{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arrhythmias%2C+Cardiac&page=3",
    "query": {
      "condition": "Arrhythmias, Cardiac",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 1571,
    "total_pages": 158,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arrhythmias%2C+Cardiac&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arrhythmias%2C+Cardiac&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-05T21:43:57.370Z",
  "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": "NCT03588286",
      "title": "Programmed Ventricular Stimulation to Risk Stratify for Early Cardioverter-Defibrillator (ICD) Implantation to Prevent Tachyarrhythmias Following Acute Myocardial Infarction (PROTECT-ICD)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sudden Cardiac Death"
      ],
      "interventions": [
        {
          "name": "Electrophysiology study (EPS)",
          "type": "PROCEDURE"
        },
        {
          "name": "Standard Care",
          "type": "OTHER"
        },
        {
          "name": "Cardiac Magnetic Resonance (CMR)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "OTHER"
      ],
      "sponsor": "Western Sydney Local Health District",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 1058,
      "start_date": "2014-02-27",
      "completion_date": "2029-12-06",
      "has_results": false,
      "last_update_posted_date": "2024-05-07",
      "last_synced_at": "2026-10-05T21:43:57.370Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03588286"
    },
    {
      "nct_id": "NCT00233441",
      "title": "Placebo Controlled Double-blind Dose Ranging Study of the Efficacy and Safety of SSR149744C 50, 100, 200 or 300 mg OD With Amiodarone as Calibrator for the Maintenance of Sinus Rhythm in Patients With Recent Atrial Fibrillation/Flutter",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter"
      ],
      "interventions": [
        {
          "name": "CELIVARONE (SSR149744C)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 673,
      "start_date": "2004-12",
      "completion_date": "2006-05",
      "has_results": false,
      "last_update_posted_date": "2012-05-08",
      "last_synced_at": "2026-10-05T21:43:57.370Z",
      "location_count": 1,
      "location_summary": "Bridgewater, New Jersey",
      "locations": [
        {
          "city": "Bridgewater",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00233441"
    },
    {
      "nct_id": "NCT03786822",
      "title": "Reduction of Radiation Dose and Contrast Use During Cryoballoon Pulmonary Vein Isolation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Cryoballoon Pulmonary Vein Isolation - PVI",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 1,
      "start_date": "2015-06-01",
      "completion_date": "2016-12-20",
      "has_results": false,
      "last_update_posted_date": "2018-12-26",
      "last_synced_at": "2026-10-05T21:43:57.370Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03786822"
    },
    {
      "nct_id": "NCT00904982",
      "title": "Randomized Trial of Interventions to Improve Warfarin Adherence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Deep Vein Thrombosis",
        "Dilated Cardiomyopathies"
      ],
      "interventions": [
        {
          "name": "Financial Incentive and Med-eMonitor",
          "type": "BEHAVIORAL"
        },
        {
          "name": "2Med-eMonitor",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DEVICE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 268,
      "start_date": "2009-10",
      "completion_date": "2013-12",
      "has_results": true,
      "last_update_posted_date": "2017-03-16",
      "last_synced_at": "2026-10-05T21:43:57.370Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00904982"
    },
    {
      "nct_id": "NCT01877486",
      "title": "PVI Using Cryoablation Alone in Paroxysmal AF Patients Converted From Persistent AF With Dofetilide",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Paroxysmal Atrial Fibrillation",
        "Persistent Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 0,
      "start_date": "2016-01",
      "completion_date": "2016-12",
      "has_results": false,
      "last_update_posted_date": "2016-10-04",
      "last_synced_at": "2026-10-05T21:43:57.370Z",
      "location_count": 1,
      "location_summary": "Ridgewood, New Jersey",
      "locations": [
        {
          "city": "Ridgewood",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01877486"
    },
    {
      "nct_id": "NCT07471308",
      "title": "P-wave Duration and Local Potential as Predictors of AF Recurrence Following Pulmonary Vein Isolation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation (AF)",
        "Atrial Fibrillation Patients Treated With the FARAPULSE™ PFA System",
        "Atrial Fibrillation (Paroxysmal)",
        "Pulmonary Vein Isolation"
      ],
      "interventions": [
        {
          "name": "AF Recurrence RIsk Assessment post pulmonary vein isolation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "CathVision ApS",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2026-04-13",
      "completion_date": "2026-09-15",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-05T21:43:57.370Z",
      "location_count": 1,
      "location_summary": "Paramus, New Jersey",
      "locations": [
        {
          "city": "Paramus",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07471308"
    },
    {
      "nct_id": "NCT00305214",
      "title": "MASTER II - Microvolt T Wave Alternans Testing for Risk Stratification of Post MI Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Myocardial Infarction",
        "Arrhythmia, Ventricular",
        "Ischemic Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "T Wave Alternans Test",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 405,
      "start_date": "2003-10",
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2008-02-13",
      "last_synced_at": "2026-10-05T21:43:57.370Z",
      "location_count": 47,
      "location_summary": "Mobile, Alabama • Phoenix, Arizona • Walnut Creek, California + 44 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00305214"
    },
    {
      "nct_id": "NCT04128878",
      "title": "Improvement in Endothelial Dysfunction After Initiation of Anti-arrhythmic Therapy in Atrial Fibrillation Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Sotalol",
          "type": "DRUG"
        },
        {
          "name": "Dofetilide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Samir Saba",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 12,
      "start_date": "2019-05-01",
      "completion_date": "2020-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-01-14",
      "last_synced_at": "2026-10-05T21:43:57.370Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04128878"
    },
    {
      "nct_id": "NCT06993038",
      "title": "Adenosine vs Diltiazem for Treatment of SVT in the ED",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Supraventricular Tachycardia (SVT)"
      ],
      "interventions": [
        {
          "name": "adenosine",
          "type": "DRUG"
        },
        {
          "name": "diltiazem",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Anne E. Zepeski",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 20,
      "start_date": "2025-08-01",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-05-28",
      "last_synced_at": "2026-10-05T21:43:57.370Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06993038"
    },
    {
      "nct_id": "NCT01117025",
      "title": "Combined Treatment of Resistant Hypertension and Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Hypertension, Resistant to Conventional Therapy",
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Circumferential PV isolation",
          "type": "PROCEDURE"
        },
        {
          "name": "Circumferential PVI+renal denervation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Meshalkin Research Institute of Pathology of Circulation",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 26,
      "start_date": "2010-04",
      "completion_date": "2012-04",
      "has_results": false,
      "last_update_posted_date": "2013-07-10",
      "last_synced_at": "2026-10-05T21:43:57.370Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01117025"
    }
  ]
}