{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sotalol&page=2",
    "query": {
      "intervention": "sotalol",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=sotalol&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-24T15:17:41.837Z",
  "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": "NCT04037397",
      "title": "First Line Radiofrequency Ablation Versus Antiarrhythmic Drugs for Persistent Atrial Fibrillation Treatment (RAAFT-3)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Anti Arrhythmics",
          "type": "DRUG"
        },
        {
          "name": "Pulmonary Vein Isolation performed by Radio Frequency Catheter Ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2019-09-24",
      "completion_date": "2024-10-01",
      "has_results": false,
      "last_update_posted_date": "2024-11-12",
      "last_synced_at": "2026-09-24T15:17:41.837Z",
      "location_count": 5,
      "location_summary": "Tucson, Arizona • The Bronx, New York • Cleveland, Ohio + 1 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "The Bronx",
          "state": "New York"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04037397"
    },
    {
      "nct_id": "NCT04767061",
      "title": "Impact of Beta-blockers on Physical Function in HFpEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure, Diastolic",
        "Heart Failure With Preserved Ejection Fraction",
        "Cardiac Failure",
        "Heart Disease"
      ],
      "interventions": [
        {
          "name": "Beta blockers",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2021-04-01",
      "completion_date": "2023-04-28",
      "has_results": true,
      "last_update_posted_date": "2023-09-08",
      "last_synced_at": "2026-09-24T15:17:41.837Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04767061"
    },
    {
      "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": "2026-09-24T15:17:41.837Z",
      "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": "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": "2026-09-24T15:17:41.837Z",
      "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": "NCT02241252",
      "title": "Using an iPhone ECG to Monitor the QT Interval on Dofetilide and Sotalol Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cardiac Arrhythmia",
        "Qt Interval, Variation in"
      ],
      "interventions": [
        {
          "name": "iPhone ECG",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Oklahoma",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 29,
      "start_date": "2013-09",
      "completion_date": "2015-05",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-09-24T15:17:41.837Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02241252"
    },
    {
      "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": "2026-09-24T15:17:41.837Z",
      "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": "NCT04757584",
      "title": "Pilot Deprescribing N-of-1 Trials for Beta-blockers in HFpEF",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure, Diastolic",
        "Heart Failure With Preserved Ejection Fraction",
        "Cardiac Failure",
        "Heart Disease"
      ],
      "interventions": [
        {
          "name": "Beta blockers",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Weill Medical College of Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "65 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2021-04-01",
      "completion_date": "2023-04-28",
      "has_results": true,
      "last_update_posted_date": "2024-04-09",
      "last_synced_at": "2026-09-24T15:17:41.837Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04757584"
    },
    {
      "nct_id": "NCT00408200",
      "title": "A Study of the Effectiveness of Anti-Arrhythmic Medications After Atrial Fibrillation Ablation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "propafenone; flecainide; sotalol; dofetilide",
          "type": "DRUG"
        },
        {
          "name": "Radiofrequency catheter ablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "University of Pennsylvania",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 110,
      "start_date": "2006-11",
      "completion_date": "2008-06",
      "has_results": true,
      "last_update_posted_date": "2013-03-07",
      "last_synced_at": "2026-09-24T15:17:41.837Z",
      "location_count": 2,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00408200"
    },
    {
      "nct_id": "NCT03228823",
      "title": "Prospective Assessment of Premature Ventricular Contractions Suppression in Cardiomyopathy(PAPS)",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ventricular Premature Beats, Contractions, or Systoles",
        "Cardiomyopathies"
      ],
      "interventions": [
        {
          "name": "Radiofrequency ablation",
          "type": "PROCEDURE"
        },
        {
          "name": "Amiodarone (Antiarrhythmic drug)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Hunter Holmes Mcguire Veteran Affairs Medical Center",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2018-08-01",
      "completion_date": "2021-08-31",
      "has_results": false,
      "last_update_posted_date": "2021-04-14",
      "last_synced_at": "2026-09-24T15:17:41.837Z",
      "location_count": 10,
      "location_summary": "Los Angeles, California • San Francisco, California • Tampa, Florida + 6 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "West Roxbury",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03228823"
    },
    {
      "nct_id": "NCT01877473",
      "title": "Comparison of Reverse Remodeling and PVI Versus CFAE and/or Linear Lesions and PVI for Persistent AF",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Persistent Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Valley Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 0,
      "start_date": "2013-05",
      "completion_date": "2013-09",
      "has_results": false,
      "last_update_posted_date": "2014-06-17",
      "last_synced_at": "2026-09-24T15:17:41.837Z",
      "location_count": 1,
      "location_summary": "Ridgewood, New Jersey",
      "locations": [
        {
          "city": "Ridgewood",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01877473"
    }
  ]
}