{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arrhythmia",
    "query": {
      "condition": "Arrhythmia"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1567,
    "total_pages": 157,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Arrhythmia&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:36:42.142Z",
  "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": "NCT02969395",
      "title": "3T MRI CIED Post-Approval Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Rhythm Disorder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medtronic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 41,
      "start_date": "2016-04",
      "completion_date": "2021-10-15",
      "has_results": false,
      "last_update_posted_date": "2022-08-22",
      "last_synced_at": "2026-05-22T05:36:42.142Z",
      "location_count": 118,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Chandler, Arizona + 115 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02969395"
    },
    {
      "nct_id": "NCT03683030",
      "title": "Safety and Effectiveness Evaluation of the Multi-Electrode Radiofrequency Balloon Catheter for the Treatment of Symptomatic Paroxysmal Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Multi-Electrode RF Balloon Catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Biosense Webster, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 397,
      "start_date": "2018-10-22",
      "completion_date": "2022-02-18",
      "has_results": true,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-05-22T05:36:42.142Z",
      "location_count": 37,
      "location_summary": "Phoenix, Arizona • Los Angeles, California • Newport Beach, California + 32 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03683030"
    },
    {
      "nct_id": "NCT04186169",
      "title": "Peri-Atrial Inflammatory Fat and Atrial Fibrillation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Catheter ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Johns Hopkins University",
      "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": 4,
      "start_date": "2021-02-19",
      "completion_date": "2024-11-12",
      "has_results": false,
      "last_update_posted_date": "2024-11-20",
      "last_synced_at": "2026-05-22T05:36:42.142Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04186169"
    },
    {
      "nct_id": "NCT00510029",
      "title": "Single Ascending Dose Study of the Safety, Tolerability, and Pharmacokinetics of GAP-134 Administered Intravenously",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "GAP-134",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Wyeth is now a wholly owned subsidiary of Pfizer",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 72,
      "start_date": "2007-09",
      "completion_date": "2008-01",
      "has_results": false,
      "last_update_posted_date": "2008-03-13",
      "last_synced_at": "2026-05-22T05:36:42.142Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00510029"
    },
    {
      "nct_id": "NCT05844501",
      "title": "Ondansetron for the Management of Atrial Fibrillation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Ondansetron 8mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Indiana University",
      "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": 80,
      "start_date": "2025-04-22",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-05-22T05:36:42.142Z",
      "location_count": 3,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05844501"
    },
    {
      "nct_id": "NCT02488681",
      "title": "Micra Transcatheter Pacing System Continued Access Study Protocol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bradycardia"
      ],
      "interventions": [
        {
          "name": "Micra Pacemaker Implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Medtronic",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 285,
      "start_date": "2015-06",
      "completion_date": "2016-07",
      "has_results": true,
      "last_update_posted_date": "2018-04-12",
      "last_synced_at": "2026-05-22T05:36:42.142Z",
      "location_count": 29,
      "location_summary": "Los Angeles, California • New Haven, Connecticut • Jacksonville, Florida + 25 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02488681"
    },
    {
      "nct_id": "NCT02699957",
      "title": "Left Atrial Appendage Occlusion Registry (LAAO Registry)",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Left Atrial Appendage Occlusion",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "American College of Cardiology",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3000,
      "start_date": "2015-12",
      "completion_date": "2026-01",
      "has_results": false,
      "last_update_posted_date": "2024-04-18",
      "last_synced_at": "2026-05-22T05:36:42.142Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02699957"
    },
    {
      "nct_id": "NCT00779857",
      "title": "AtriCure Exclusion of the LAA in Patients Undergoing Concomitant Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Left Atrial Appendage Exclusion"
      ],
      "interventions": [
        {
          "name": "AtriCure LAA Exclusion System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "AtriCure, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2008-09",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2013-06-04",
      "last_synced_at": "2026-05-22T05:36:42.142Z",
      "location_count": 7,
      "location_summary": "Macon, Georgia • Indianapolis, Indiana • Grand Rapids, Michigan + 4 more",
      "locations": [
        {
          "city": "Macon",
          "state": "Georgia"
        },
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Grand Rapids",
          "state": "Michigan"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00779857"
    },
    {
      "nct_id": "NCT07023666",
      "title": "Early Screening and Treatment of Heart Complication in Sickle Cell Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Sickle Cell Disease"
      ],
      "interventions": [
        {
          "name": "Deferoxamine",
          "type": "DRUG"
        },
        {
          "name": "Deferasirox",
          "type": "DRUG"
        },
        {
          "name": "Deferiprone",
          "type": "DRUG"
        },
        {
          "name": "Echocardiography",
          "type": "DEVICE"
        },
        {
          "name": "Electrocardiogram (ECG)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Inova Health Care Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2025-10-07",
      "completion_date": "2027-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-14",
      "last_synced_at": "2026-05-22T05:36:42.142Z",
      "location_count": 2,
      "location_summary": "Fairfax, Virginia • Falls Church, Virginia",
      "locations": [
        {
          "city": "Fairfax",
          "state": "Virginia"
        },
        {
          "city": "Falls Church",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07023666"
    },
    {
      "nct_id": "NCT03242720",
      "title": "Effects of PAP on Afib Recurrence Risk After Catheter Ablation in OSA Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Obstructive Sleep Apnea",
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Cardiac Ablation for Atrial Fibrillation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-01-01",
      "completion_date": "2020-12",
      "has_results": false,
      "last_update_posted_date": "2022-05-24",
      "last_synced_at": "2026-05-22T05:36:42.142Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03242720"
    }
  ]
}