases"
      ],
      "interventions": [
        {
          "name": "Everbeat Ring",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Grektek Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 65,
      "start_date": "2022-08-01",
      "completion_date": "2022-09-20",
      "has_results": false,
      "last_update_posted_date": "2022-07-21",
      "last_synced_at": "2026-09-27T01:42:00.358Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05469542"
    },
    {
      "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": "2026-09-27T01:42:00.358Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03515057"
    },
    {
      "nct_id": "NCT03804424",
      "title": "64Cu-LLP2A for Imaging Multiple Myeloma",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "64Cu-LLP2A",
          "type": "DRUG"
        },
        {
          "name": "PET/MR",
          "type": "DEVICE"
        },
        {
          "name": "Blood samples for serum stability",
          "type": "PROCEDURE"
        },
        {
          "name": "Blood samples for metabolite analysis",
          "type": "PROCEDURE"
        },
        {
          "name": "Urine sample",
          "type": "PROCEDURE"
        },
        {
          "name": "Tumor biopsy",
          "type": "PROCEDURE"
        },
        {
          "name": "Electrocardiogram",
          "type": "PROCEDURE"
        },
        {
          "name": "PET/CT",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2018-11-20",
      "completion_date": "2021-10-01",
      "has_results": false,
      "last_update_posted_date": "2024-11-12",
      "last_synced_at": "2026-09-27T01:42:00.358Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03804424"
    },
    {
      "nct_id": "NCT00538122",
      "title": "Changes in Heart Rhythms Associated With Antipsychotic Drug Treatment",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Schizophrenia",
        "Schizoaffective Disorder",
        "Bipolar Disorder"
      ],
      "interventions": [
        {
          "name": "24 Holter Monitor Recording",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 12,
      "start_date": "2007-07",
      "completion_date": "2008-09",
      "has_results": false,
      "last_update_posted_date": "2009-01-27",
      "last_synced_at": "2026-09-27T01:42:00.358Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00538122"
    },
    {
      "nct_id": "NCT03971734",
      "title": "Determining Dose of Regadenoson Most Likely to Transiently Alter the Integrity of the Blood-Brain Barrier in Patients With High Grade Gliomas",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "High Grade Glioma",
        "Anaplastic Astrocytoma",
        "Anaplastic Oligodendroglioma",
        "Glioblastoma"
      ],
      "interventions": [
        {
          "name": "Regadenoson 0.05mg",
          "type": "DRUG"
        },
        {
          "name": "Regadensoson 0.1mg",
          "type": "DRUG"
        },
        {
          "name": "Regadensoson 0.2mg",
          "type": "DRUG"
        },
        {
          "name": "Regadensoson 0.4mg",
          "type": "DRUG"
        },
        {
          "name": "Regadensoson 0.7mg",
          "type": "DRUG"
        },
        {
          "name": "Regadensoson 1.0mg",
          "type": "DRUG"
        },
        {
          "name": "Regadensoson 1.4mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 7,
      "start_date": "2019-12-06",
      "completion_date": "2023-10-02",
      "has_results": false,
      "last_update_posted_date": "2023-10-06",
      "last_synced_at": "2026-09-27T01:42:00.358Z",
      "location_count": 2,
      "location_summary": "Baltimore, Maryland • Winston-Salem, North Carolina",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Winston-Salem",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03971734"
    },
    {
      "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": "2026-09-27T01:42:00.358Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03952637"
    },
    {
      "nct_id": "NCT03830320",
      "title": "Positron Emission Tomography (PET) Imaging of Thrombosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "COVID-19",
        "Cancer",
        "Thrombosis"
      ],
      "interventions": [
        {
          "name": "[64Cu]FBP8",
          "type": "DRUG"
        },
        {
          "name": "PET/MR",
          "type": "DEVICE"
        },
        {
          "name": "Blood Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Electrocardiogram",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 165,
      "start_date": "2016-04-01",
      "completion_date": "2027-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-27",
      "last_synced_at": "2026-09-27T01:42:00.358Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03830320"
    },
    {
      "nct_id": "NCT02498769",
      "title": "Temporary Autonomic Blockade to Prevent Atrial Fibrillation After Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Botulinum Toxin Type A",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Joseph Mathew, M.D.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "50 Years to 90 Years"
      },
      "enrollment_count": 130,
      "start_date": "2015-09",
      "completion_date": "2018-12-01",
      "has_results": true,
      "last_update_posted_date": "2019-02-22",
      "last_synced_at": "2026-09-27T01:42:00.358Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02498769"
    }
  ]
}