{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Arrhythmias&page=5",
    "query": {
      "condition": "Cardiac Arrhythmias",
      "page": 5
    },
    "page_size": 10
  },
  "pagination": {
    "page": 5,
    "page_size": 10,
    "total_count": 1571,
    "total_pages": 158,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Arrhythmias&page=6&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Cardiac+Arrhythmias&page=4&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-06T08:04:24.905Z",
  "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": "NCT01253200",
      "title": "Clinical Evaluation of the Blazer® Open-Irrigated Catheter for Treatment of Type 1 Atrial Flutter",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Flutter"
      ],
      "interventions": [
        {
          "name": "Blazer® Open-Irrigated Ablation Catheter",
          "type": "DEVICE"
        },
        {
          "name": "Control Catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 302,
      "start_date": "2011-01",
      "completion_date": "2014-01",
      "has_results": true,
      "last_update_posted_date": "2018-03-19",
      "last_synced_at": "2026-10-06T08:04:24.905Z",
      "location_count": 26,
      "location_summary": "Birmingham, Alabama • Fullerton, California • Sacramento, California + 21 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01253200"
    },
    {
      "nct_id": "NCT00418314",
      "title": "FREEDOM - A Frequent Optimization Study Using the QuickOpt Method",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Arrhythmias",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Control",
          "type": "DEVICE"
        },
        {
          "name": "QuickOpt",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1647,
      "start_date": "2006-10",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2019-02-19",
      "last_synced_at": "2026-10-06T08:04:24.905Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California • Columbus, Ohio",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00418314"
    },
    {
      "nct_id": "NCT04904809",
      "title": "Perclose Multi-Access Duplex Ultrasound (DUS) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Perclose ProGlide SMC System and/or Perclose ProStyle SMCR System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abbott Medical Devices",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 36,
      "start_date": "2021-09-01",
      "completion_date": "2022-05-27",
      "has_results": true,
      "last_update_posted_date": "2023-07-20",
      "last_synced_at": "2026-10-06T08:04:24.905Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia • Kansas City, Missouri",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04904809"
    },
    {
      "nct_id": "NCT03508271",
      "title": "Effectiveness of Oral Anticoagulants in Elderly Patients With Non-Valvular Atrial Fibrillation and Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Non-Interventional",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Bristol-Myers Squibb",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 60000,
      "start_date": "2017-11-30",
      "completion_date": "2018-11-08",
      "has_results": false,
      "last_update_posted_date": "2019-01-04",
      "last_synced_at": "2026-10-06T08:04:24.905Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03508271"
    },
    {
      "nct_id": "NCT03148392",
      "title": "Assess Differences in Pain Following Cryo and Radiofrequency Atrial Fibrillation Ablation",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Sumit Verma, MD",
      "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": 100,
      "start_date": "2017-05-16",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-08-28",
      "last_synced_at": "2026-10-06T08:04:24.905Z",
      "location_count": 1,
      "location_summary": "Pensacola, Florida",
      "locations": [
        {
          "city": "Pensacola",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03148392"
    },
    {
      "nct_id": "NCT03691571",
      "title": "Esophageal Cooling for AF Ablation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Esophageal Cooling",
          "type": "DEVICE"
        },
        {
          "name": "Control",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "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": 55,
      "start_date": "2018-10-11",
      "completion_date": "2021-02-28",
      "has_results": true,
      "last_update_posted_date": "2022-10-05",
      "last_synced_at": "2026-10-06T08:04:24.905Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03691571"
    },
    {
      "nct_id": "NCT04359004",
      "title": "A Study to Evaluate the Effect of Vagus Nerve Stimulation in Patients Undergoing VT Ablation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arrhythmia",
        "Ventricular Tachycardia (VT)"
      ],
      "interventions": [
        {
          "name": "Vagus Nerve Stimulation (VNS)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 5,
      "start_date": "2020-12-08",
      "completion_date": "2023-10-30",
      "has_results": false,
      "last_update_posted_date": "2023-11-13",
      "last_synced_at": "2026-10-06T08:04:24.905Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04359004"
    },
    {
      "nct_id": "NCT00390546",
      "title": "Multicenter Study of Antiarrhythmic Medications for Treatment of Infants With Supraventricular Tachycardia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Supraventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "Digoxin",
          "type": "DRUG"
        },
        {
          "name": "Propranolol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of British Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "4 Months",
        "sex": "ALL",
        "summary": "Up to 4 Months"
      },
      "enrollment_count": 72,
      "start_date": "2006-10",
      "completion_date": "2011-08",
      "has_results": true,
      "last_update_posted_date": "2017-12-13",
      "last_synced_at": "2026-10-06T08:04:24.905Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • Orange, California • Kansas City, Missouri + 7 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Orange",
          "state": "California"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "New Hyde Park",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00390546"
    },
    {
      "nct_id": "NCT00281554",
      "title": "Study of RSD1235 to Evaluate Safety in Patients With Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "RSD1235",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 254,
      "start_date": "2005-10",
      "completion_date": "2007-01",
      "has_results": false,
      "last_update_posted_date": "2008-04-03",
      "last_synced_at": "2026-10-06T08:04:24.905Z",
      "location_count": 10,
      "location_summary": "Huntsville, Alabama • Atlanta, Georgia • Chicago, Illinois + 7 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Oak Lawn",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00281554"
    },
    {
      "nct_id": "NCT00402246",
      "title": "CONNECT Study - Clinical Evaluation Of Remote NotificatioN to rEduCe Time to Clinical Decision",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arrhythmia",
        "Tachycardia",
        "Atrial Fibrillation",
        "Ventricular Fibrillation"
      ],
      "interventions": [
        {
          "name": "Remote Management",
          "type": "OTHER"
        },
        {
          "name": "In-Office Care",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2009,
      "start_date": "2006-11",
      "completion_date": "2009-09",
      "has_results": true,
      "last_update_posted_date": "2011-02-25",
      "last_synced_at": "2026-10-06T08:04:24.905Z",
      "location_count": 127,
      "location_summary": "Mobile, Alabama • Mesa, Arizona • Scottsdale, Arizona + 124 more",
      "locations": [
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fort Smith",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00402246"
    }
  ]
}