{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ventricular+Flutter",
    "query": {
      "condition": "Ventricular Flutter"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 13,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ventricular+Flutter&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-07-23T18:17:14.547Z",
  "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": "NCT01914926",
      "title": "Comparison of Diltiazem and Metoprolol in the Management of Acute Atrial Fibrillation or Atrial Flutter",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Rate and Rhythm Disorders"
      ],
      "interventions": [
        {
          "name": "Metoprolol",
          "type": "DRUG"
        },
        {
          "name": "Diltiazem",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Antonios Likourezos",
      "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": "2009-06",
      "completion_date": "2010-11",
      "has_results": true,
      "last_update_posted_date": "2014-05-15",
      "last_synced_at": "2026-07-23T18:17:14.547Z",
      "location_count": 1,
      "location_summary": "Brooklyn, New York",
      "locations": [
        {
          "city": "Brooklyn",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01914926"
    },
    {
      "nct_id": "NCT05661942",
      "title": "Diltiazem in the Treatment of Atrial Fibrillation or Atrial Flutter With Rapid Ventricular Rate",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation With Rapid Ventricular Response",
        "Hypotension Drug-Induced"
      ],
      "interventions": [
        {
          "name": "Calcium pre-treatment",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "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": 92,
      "start_date": "2022-11-30",
      "completion_date": "2024-11-20",
      "has_results": true,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-07-23T18:17:14.547Z",
      "location_count": 1,
      "location_summary": "Oak Lawn, Illinois",
      "locations": [
        {
          "city": "Oak Lawn",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05661942"
    },
    {
      "nct_id": "NCT05724121",
      "title": "Observational Study of Cardiac Arrhythmias During Treatment With BTK Inhibitors or Venetoclax",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Lymphocytic Leukemia (CLL)",
        "Waldenstr(SqrRoot)(Delta)m s Macroglobulinemia",
        "Mantle Cell Lymphoma",
        "Sudden Cardiac Death",
        "Cardiac Arrhythmias",
        "Hematologic Malignancies"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "110 Years",
        "sex": "ALL",
        "summary": "18 Years to 110 Years"
      },
      "enrollment_count": 135,
      "start_date": "2023-03-01",
      "completion_date": "2027-04-08",
      "has_results": false,
      "last_update_posted_date": "2026-07-17",
      "last_synced_at": "2026-07-23T18:17:14.547Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05724121"
    },
    {
      "nct_id": "NCT04112433",
      "title": "Novel Cardiac Signal Processing System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Arrhythmia"
      ],
      "interventions": [
        {
          "name": "PURE EP 2",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "BioSig Technologies, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 104,
      "start_date": "2019-11-12",
      "completion_date": "2022-01-29",
      "has_results": false,
      "last_update_posted_date": "2022-02-11",
      "last_synced_at": "2026-07-23T18:17:14.547Z",
      "location_count": 3,
      "location_summary": "Jacksonville, Florida • Boston, Massachusetts • Austin, Texas",
      "locations": [
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04112433"
    },
    {
      "nct_id": "NCT01970501",
      "title": "Genetically Targeted Therapy for the Prevention of Symptomatic Atrial Fibrillation in Patients With Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Current or Recent History of Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "bucindolol hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "metoprolol succinate",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral capsule",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "ARCA Biopharma, Inc.",
      "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": 267,
      "start_date": "2014-04",
      "completion_date": "2017-12-28",
      "has_results": true,
      "last_update_posted_date": "2022-09-26",
      "last_synced_at": "2026-07-23T18:17:14.547Z",
      "location_count": 48,
      "location_summary": "Anchorage, Alaska • Phoenix, Arizona • East Palo Alto, California + 43 more",
      "locations": [
        {
          "city": "Anchorage",
          "state": "Alaska"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "East Palo Alto",
          "state": "California"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01970501"
    },
    {
      "nct_id": "NCT02994667",
      "title": "Pacemaker Utilization and Ventricular Pacing in Patients Undergoing Trans-catheter Aortic Valve Replacement (TAVR)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ventricular Flutter",
        "Atrioventricular Block",
        "Intraventricular Conduction Delay",
        "Bundle Branch Block",
        "Pacemaker Implantation"
      ],
      "interventions": [
        {
          "name": "Permanent Pacemaker Placement",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Baylor 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": 30,
      "start_date": "2015-01",
      "completion_date": "2019-12-20",
      "has_results": false,
      "last_update_posted_date": "2020-01-22",
      "last_synced_at": "2026-07-23T18:17:14.547Z",
      "location_count": 1,
      "location_summary": "Plano, Texas",
      "locations": [
        {
          "city": "Plano",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994667"
    },
    {
      "nct_id": "NCT03737838",
      "title": "Propagation ANalysis for Arrhythmogenic Conduction Elimination to Prevent Atrial Flutter and Fibrillation (PANACEA-AF)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Atrial fibrillation ablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2018-10-31",
      "completion_date": "2021-02-24",
      "has_results": false,
      "last_update_posted_date": "2024-05-07",
      "last_synced_at": "2026-07-23T18:17:14.547Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03737838"
    },
    {
      "nct_id": "NCT06087497",
      "title": "The Z Stitch Early Bed Rest Assessment Study",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter",
        "Supraventricular Tachycardia",
        "Syncope",
        "Ventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "Early mobilization",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 200,
      "start_date": "2024-01-01",
      "completion_date": "2025-05-01",
      "has_results": false,
      "last_update_posted_date": "2024-04-15",
      "last_synced_at": "2026-07-23T18:17:14.547Z",
      "location_count": 2,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06087497"
    },
    {
      "nct_id": "NCT01139814",
      "title": "Clinical Study to Evaluate the Catheter Robotics Amigo for Performing Right-Sided Electrophysiology Mapping Studies",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Flutter",
        "Ventricular Tachycardia"
      ],
      "interventions": [
        {
          "name": "Amigo catheter robot",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Catheter Robotics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 181,
      "start_date": "2010-06",
      "completion_date": "2011-10",
      "has_results": true,
      "last_update_posted_date": "2013-04-11",
      "last_synced_at": "2026-07-23T18:17:14.547Z",
      "location_count": 11,
      "location_summary": "Newport Beach, California • Redwood City, California • Chicago, Illinois + 8 more",
      "locations": [
        {
          "city": "Newport Beach",
          "state": "California"
        },
        {
          "city": "Redwood City",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Davenport",
          "state": "Iowa"
        },
        {
          "city": "New Orleans",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01139814"
    },
    {
      "nct_id": "NCT03260244",
      "title": "EnSite Precision Observational Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiac Arrhythmia"
      ],
      "interventions": [
        {
          "name": "cardiac mapping and radiofrequency ablation procedure",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 1065,
      "start_date": "2017-09-12",
      "completion_date": "2020-03-31",
      "has_results": true,
      "last_update_posted_date": "2024-11-08",
      "last_synced_at": "2026-07-23T18:17:14.547Z",
      "location_count": 7,
      "location_summary": "Birmingham, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 4 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Boynton Beach",
          "state": "Florida"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03260244"
    }
  ]
}