{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Fibrillation",
    "query": {
      "condition": "Fibrillation"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 1081,
    "total_pages": 109,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Fibrillation&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T20:25:31.784Z",
  "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": "NCT01258231",
      "title": "Identification of Genomic Predictors of Adverse Events After Cardiac Surgery",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart; Dysfunction Postoperative, Cardiac Surgery",
        "Genetic Predisposition to Disease",
        "Atrial Fibrillation",
        "Myocardial Infarction",
        "Heart Failure"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "20 Years to 90 Years"
      },
      "enrollment_count": 4000,
      "start_date": "2000-08",
      "completion_date": "2030-08",
      "has_results": false,
      "last_update_posted_date": "2024-08-22",
      "last_synced_at": "2026-07-23T20:25:31.784Z",
      "location_count": 3,
      "location_summary": "Boston, Massachusetts • Dallas, Texas • Houston, Texas",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01258231"
    },
    {
      "nct_id": "NCT04947657",
      "title": "The CoAGulation Biomarkers and Atrial Fibrillation (COAG-AF) Pilot Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Tulane University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 20,
      "start_date": "2021-09-22",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-05",
      "last_synced_at": "2026-07-23T20:25:31.784Z",
      "location_count": 3,
      "location_summary": "New Orleans, Louisiana",
      "locations": [
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04947657"
    },
    {
      "nct_id": "NCT00267930",
      "title": "Study of RSD1235-SR for the Prevention of Atrial Fibrillation/Atrial Flutter Recurrence",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Vernakalant (oral)",
          "type": "DRUG"
        },
        {
          "name": "Placebo comparator",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Advanz Pharma",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 221,
      "start_date": "2005-12",
      "completion_date": "2006-08",
      "has_results": false,
      "last_update_posted_date": "2008-12-18",
      "last_synced_at": "2026-07-23T20:25:31.784Z",
      "location_count": 4,
      "location_summary": "Huntsville, Alabama • Walnut Creek, California • Hershey, Pennsylvania + 1 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Hershey",
          "state": "Pennsylvania"
        },
        {
          "city": "Marshfield",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00267930"
    },
    {
      "nct_id": "NCT00818012",
      "title": "Atrial Electromechanical Interval and Pulse Wave Velocity in the Prediction of Recurrence of Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Creighton University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "19 Years and older"
      },
      "enrollment_count": 129,
      "start_date": "2008-08",
      "completion_date": "2013-06",
      "has_results": false,
      "last_update_posted_date": "2014-08-12",
      "last_synced_at": "2026-07-23T20:25:31.784Z",
      "location_count": 1,
      "location_summary": "Omaha, Nebraska",
      "locations": [
        {
          "city": "Omaha",
          "state": "Nebraska"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00818012"
    },
    {
      "nct_id": "NCT01597557",
      "title": "Intravenous Magnesium Infusion in Patients Undergoing Cardioversion of Atrial Fibrillation Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Magnesium Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "State University of New York at Buffalo",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 261,
      "start_date": "2012-04",
      "completion_date": "2014-02",
      "has_results": true,
      "last_update_posted_date": "2020-10-22",
      "last_synced_at": "2026-07-23T20:25:31.784Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01597557"
    },
    {
      "nct_id": "NCT00627328",
      "title": "The Atrial High Rate Episodes in Pacemaker Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Arrhythmia",
        "Atrial Fibrillation",
        "Atrioventricular Block",
        "Bradycardia",
        "Sick Sinus Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "50 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "50 Years and older"
      },
      "enrollment_count": 427,
      "start_date": "2000-07",
      "completion_date": "2004-09",
      "has_results": false,
      "last_update_posted_date": "2008-03-03",
      "last_synced_at": "2026-07-23T20:25:31.784Z",
      "location_count": 37,
      "location_summary": "Hot Springs, Arkansas • Little Rock, Arkansas • Fresno, California + 34 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Fresno",
          "state": "California"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00627328"
    },
    {
      "nct_id": "NCT00284830",
      "title": "SAVEPACe - Search AV Extension and Managed Ventricular Pacing for Promoting Atrio-Ventricular Conduction",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Sick Sinus Syndrome",
        "Heart Failure, Congestive",
        "Atrial Fibrillation",
        "Bradycardia",
        "Ventricular Dysfunction"
      ],
      "interventions": [
        {
          "name": "Implantable Pulse Generators",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 1070,
      "start_date": "2003-01",
      "completion_date": "2008-02",
      "has_results": false,
      "last_update_posted_date": "2008-02-29",
      "last_synced_at": "2026-07-23T20:25:31.784Z",
      "location_count": 63,
      "location_summary": "Phoenix, Arizona • Scottsdale, Arizona • Conway, Arkansas + 60 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Conway",
          "state": "Arkansas"
        },
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00284830"
    },
    {
      "nct_id": "NCT01956487",
      "title": "Bioequivalence of RYTHMOL SR® Manufactured at Two Different Sites",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Arrhythmia, Cardiac"
      ],
      "interventions": [
        {
          "name": "Propafenone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "GlaxoSmithKline",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 38,
      "start_date": "2012-04-11",
      "completion_date": "2012-06-27",
      "has_results": false,
      "last_update_posted_date": "2017-06-12",
      "last_synced_at": "2026-07-23T20:25:31.784Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01956487"
    },
    {
      "nct_id": "NCT00403767",
      "title": "An Efficacy and Safety Study of Rivaroxaban With Warfarin for the Prevention of Stroke and Non-Central Nervous System Systemic Embolism in Patients With Non-Valvular Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Stroke",
        "Embolism"
      ],
      "interventions": [
        {
          "name": "Rivaroxaban",
          "type": "DRUG"
        },
        {
          "name": "Warfarin",
          "type": "DRUG"
        },
        {
          "name": "Matching placebo for Rivaroxaban arm (Warfarin placebo)",
          "type": "DRUG"
        },
        {
          "name": "Matching placebo for Warfarin arm (Rivaroxaban placebo)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Johnson & Johnson Pharmaceutical Research & Development, L.L.C.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 14269,
      "start_date": "2006-12",
      "completion_date": "2010-09",
      "has_results": true,
      "last_update_posted_date": "2014-04-29",
      "last_synced_at": "2026-07-23T20:25:31.784Z",
      "location_count": 295,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Geneva, Alabama + 292 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Geneva",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Pell City",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00403767"
    },
    {
      "nct_id": "NCT04115436",
      "title": "Association of Genetic Variants With Risk of Stroke in Patients With Atrial Fibrillation Off-anticoagulation",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Thromboembolic Events"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Texas Cardiac Arrhythmia Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 40,
      "start_date": "2019-10-01",
      "completion_date": "2020-10-01",
      "has_results": false,
      "last_update_posted_date": "2019-10-17",
      "last_synced_at": "2026-07-23T20:25:31.784Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04115436"
    }
  ]
}