{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=flecainide",
    "query": {
      "intervention": "flecainide"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 20,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=flecainide&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T03:34:16.911Z",
  "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": "NCT06096337",
      "title": "Pulsed Field Ablation (PFA) vs Anti-Arrhythmic Drug (AAD) Therapy as a First Line Treatment for Persistent Atrial Fibrillation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Persistent Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "FARAPULSE™ Pulsed Field Ablation (PFA) System",
          "type": "DEVICE"
        },
        {
          "name": "Anti-Arrhythmic Drug (AAD): Flecainide, Sotalol, Propafenone, Dofetilide, and Dronedarone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Boston Scientific Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 484,
      "start_date": "2023-12-28",
      "completion_date": "2028-02-04",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-03T03:34:16.911Z",
      "location_count": 42,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Jonesboro, Arkansas + 38 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06096337"
    },
    {
      "nct_id": "NCT00523978",
      "title": "A Clinical Study of the Arctic Front Cryoablation Balloon for the Treatment of Paroxysmal Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Paroxysmal Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Arctic Front® Cryoablation Catheter",
          "type": "DEVICE"
        },
        {
          "name": "Flecainide or Sotalol or Propafenone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Medtronic Cardiac Rhythm and Heart Failure",
      "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": 245,
      "start_date": "2006-10",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2018-10-16",
      "last_synced_at": "2026-09-03T03:34:16.911Z",
      "location_count": 23,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Los Angeles, California + 19 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00523978"
    },
    {
      "nct_id": "NCT05039359",
      "title": "Flecainide Acetate Inhalation Solution for Cardioversion of Recent-Onset, Symptomatic Atrial Fibrillation",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Paroxysmal Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "FlecIH-103",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "InCarda Therapeutics, 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": 54,
      "start_date": "2022-04-26",
      "completion_date": "2023-05-22",
      "has_results": false,
      "last_update_posted_date": "2023-10-30",
      "last_synced_at": "2026-09-03T03:34:16.911Z",
      "location_count": 18,
      "location_summary": "Davis, California • Long Beach, California • Bridgeport, Connecticut + 12 more",
      "locations": [
        {
          "city": "Davis",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Bridgeport",
          "state": "Connecticut"
        },
        {
          "city": "Orlando",
          "state": "Florida"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05039359"
    },
    {
      "nct_id": "NCT02302274",
      "title": "Diagnostic Value and Safety of Flecainide Infusion Test in Brugada Syndrome",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Brugada Syndrome",
        "Arrhythmogenic Right Ventricular Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "flecainide iv",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "NYU Langone Health",
      "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": 209,
      "start_date": "2010-07-01",
      "completion_date": "2017-07-26",
      "has_results": false,
      "last_update_posted_date": "2019-04-18",
      "last_synced_at": "2026-09-03T03:34:16.911Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02302274"
    },
    {
      "nct_id": "NCT03624920",
      "title": "Safety and Efficacy of THN102 in Patients With Parkinson's Disease and Excessive Daytime Sleepiness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Parkinson Disease"
      ],
      "interventions": [
        {
          "name": "THN102 Dosage A",
          "type": "DRUG"
        },
        {
          "name": "THN102 Dosage B",
          "type": "DRUG"
        },
        {
          "name": "THN102 Dosage C",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Theranexus",
      "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": 77,
      "start_date": "2018-07-12",
      "completion_date": "2020-02-24",
      "has_results": true,
      "last_update_posted_date": "2020-12-01",
      "last_synced_at": "2026-09-03T03:34:16.911Z",
      "location_count": 3,
      "location_summary": "Kansas City, Kansas • Boston, Massachusetts • Houston, Texas",
      "locations": [
        {
          "city": "Kansas City",
          "state": "Kansas"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03624920"
    },
    {
      "nct_id": "NCT03685149",
      "title": "Pilot Randomized Trial With Flecainide in ARVC Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Arrhythmogenic Right Ventricular Cardiomyopathy"
      ],
      "interventions": [
        {
          "name": "Flecainide Pill",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Rochester",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 22,
      "start_date": "2019-07-23",
      "completion_date": "2022-07-31",
      "has_results": true,
      "last_update_posted_date": "2024-08-20",
      "last_synced_at": "2026-09-03T03:34:16.911Z",
      "location_count": 6,
      "location_summary": "Denver, Colorado • Baltimore, Maryland • New York, New York + 3 more",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03685149"
    },
    {
      "nct_id": "NCT01505296",
      "title": "Catheter Ablation for Recently Diagnosed Paroxysmal Atrial Fibrillation",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Antiarrhythmic drug",
          "type": "DRUG"
        },
        {
          "name": "Catheter ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "Valley Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 0,
      "start_date": "2011-12",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2014-12-16",
      "last_synced_at": "2026-09-03T03:34:16.911Z",
      "location_count": 1,
      "location_summary": "Ridgewood, New Jersey",
      "locations": [
        {
          "city": "Ridgewood",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01505296"
    },
    {
      "nct_id": "NCT02347111",
      "title": "Pharmacogenetic Study of Antiarrhythmic Drugs for Atrial Fibrillation",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Flecainide",
          "type": "DRUG"
        },
        {
          "name": "Sotalol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Illinois at Chicago",
      "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": 162,
      "start_date": "2020-12-31",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-08-24",
      "last_synced_at": "2026-09-03T03:34:16.911Z",
      "location_count": 4,
      "location_summary": "Chicago, Illinois • Oak Lawn, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Oak Lawn",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02347111"
    },
    {
      "nct_id": "NCT02191358",
      "title": "YouScript IMPACT Registry",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Adverse Drug Events",
        "Adverse Drug Reactions",
        "Drug Interaction Potentiation",
        "Drug Metabolism, Poor, CYP2D6-RELATED",
        "Drug Metabolism, Poor, CYP2C19-RELATED",
        "Cytochrome P450 Enzyme Deficiency",
        "Cytochrome P450 CYP2D6 Enzyme Deficiency",
        "Cytochrome P450 CYP2C9 Enzyme Deficiency",
        "Cytochrome P450 CYP2C19 Enzyme Deficiency",
        "Cytochrome P450 CYP3A Enzyme Deficiency",
        "Poor Metabolizer Due to Cytochrome P450 CYP2C9 Variant",
        "Poor Metabolizer Due to Cytochrome P450 CYP2C19 Variant",
        "Poor Metabolizer Due to Cytochrome P450 CYP2D6 Variant"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Genelex Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 800,
      "start_date": "2014-10",
      "completion_date": "2015-08",
      "has_results": false,
      "last_update_posted_date": "2017-03-01",
      "last_synced_at": "2026-09-03T03:34:16.911Z",
      "location_count": 7,
      "location_summary": "Garden Grove, California • Denver, Colorado • Lexington, Kentucky + 3 more",
      "locations": [
        {
          "city": "Garden Grove",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Towson",
          "state": "Maryland"
        },
        {
          "city": "Fall River",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02191358"
    },
    {
      "nct_id": "NCT00392106",
      "title": "High Intensity Focused Ultrasound (HIFU) Ablation System Study",
      "overall_status": "SUSPENDED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "propafenone",
          "type": "DRUG"
        },
        {
          "name": "flecainide",
          "type": "DRUG"
        },
        {
          "name": "dofetilide",
          "type": "DRUG"
        },
        {
          "name": "sotolol",
          "type": "DRUG"
        },
        {
          "name": "Pulmonary vein ablation",
          "type": "DEVICE"
        },
        {
          "name": "Amiodarone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "ProRhythm, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 240,
      "start_date": "2006-04",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2008-06-17",
      "last_synced_at": "2026-09-03T03:34:16.911Z",
      "location_count": 20,
      "location_summary": "Fullerton, California • Los Angeles, California • Atlanta, Georgia + 16 more",
      "locations": [
        {
          "city": "Fullerton",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Lexington",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00392106"
    }
  ]
}