{
  "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": "2026-09-11T16:17:38.287Z",
  "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": "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": "2026-09-11T16:17:38.287Z",
      "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": "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": "2026-09-11T16:17:38.287Z",
      "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": "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": "2026-09-11T16:17:38.287Z",
      "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": "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": "2026-09-11T16:17:38.287Z",
      "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": "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": "2026-09-11T16:17:38.287Z",
      "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": "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": "2026-09-11T16:17:38.287Z",
      "location_count": 1,
      "location_summary": "Ridgewood, New Jersey",
      "locations": [
        {
          "city": "Ridgewood",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01505296"
    },
    {
      "nct_id": "NCT00589303",
      "title": "AV Node Ablation and Pacemaker Therapy Compared to Drug Therapy for Atrial Fibrillation - Pilot Study",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "FDA approved rate and rhythm control drugs",
          "type": "DRUG"
        },
        {
          "name": "AV Node ablation and device implant",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 27,
      "start_date": "2007-12",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2013-04-04",
      "last_synced_at": "2026-09-11T16:17:38.287Z",
      "location_count": 5,
      "location_summary": "Scottsdale, Arizona • Evansville, Indiana • Rochester, Minnesota + 2 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Evansville",
          "state": "Indiana"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Chattanooga",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00589303"
    },
    {
      "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": "2026-09-11T16:17:38.287Z",
      "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": "NCT00540787",
      "title": "A Comparison of Antiarrhythmic Drug Therapy and Radio Frequency Catheter Ablation in Patients With Paroxysmal Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Paroxysmal Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Radiofrequency ablation, antiarrhythmic drugs",
          "type": "DEVICE"
        },
        {
          "name": "Amiodarone, flecainide, propafenone, quinidine, dofetilide, sotalol, cibenzoline, beta blocking and calcium channel blocking agents and antiarrhythmic drugs",
          "type": "DRUG"
        },
        {
          "name": "ThermoCool Radiofrequency Catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Biosense Webster, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 112,
      "start_date": "2003-08-01",
      "completion_date": "2006-06-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-28",
      "last_synced_at": "2026-09-11T16:17:38.287Z",
      "location_count": 3,
      "location_summary": "Birmingham, Alabama • Boston, Massachusetts • Columbus, Ohio",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00540787"
    },
    {
      "nct_id": "NCT00911508",
      "title": "Catheter Ablation vs Anti-arrhythmic Drug Therapy for Atrial Fibrillation Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Left atrial ablation",
          "type": "DEVICE"
        },
        {
          "name": "Rate or Rhythm Control Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 2204,
      "start_date": "2009-11-13",
      "completion_date": "2017-12-31",
      "has_results": true,
      "last_update_posted_date": "2021-04-21",
      "last_synced_at": "2026-09-11T16:17:38.287Z",
      "location_count": 76,
      "location_summary": "Little Rock, Arkansas • Los Angeles, California • Sacramento, California + 66 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00911508"
    }
  ]
}