{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Fibrillation&page=4",
    "query": {
      "condition": "Fibrillation",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 1096,
    "total_pages": 110,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Fibrillation&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Fibrillation&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-27T05:28:37.497Z",
  "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": "NCT04160000",
      "title": "Treatment Of Atrial Fibrillation In Preserved Cardiac Function Heart Failure",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Heart Failure",
        "Diastolic Heart Failure"
      ],
      "interventions": [
        {
          "name": "Catheter ablation",
          "type": "DEVICE"
        },
        {
          "name": "Rate or Rhythm control antiarrhythmic drugs for atrial fibrillation",
          "type": "DRUG"
        },
        {
          "name": "Insertion of CardioMems Hemodynamic monitor",
          "type": "DEVICE"
        },
        {
          "name": "Empiric heart failure drug therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Electrophysiology Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 360,
      "start_date": "2020-07-26",
      "completion_date": "2025-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-05-23",
      "last_synced_at": "2026-10-27T05:28:37.497Z",
      "location_count": 7,
      "location_summary": "Flagstaff, Arizona • Jonesboro, Arkansas • Littleton, Colorado + 4 more",
      "locations": [
        {
          "city": "Flagstaff",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Overland",
          "state": "Missouri"
        },
        {
          "city": "Warren Township",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04160000"
    },
    {
      "nct_id": "NCT07227532",
      "title": "A Study Assessing Long-Term Safety and Effectiveness in Treatment Management of Atrial Fibrillation With VARIPULSE Catheter System",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Pulsed Field Ablation by VARIPULSE Catheter with TRUPULSE Generator",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Biosense Webster, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 276,
      "start_date": "2025-10-21",
      "completion_date": "2030-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-30",
      "last_synced_at": "2026-10-27T05:28:37.497Z",
      "location_count": 23,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Fountain Valley, California + 20 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Ventura",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07227532"
    },
    {
      "nct_id": "NCT00446966",
      "title": "Fish Oil for Reduction of Atrial Fibrillation After Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Omega Three Polyunsaturated fatty acids",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Chirag Sandesara",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 260,
      "start_date": "2007-02",
      "completion_date": "2010-01",
      "has_results": true,
      "last_update_posted_date": "2018-10-10",
      "last_synced_at": "2026-10-27T05:28:37.497Z",
      "location_count": 1,
      "location_summary": "Iowa City, Iowa",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00446966"
    },
    {
      "nct_id": "NCT06245187",
      "title": "Get With the Guidelines Atrial Fibrillation Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter"
      ],
      "interventions": [
        {
          "name": "GWTG Atrial Fibrillation program",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "American Heart Association",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "125 Years",
        "sex": "ALL",
        "summary": "18 Years to 125 Years"
      },
      "enrollment_count": 17198,
      "start_date": "2013-01",
      "completion_date": "2040-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-29",
      "last_synced_at": "2026-10-27T05:28:37.497Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06245187"
    },
    {
      "nct_id": "NCT06486636",
      "title": "Pericardiotomy in Cardiac Surgery",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter",
        "Cardiac Events"
      ],
      "interventions": [
        {
          "name": "Left Posterior Pericardiotomy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Population Health Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1400,
      "start_date": "2024-10-21",
      "completion_date": "2031-09-01",
      "has_results": false,
      "last_update_posted_date": "2026-10-21",
      "last_synced_at": "2026-10-27T05:28:37.497Z",
      "location_count": 3,
      "location_summary": "Louisville, Kentucky • New York, New York • Houston, Texas",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06486636"
    },
    {
      "nct_id": "NCT03943693",
      "title": "Dual Versus Single Shock for Cardioversion of Atrial Fibrillation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Double shock",
          "type": "DEVICE"
        },
        {
          "name": "Single shock",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Oklahoma",
      "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": 5,
      "start_date": "2019-04-01",
      "completion_date": "2021-05-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-10-27T05:28:37.497Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03943693"
    },
    {
      "nct_id": "NCT01638897",
      "title": "DF4 Connector System Post-Approval Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Tachycardia",
        "Ventricular Fibrillation",
        "Sudden Cardiac Death",
        "Heart Failure"
      ],
      "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": 1778,
      "start_date": "2012-01",
      "completion_date": "2019-03",
      "has_results": false,
      "last_update_posted_date": "2019-03-20",
      "last_synced_at": "2026-10-27T05:28:37.497Z",
      "location_count": 72,
      "location_summary": "Birmingham, Alabama • Anchorage, Alaska • Gilbert, Arizona + 69 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Gilbert",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01638897"
    },
    {
      "nct_id": "NCT02293070",
      "title": "One More Magnetic Resonance Imaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Delayed Enhanced Cardiac Magnetic Resonance Imaging",
          "type": "OTHER"
        },
        {
          "name": "Cryoablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "OTHER",
        "PROCEDURE"
      ],
      "sponsor": "Saint Luke's Health System",
      "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": 32,
      "start_date": "2013-12",
      "completion_date": "2017-01",
      "has_results": false,
      "last_update_posted_date": "2017-03-01",
      "last_synced_at": "2026-10-27T05:28:37.497Z",
      "location_count": 1,
      "location_summary": "Kansas City, Missouri",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02293070"
    },
    {
      "nct_id": "NCT01590979",
      "title": "Randomized Double Blind Control Trial on Effects of Ranolazine on New Onset Atrial Fibrillation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation New Onset",
        "Hemorrhage",
        "Prolonged QTc Interval",
        "Ventricular Tachycardia",
        "Medical Care; Complications, Late Effect of Complications"
      ],
      "interventions": [
        {
          "name": "Ranolazine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 54,
      "start_date": "2012-04",
      "completion_date": "2015-06",
      "has_results": true,
      "last_update_posted_date": "2017-03-23",
      "last_synced_at": "2026-10-27T05:28:37.497Z",
      "location_count": 1,
      "location_summary": "Staten Island, New York",
      "locations": [
        {
          "city": "Staten Island",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01590979"
    },
    {
      "nct_id": "NCT01103661",
      "title": "Safety and Efficacy Study of The Combined Ablation Procedure To Treat Longstanding Persistent Atrial Fibrillation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Numeris®-AF Guided Coagulation System with VisiTrax®",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "nContact Surgical 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": 7,
      "start_date": "2010-04",
      "completion_date": "2013-04",
      "has_results": false,
      "last_update_posted_date": "2014-04-03",
      "last_synced_at": "2026-10-27T05:28:37.497Z",
      "location_count": 4,
      "location_summary": "Indianapolis, Indiana • Memphis, Tennessee • Austin, Texas + 1 more",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        },
        {
          "city": "Memphis",
          "state": "Tennessee"
        },
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01103661"
    }
  ]
}