{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Electrophysiology+Study",
    "query": {
      "condition": "Electrophysiology Study"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 42,
    "total_pages": 5,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Electrophysiology+Study&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T06:05:26.024Z",
  "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": "NCT00562757",
      "title": "Prospective Study to Identify Patients at Risk of Dangerous Ventricular Arrhythmias",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sudden Cardiac Death"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Harbinger Medical, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 320,
      "start_date": "2003-09",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2007-11-22",
      "last_synced_at": "2026-07-24T06:05:26.024Z",
      "location_count": 4,
      "location_summary": "Phoenix, Arizona • Wichita, Kansas • Boston, Massachusetts + 1 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Wichita",
          "state": "Kansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00562757"
    },
    {
      "nct_id": "NCT00406185",
      "title": "Database Registry of the Intermountain Heart Collaborative Study",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease",
        "Electrophysiology",
        "Cardiovascular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Intermountain Health Care, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30000,
      "start_date": "1994-10",
      "completion_date": "2027-03",
      "has_results": false,
      "last_update_posted_date": "2026-04-14",
      "last_synced_at": "2026-07-24T06:05:26.024Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00406185"
    },
    {
      "nct_id": "NCT04489095",
      "title": "Conduction Disease After Transcatheter Aortic Valve Replacement",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Aortic Stenosis",
        "Heart Block",
        "Aortic Insufficiency"
      ],
      "interventions": [
        {
          "name": "Electrophysiology Study",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 126,
      "start_date": "2020-07-16",
      "completion_date": "2022-08-01",
      "has_results": false,
      "last_update_posted_date": "2022-12-14",
      "last_synced_at": "2026-07-24T06:05:26.024Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04489095"
    },
    {
      "nct_id": "NCT03771586",
      "title": "A Study to Assess the Electrophysiology, Safety, Tolerability, and Pharmacokinetics of SAGE-718 Using a Ketamine Challenge in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Volunteer"
      ],
      "interventions": [
        {
          "name": "SAGE-718",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Supernus Pharmaceuticals, Inc.",
      "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": 22,
      "start_date": "2018-09-24",
      "completion_date": "2019-01-02",
      "has_results": false,
      "last_update_posted_date": "2025-09-17",
      "last_synced_at": "2026-07-24T06:05:26.024Z",
      "location_count": 2,
      "location_summary": "Long Beach, California • Berlin, New Jersey",
      "locations": [
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Berlin",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03771586"
    },
    {
      "nct_id": "NCT00583297",
      "title": "Genetic Substudy of the Alternans Before Cardioverter Defibrillator (ABCD) Trial",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Tachycardia",
        "Cardiovascular Diseases",
        "Arrythmia",
        "CVD"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "CardioDx",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2007-01",
      "completion_date": "2009-12",
      "has_results": false,
      "last_update_posted_date": "2018-02-22",
      "last_synced_at": "2026-07-24T06:05:26.024Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00583297"
    },
    {
      "nct_id": "NCT00721032",
      "title": "Anti-arrhythmic Medication v. MRI-Merge Ablation in the Treatment of Ventricular Tachycardia",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "MRI guided VT ablation",
          "type": "PROCEDURE"
        },
        {
          "name": "Increased dose of amiodarone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Johns Hopkins University",
      "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": 0,
      "start_date": "2012-06",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2017-05-10",
      "last_synced_at": "2026-07-24T06:05:26.024Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00721032"
    },
    {
      "nct_id": "NCT01900132",
      "title": "Electrical Impedance Myography: Natural History Studies inNeuromuscular Disorders and Healthy Volunteers",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Neuromuscular Disease",
        "Motor Neuron Disease",
        "Inherited Neuromuscular Conditions",
        "Inherited Neuropathies"
      ],
      "interventions": [
        {
          "name": "EIM testing",
          "type": "DEVICE"
        },
        {
          "name": "Nerve & muscle ultrasonography",
          "type": "DEVICE"
        },
        {
          "name": "Nerve conduction studies",
          "type": "DEVICE"
        },
        {
          "name": "Electromyography (EMG)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "2 Years to 110 Years"
      },
      "enrollment_count": 275,
      "start_date": "2013-06-20",
      "completion_date": "2027-06-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-15",
      "last_synced_at": "2026-07-24T06:05:26.024Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01900132"
    },
    {
      "nct_id": "NCT03628911",
      "title": "Study to Evaluate Tetanizing Burst Therapy in Patients Undergoing ICD Replacement",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Electrophysiology"
      ],
      "interventions": [
        {
          "name": "Tetanizing Burst Therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "EP Sciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2018-01-01",
      "completion_date": "2020-12-01",
      "has_results": false,
      "last_update_posted_date": "2019-09-17",
      "last_synced_at": "2026-07-24T06:05:26.024Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03628911"
    },
    {
      "nct_id": "NCT04893278",
      "title": "Virtual Reality in Electrophysiology Laboratory (EP)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PVC - Premature Ventricular Complex",
        "Ablation"
      ],
      "interventions": [
        {
          "name": "Virtual reality",
          "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": 10,
      "start_date": "2021-07-31",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-01-21",
      "last_synced_at": "2026-07-24T06:05:26.024Z",
      "location_count": 1,
      "location_summary": "Jacksonville, Florida",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04893278"
    },
    {
      "nct_id": "NCT06053190",
      "title": "Effects of Clear Speech on Listening Effort and Memory in Sentence Processing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Speech",
        "Memory, Delayed",
        "Sensorineural Hearing Loss"
      ],
      "interventions": [
        {
          "name": "Sentence stimulus",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Speaking style",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "60 Years to 90 Years"
      },
      "enrollment_count": 80,
      "start_date": "2023-09-12",
      "completion_date": "2025-03-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-13",
      "last_synced_at": "2026-07-24T06:05:26.024Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06053190"
    }
  ]
}