{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Electrocardiogram&page=3",
    "query": {
      "condition": "Electrocardiogram",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 151,
    "total_pages": 16,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Electrocardiogram&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Electrocardiogram&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-29T15:19:58.917Z",
  "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": "NCT00785564",
      "title": "Imaging Cardiac Electrical Remodeling With Electrocardiogram Imaging (ECGI)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sick Sinus Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2007-11",
      "completion_date": "2011-09",
      "has_results": false,
      "last_update_posted_date": "2019-01-08",
      "last_synced_at": "2026-10-29T15:19:58.917Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00785564"
    },
    {
      "nct_id": "NCT06151184",
      "title": "Post-concussion Syndrome and Chiropractic",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-Concussion Syndrome"
      ],
      "interventions": [
        {
          "name": "Chiropractic adjustment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Life University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2024-01-27",
      "completion_date": "2026-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-25",
      "last_synced_at": "2026-10-29T15:19:58.917Z",
      "location_count": 1,
      "location_summary": "Marietta, Georgia",
      "locations": [
        {
          "city": "Marietta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06151184"
    },
    {
      "nct_id": "NCT05441852",
      "title": "A Study to Detect Hyperkalemia Using Smartphone-enabled Electrocardiogram (EKG)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hyperkalemia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "50 Years to 89 Years"
      },
      "enrollment_count": 1151,
      "start_date": "2022-03-31",
      "completion_date": "2023-07-07",
      "has_results": false,
      "last_update_posted_date": "2023-07-14",
      "last_synced_at": "2026-10-29T15:19:58.917Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05441852"
    },
    {
      "nct_id": "NCT01275430",
      "title": "Assessment of the Precision of the Sherlock 3CG Tip Positioning System",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "No Specific Conditions Under Study. Primary Focus: Adult Subjects Who Require PICC Placement"
      ],
      "interventions": [
        {
          "name": "Sherlock 3CG",
          "type": "DEVICE"
        },
        {
          "name": "Blind Placement",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "C. R. Bard",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2011-01",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2016-11-16",
      "last_synced_at": "2026-10-29T15:19:58.917Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01275430"
    },
    {
      "nct_id": "NCT07062848",
      "title": "An Observational Study Using Artificial Intelligence (AI) Algorithms on Electrocardiography (ECG), Point-of-care Ultrasound (POCUS), and Transthoracic Echocardiophy (TTE) to Estimate the Under-diagnosis of Transthyretin Amyloid Cardiomyopathy (ATTR-CM) Across a Diverse Range of US Health Systems.",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Transthyretin (TTR) Amyloid Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "AI Toolkit for ATTR-CM Diagnosis",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": "95 Years",
        "sex": "ALL",
        "summary": "50 Years to 95 Years"
      },
      "enrollment_count": 1500000,
      "start_date": "2025-01-24",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-29",
      "last_synced_at": "2026-10-29T15:19:58.917Z",
      "location_count": 12,
      "location_summary": "San Francisco, California • New Haven, Connecticut • Chicago, Illinois + 9 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07062848"
    },
    {
      "nct_id": "NCT05928195",
      "title": "Acute Effects of Organic Guayusa Extract",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Acute Physiological Effects of Organic Guayusa Extract"
      ],
      "interventions": [
        {
          "name": "Acute Moderate-Dose Guayusa Extract Supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Acute High-Dose Guayusa Extract Supplementation",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Nathaniel Jenkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 32,
      "start_date": "2022-05-16",
      "completion_date": "2023-04-12",
      "has_results": false,
      "last_update_posted_date": "2023-07-05",
      "last_synced_at": "2026-10-29T15:19:58.917Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05928195"
    },
    {
      "nct_id": "NCT05016206",
      "title": "A Study of the Cardiac Effects of Danicopan in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Danicopan",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin-matching Placebo",
          "type": "DRUG"
        },
        {
          "name": "Danicopan-matching placebo",
          "type": "DRUG"
        },
        {
          "name": "Moxifloxacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 33,
      "start_date": "2018-07-26",
      "completion_date": "2018-10-12",
      "has_results": false,
      "last_update_posted_date": "2021-08-23",
      "last_synced_at": "2026-10-29T15:19:58.917Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05016206"
    },
    {
      "nct_id": "NCT06892938",
      "title": "Detection and Classification of Cardiac Rhythm and Atrial Fibrillation Using a Finger-worn Ring",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation (AF)",
        "Arrhythmias Cardiac",
        "Tachycardia",
        "Palpitations",
        "Bradycardia"
      ],
      "interventions": [
        {
          "name": "Atrial Fibrillation Identification",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Everbeat",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 232,
      "start_date": "2024-09-17",
      "completion_date": "2025-04-01",
      "has_results": false,
      "last_update_posted_date": "2025-03-27",
      "last_synced_at": "2026-10-29T15:19:58.917Z",
      "location_count": 3,
      "location_summary": "La Jolla, California • Baton Rouge, Louisiana • Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Baton Rouge",
          "state": "Louisiana"
        },
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06892938"
    },
    {
      "nct_id": "NCT01365806",
      "title": "Home Electrocardiogram (ECG) Monitoring After Heart Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Transplant Rejection",
        "Qt Interval, Variation in"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 345,
      "start_date": "2011-08",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2017-03-08",
      "last_synced_at": "2026-10-29T15:19:58.917Z",
      "location_count": 3,
      "location_summary": "Los Angeles, California • New York, New York",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01365806"
    },
    {
      "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": "2026-10-29T15:19:58.917Z",
      "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"
    }
  ]
}