{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Irregular+Heart+Beat",
    "query": {
      "condition": "Irregular Heart Beat"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1583,
    "total_pages": 159,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Irregular+Heart+Beat&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-24T20:56:53.310Z",
  "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": "NCT01996943",
      "title": "The HOLIDAY (HOw ALcohol InDuces Atrial TachYarrhythmias) Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Alcohol"
      ],
      "interventions": [
        {
          "name": "Ethanol",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "81 Years",
        "sex": "ALL",
        "summary": "21 Years to 81 Years"
      },
      "enrollment_count": 100,
      "start_date": "2012-09",
      "completion_date": "2020-05",
      "has_results": true,
      "last_update_posted_date": "2021-03-16",
      "last_synced_at": "2026-07-24T20:56:53.310Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01996943"
    },
    {
      "nct_id": "NCT00142194",
      "title": "Markers of Oxidative Stress Present in Blood in Patients With Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Inflammation",
        "Atrial Flutter"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 47,
      "start_date": "2005-06",
      "completion_date": "2007-11",
      "has_results": false,
      "last_update_posted_date": "2013-09-27",
      "last_synced_at": "2026-07-24T20:56:53.310Z",
      "location_count": 2,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00142194"
    },
    {
      "nct_id": "NCT06055751",
      "title": "Long Term Evaluation of Cardiac Arrhythmias After Transcatheter Aortic Valve Implantation -The LOCATE Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Aortic Stenosis",
        "Atrial Fibrillation New Onset",
        "Heart Block"
      ],
      "interventions": [
        {
          "name": "TAVR Procedure and implantation of Boston Scientific Loop Recorder (LUX-Dx PMA# K193473)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Kansas City Heart Rhythm Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 50,
      "start_date": "2023-09-22",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2024-10-16",
      "last_synced_at": "2026-07-24T20:56:53.310Z",
      "location_count": 2,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        },
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06055751"
    },
    {
      "nct_id": "NCT06676072",
      "title": "A Study of the TactiFlex SE Catheter and Volt PFA Generator in Subjects With PAF:",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation (AF)",
        "Atrial Arrhythmia",
        "Paroxysmal AF",
        "Drug Refractory Paroxysmal Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "PFA Ablation catheter",
          "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": 188,
      "start_date": "2024-11-22",
      "completion_date": "2026-04-13",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-07-24T20:56:53.310Z",
      "location_count": 29,
      "location_summary": "Scottsdale, Arizona • Little Rock, Arkansas • Stanford, California + 24 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06676072"
    },
    {
      "nct_id": "NCT02939469",
      "title": "Skin Sympathetic Nerve Activity and Cardiac Arrhythmias",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sympathetic Nerve Activity"
      ],
      "interventions": [
        {
          "name": "Physiologic maneuvers",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Cedars-Sinai Medical Center",
      "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": 0,
      "start_date": "2016-11-01",
      "completion_date": "2018-11-01",
      "has_results": false,
      "last_update_posted_date": "2019-06-14",
      "last_synced_at": "2026-07-24T20:56:53.310Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02939469"
    },
    {
      "nct_id": "NCT01680757",
      "title": "Study of Left Atrial Appendage Closure in Patients With Atrial Fibrillation - III",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "LARIAT Suture Delivery Device and Accessories",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2012-09",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2013-02-25",
      "last_synced_at": "2026-07-24T20:56:53.310Z",
      "location_count": 10,
      "location_summary": "Phoenix, Arizona • San Diego, California • San Francisco, California + 6 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Kansas City",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01680757"
    },
    {
      "nct_id": "NCT04198701",
      "title": "Pulsed Field Ablation to Irreversibly Electroporate Tissue and Treat AF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Medtronic PulseSelect Pulsed Field Ablation (PFA) System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic Cardiac Ablation Solutions",
      "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": 421,
      "start_date": "2019-12-10",
      "completion_date": "2022-11-28",
      "has_results": true,
      "last_update_posted_date": "2025-02-13",
      "last_synced_at": "2026-07-24T20:56:53.310Z",
      "location_count": 27,
      "location_summary": "Birmingham, Alabama • Loveland, Colorado • Washington D.C., District of Columbia + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Loveland",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04198701"
    },
    {
      "nct_id": "NCT04239534",
      "title": "CONVERGE CAP Study-For The Treatment Of Symptomatic Persistent or Long-standing Persistent AF",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Convergence Of Epicardial And Endocardial RF Ablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "AtriCure, Inc.",
      "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": 0,
      "start_date": "2021-12",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2022-07-27",
      "last_synced_at": "2026-07-24T20:56:53.310Z",
      "location_count": 8,
      "location_summary": "Birmingham, Alabama • Huntsville, Alabama • Washington D.C., District of Columbia + 5 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Palm Beach Gardens",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04239534"
    },
    {
      "nct_id": "NCT03490201",
      "title": "FLExAbility Sensor Enabled Substrate Targeted Ablation for the Reduction of VT Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "Market Approved RF Ablation System",
          "type": "DEVICE"
        },
        {
          "name": "FlexAbility SE Ablation Catheter",
          "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": 592,
      "start_date": "2018-06-01",
      "completion_date": "2024-04-11",
      "has_results": false,
      "last_update_posted_date": "2025-01-08",
      "last_synced_at": "2026-07-24T20:56:53.310Z",
      "location_count": 23,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Diego, California + 18 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03490201"
    },
    {
      "nct_id": "NCT06635863",
      "title": "Comparing Immune System Suppression to Medication for Unexplained Heart Function and Irregular Heartbeat",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ventricular Arrythmia",
        "Non-ischemic Cardiomyopathy",
        "Arrhythmogenic Inflammatory Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Prednisone 40mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Roderick Tung",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2024-11-01",
      "completion_date": "2027-10",
      "has_results": false,
      "last_update_posted_date": "2024-12-05",
      "last_synced_at": "2026-07-24T20:56:53.310Z",
      "location_count": 1,
      "location_summary": "Phoenix, Arizona",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06635863"
    }
  ]
}