{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Atrial+Flutter&page=4",
    "query": {
      "condition": "Atrial Flutter",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 97,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Atrial+Flutter&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Atrial+Flutter&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-21T08:02:39.722Z",
  "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": "NCT04658940",
      "title": "AcQBlate Force Sensing Ablation System US IDE for Atrial Flutter (AcQForce Flutter)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Typical Atrial Flutter"
      ],
      "interventions": [
        {
          "name": "AcQBlate® Force Sensing Ablation System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Acutus Medical",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 115,
      "start_date": "2021-03-25",
      "completion_date": "2022-06-12",
      "has_results": true,
      "last_update_posted_date": "2023-09-28",
      "last_synced_at": "2026-10-21T08:02:39.722Z",
      "location_count": 20,
      "location_summary": "Phoenix, Arizona • Jonesboro, Arkansas • Concord, California + 16 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Concord",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Hartford",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04658940"
    },
    {
      "nct_id": "NCT04438395",
      "title": "Dielectric Tissue Imaging in Cavotricuspid Isthmus Ablation",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation and Flutter"
      ],
      "interventions": [
        {
          "name": "Cardiac ablation via catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "EPD Solutions, A Philips Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 30,
      "start_date": "2020-07-20",
      "completion_date": "2022-06-30",
      "has_results": false,
      "last_update_posted_date": "2022-05-06",
      "last_synced_at": "2026-10-21T08:02:39.722Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04438395"
    },
    {
      "nct_id": "NCT03929718",
      "title": "Efficacy of Aldosterone Antagonist Therapy for Prevention of New Atrial Fibrillation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "AFib"
      ],
      "interventions": [
        {
          "name": "Spironolactone",
          "type": "DRUG"
        },
        {
          "name": "No Spironolactone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Piedmont Healthcare",
      "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": "2019-04-24",
      "completion_date": "2027-09",
      "has_results": false,
      "last_update_posted_date": "2025-05-29",
      "last_synced_at": "2026-10-21T08:02:39.722Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03929718"
    },
    {
      "nct_id": "NCT00125320",
      "title": "Response to RSD1235 Compared to Placebo in Subjects With Atrial Arrhythmia After Heart Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter"
      ],
      "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": 190,
      "start_date": "2004-06",
      "completion_date": "2007-02",
      "has_results": false,
      "last_update_posted_date": "2007-12-24",
      "last_synced_at": "2026-10-21T08:02:39.722Z",
      "location_count": 2,
      "location_summary": "Fort Lauderdale, Florida • Atlanta, Georgia",
      "locations": [
        {
          "city": "Fort Lauderdale",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00125320"
    },
    {
      "nct_id": "NCT05009225",
      "title": "Clinical Decision Support for Atrial Fibrillation and Flutter",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation and Flutter"
      ],
      "interventions": [
        {
          "name": "Comprehensive ED AF management tool",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kaiser Permanente",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4000,
      "start_date": "2021-10-01",
      "completion_date": "2024-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-03-06",
      "last_synced_at": "2026-10-21T08:02:39.722Z",
      "location_count": 16,
      "location_summary": "Antioch, California • Fremont, California • Manteca, California + 12 more",
      "locations": [
        {
          "city": "Antioch",
          "state": "California"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Manteca",
          "state": "California"
        },
        {
          "city": "Modesto",
          "state": "California"
        },
        {
          "city": "Oakland",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05009225"
    },
    {
      "nct_id": "NCT00953212",
      "title": "Prophylaxis to Reduce Postoperative Atrial Fibrillation in Cardiac Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter"
      ],
      "interventions": [
        {
          "name": "beta blockers",
          "type": "DRUG"
        },
        {
          "name": "amiodarone",
          "type": "DRUG"
        },
        {
          "name": "ascorbic acid",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "MaineHealth",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 304,
      "start_date": "2009-08",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2018-04-26",
      "last_synced_at": "2026-10-21T08:02:39.722Z",
      "location_count": 1,
      "location_summary": "Portland, Maine",
      "locations": [
        {
          "city": "Portland",
          "state": "Maine"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00953212"
    },
    {
      "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": "2026-10-21T08:02:39.722Z",
      "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": "NCT02624765",
      "title": "Prospective Randomized Clinical Trial of Fetal Atrial Flutter & Supraventricular Tachycardia Therapy (FAST RCT)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Fetal Atrial Flutter Without Hydrops",
        "Fetal Supraventricular Tachycardia Without Hydrops",
        "Fetal Supraventricular Tachycardia With Hydrops"
      ],
      "interventions": [
        {
          "name": "Digoxin (monotherapy)",
          "type": "DRUG"
        },
        {
          "name": "Sotalol (monotherapy)",
          "type": "DRUG"
        },
        {
          "name": "Flecainide (monotherapy)",
          "type": "DRUG"
        },
        {
          "name": "Digoxin (dual therapy)",
          "type": "DRUG"
        },
        {
          "name": "Sotalol (dual therapy)",
          "type": "DRUG"
        },
        {
          "name": "Flecainide (dual therapy)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Edgar Jaeggi",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "50 Years",
        "sex": "FEMALE",
        "summary": "16 Years to 50 Years · Female only"
      },
      "enrollment_count": 105,
      "start_date": "2016-02",
      "completion_date": "2024-03-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-22",
      "last_synced_at": "2026-10-21T08:02:39.722Z",
      "location_count": 12,
      "location_summary": "San Francisco, California • Aurora, Colorado • Washington D.C., District of Columbia + 8 more",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02624765"
    },
    {
      "nct_id": "NCT04632641",
      "title": "Suture Closure AFtEr VEIN Access for Cardiac Procedures (SAFE-VEIN) Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter",
        "Heart Block",
        "Pulmonary Embolism and Thrombosis",
        "Mitral Valve Repair",
        "Sinus Node Dysfunction",
        "Bradycardia",
        "Brady-tachy Syndrome"
      ],
      "interventions": [
        {
          "name": "Perclose ProGlide Suture-Mediated Closure System (SMC) - LARGE-BORE PROCEDURES",
          "type": "DEVICE"
        },
        {
          "name": "Figure 8 Suture - LARGE-BORE PROCEDURES",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Wake Forest University Health Sciences",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 107,
      "start_date": "2021-04-23",
      "completion_date": "2023-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-10-03",
      "last_synced_at": "2026-10-21T08:02:39.722Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04632641"
    },
    {
      "nct_id": "NCT03335800",
      "title": "Apple Heart Study: Assessment of Wristwatch-Based Photoplethysmography to Identify Cardiac Arrhythmias",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Arrhythmias, Cardiac",
        "Atrial Flutter"
      ],
      "interventions": [
        {
          "name": "Apple Heart Study App",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Apple Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 419927,
      "start_date": "2017-11-29",
      "completion_date": "2019-02-21",
      "has_results": true,
      "last_update_posted_date": "2020-03-30",
      "last_synced_at": "2026-10-21T08:02:39.722Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03335800"
    }
  ]
}