{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radio-frequency+catheter+ablation&page=2",
    "query": {
      "intervention": "Radio-frequency catheter ablation",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 164,
    "total_pages": 17,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radio-frequency+catheter+ablation&page=3&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Radio-frequency+catheter+ablation&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-02T10:39:56.250Z",
  "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": "NCT02106663",
      "title": "Effectiveness Study of Circumferential vs. Segmental Ablation in Paroxysmal Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Paroxysmal Atrial Fibrillation",
        "Atrial Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Circumferential Pulmonary Vein Ablation",
          "type": "PROCEDURE"
        },
        {
          "name": "Segmental Pulmonary Vein Isolation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 97,
      "start_date": "2012-07",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2022-05-24",
      "last_synced_at": "2026-10-02T10:39:56.250Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02106663"
    },
    {
      "nct_id": "NCT00729911",
      "title": "Ablation vs Amiodarone for Treatment of AFib in Patients With CHF and an ICD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Atrial Fibrillation ablation",
          "type": "PROCEDURE"
        },
        {
          "name": "Amiodarone",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Texas Cardiac Arrhythmia Research Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 203,
      "start_date": "2008-10",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2019-04-10",
      "last_synced_at": "2026-10-02T10:39:56.250Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00729911"
    },
    {
      "nct_id": "NCT05988411",
      "title": "ULTRA-HFIB-Redo: Ultrasound-based Renal Sympathetic Denervation vs Control in Redo Ablation Patients",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Paroxysmal Atrial Fibrillation",
        "Persistent Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Renal Denervation",
          "type": "DEVICE"
        },
        {
          "name": "Catheter Ablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Vivek Reddy",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 143,
      "start_date": "2023-12-07",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2026-07-30",
      "last_synced_at": "2026-10-02T10:39:56.250Z",
      "location_count": 8,
      "location_summary": "Jonesboro, Arkansas • San Francisco, California • Thousand Oaks, California + 5 more",
      "locations": [
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Thousand Oaks",
          "state": "California"
        },
        {
          "city": "Detroit",
          "state": "Michigan"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05988411"
    },
    {
      "nct_id": "NCT00392054",
      "title": "First Line Radiofrequency Ablation Versus Antiarrhythmic Drugs for Atrial Fibrillation Treatment (The RAAFT Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Pulmonary Vein Isolation performed by Catheter Ablation",
          "type": "PROCEDURE"
        },
        {
          "name": "Conventional Antiarrhythmic Drug Therapy",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Population Health Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "19 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "19 Years to 75 Years"
      },
      "enrollment_count": 127,
      "start_date": "2006-08",
      "completion_date": "2012-02",
      "has_results": true,
      "last_update_posted_date": "2020-01-31",
      "last_synced_at": "2026-10-02T10:39:56.250Z",
      "location_count": 2,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00392054"
    },
    {
      "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": "2026-10-02T10:39:56.250Z",
      "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"
    },
    {
      "nct_id": "NCT05116384",
      "title": "Renal Denervation + PVI vs PVI Alone for Persistent AF",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "catheter ablation",
          "type": "DEVICE"
        },
        {
          "name": "renal artery denervation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 50,
      "start_date": "2023-07-30",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2025-12-11",
      "last_synced_at": "2026-10-02T10:39:56.250Z",
      "location_count": 1,
      "location_summary": "Short Hills, New Jersey",
      "locations": [
        {
          "city": "Short Hills",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05116384"
    },
    {
      "nct_id": "NCT06676072",
      "title": "A Study of the TactiFlex SE Catheter and Volt PFA Generator in Subjects With PAF:",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation (AF)",
        "Atrial Arrhythmia",
        "Paroxysmal AF",
        "Drug Refractory Paroxysmal Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "PFA Ablation catheter",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "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": 188,
      "start_date": "2024-11-22",
      "completion_date": "2026-04-13",
      "has_results": false,
      "last_update_posted_date": "2026-06-01",
      "last_synced_at": "2026-10-02T10:39:56.250Z",
      "location_count": 29,
      "location_summary": "Scottsdale, Arizona • Little Rock, Arkansas • Stanford, California + 24 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Stanford",
          "state": "California"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Miami",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06676072"
    },
    {
      "nct_id": "NCT04088071",
      "title": "Real-world Experience of Catheter Ablation for the Treatment of Arrhythmias",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Paroxysmal Atrial Fibrillation",
        "Persistent Atrial Fibrillation",
        "Ventricular Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Catheter ablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Heart Rhythm Clinical and Research Solutions, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20000,
      "start_date": "2018-01-01",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-22",
      "last_synced_at": "2026-10-02T10:39:56.250Z",
      "location_count": 71,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Chandler, Arizona + 64 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04088071"
    },
    {
      "nct_id": "NCT02008461",
      "title": "Botulinum Toxin Injection for Preventing Secondary Atrial Fibrillation in Patient With Supra-ventricular Tachyarrythmias",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Supra-ventricular Tachyarrhythmias"
      ],
      "interventions": [
        {
          "name": "radiofrequency ablation",
          "type": "PROCEDURE"
        },
        {
          "name": "botulinum toxin injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Meshalkin Research Institute of Pathology of Circulation",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 60,
      "start_date": "2013-06",
      "completion_date": "2016-02",
      "has_results": false,
      "last_update_posted_date": "2015-09-23",
      "last_synced_at": "2026-10-02T10:39:56.250Z",
      "location_count": 1,
      "location_summary": "Rochester, New York",
      "locations": [
        {
          "city": "Rochester",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02008461"
    },
    {
      "nct_id": "NCT03295422",
      "title": "Comparison of Two Pulmonary Vein Ablation Techniques for Persistent AF",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Atrial Fibrillation",
        "Persistent Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "RF ablation PVI alone",
          "type": "PROCEDURE"
        },
        {
          "name": "RF ablation PVI plus LPAW",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Sequoia Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2017-08-25",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-11-19",
      "last_synced_at": "2026-10-02T10:39:56.250Z",
      "location_count": 1,
      "location_summary": "Redwood City, California",
      "locations": [
        {
          "city": "Redwood City",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03295422"
    }
  ]
}