{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Left+atrial+ablation&page=2",
    "query": {
      "intervention": "Left atrial ablation",
      "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=Left+atrial+ablation&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-26T20:12:58.106Z",
  "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": "2026-09-26T20:12:58.106Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02106663"
    },
    {
      "nct_id": "NCT07580937",
      "title": "Studying Heart Ablation After Left Atrial Closure in High-Bleeding-Risk Atrial Fibrillation Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Data collection",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "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": 198,
      "start_date": "2022-03-08",
      "completion_date": "2026-03-30",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-09-26T20:12:58.106Z",
      "location_count": 10,
      "location_summary": "Chicago, Illinois • Evanston, Illinois • Boston, Massachusetts + 4 more",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Evanston",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07580937"
    },
    {
      "nct_id": "NCT01150214",
      "title": "DECAAF: Delayed-Enhancement MRI (DE-MRI) Determinant of Successful Radiofrequency Catheter Ablation of Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "DE-MRI",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 339,
      "start_date": "2010-07",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2017-06-02",
      "last_synced_at": "2026-09-26T20:12:58.106Z",
      "location_count": 5,
      "location_summary": "Tampa, Florida • Chicago, Illinois • Columbus, Ohio + 2 more",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01150214"
    },
    {
      "nct_id": "NCT05111015",
      "title": "Tracking Results of Ablations to Combat AF Registry Generation 2",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Open Concomitant Surgical Ablation Procedures",
          "type": "DEVICE"
        },
        {
          "name": "Hybrid (Convergent) Ablation Procedures",
          "type": "DEVICE"
        },
        {
          "name": "AtriCure Hybrid Totally Thoracoscopic Ablation Procedures",
          "type": "DEVICE"
        },
        {
          "name": "AtriCure LAA Exclusion Procedures",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "AtriCure, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10000,
      "start_date": "2024-03-11",
      "completion_date": "2040-01",
      "has_results": false,
      "last_update_posted_date": "2026-06-29",
      "last_synced_at": "2026-09-26T20:12:58.106Z",
      "location_count": 26,
      "location_summary": "Huntsville, Alabama • Jonesboro, Arkansas • Little Rock, Arkansas + 23 more",
      "locations": [
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Loma Linda",
          "state": "California"
        },
        {
          "city": "St. Helena",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05111015"
    },
    {
      "nct_id": "NCT05481359",
      "title": "AF-FLOW Registry to Evaluate Electrographic Flow Mapping in Patients Undergoing Ablation for Atrial Fibrillation",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation, Persistent",
        "Atrial Fibrillation",
        "Arrhythmias, Cardiac",
        "Heart Diseases"
      ],
      "interventions": [
        {
          "name": "Electrographic Flow™ (EGF) mapping and ablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Ablacon, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 25,
      "start_date": "2022-09-12",
      "completion_date": "2023-11-17",
      "has_results": true,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-09-26T20:12:58.106Z",
      "location_count": 3,
      "location_summary": "Athens, Georgia • Atlanta, Georgia • New York, New York",
      "locations": [
        {
          "city": "Athens",
          "state": "Georgia"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05481359"
    },
    {
      "nct_id": "NCT07041125",
      "title": "Concomitant LAAC/AF Ablation (Watchman FLX Pro)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PFA Ablation and LAAC Procedures"
      ],
      "interventions": [
        {
          "name": "Watchman FLX™ Pro device.",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Heart Rhythm Clinical and Research Solutions, LLC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 122,
      "start_date": "2025-06-01",
      "completion_date": "2026-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-08-31",
      "last_synced_at": "2026-09-26T20:12:58.106Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • San Francisco, California • Littleton, Colorado + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Littleton",
          "state": "Colorado"
        },
        {
          "city": "Delray Beach",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07041125"
    },
    {
      "nct_id": "NCT01925885",
      "title": "Focal Impulse and Rotor Modulation Ablation Trial for Treatment of Paroxysmal Atrial Fibrillation (FIRMAT-PAF)",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Paroxysmal Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "PVI Ablation",
          "type": "PROCEDURE"
        },
        {
          "name": "FIRM Ablation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 1,
      "start_date": "2013-09",
      "completion_date": "2015-12-23",
      "has_results": false,
      "last_update_posted_date": "2017-04-05",
      "last_synced_at": "2026-09-26T20:12:58.106Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01925885"
    },
    {
      "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": "2026-09-26T20:12:58.106Z",
      "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": "NCT07594886",
      "title": "Left Atrial Pressure-Guided Heart Failure Optimization During Atrial Fibrillation Ablation (LAP AF-HF)",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation (AF)",
        "Heart Failure",
        "Catheter Ablation",
        "Guideline Implementation"
      ],
      "interventions": [
        {
          "name": "LAP-Triggered Heart Failure Optimization Pathway",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Medical College of Wisconsin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 300,
      "start_date": "2024-02-12",
      "completion_date": "2029-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-19",
      "last_synced_at": "2026-09-26T20:12:58.106Z",
      "location_count": 1,
      "location_summary": "Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07594886"
    },
    {
      "nct_id": "NCT06212791",
      "title": "EXercise Cardiac Magnetic Resonance Assessment of Left Atrial Mechanics Following Ablation",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Paroxysmal Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Self- Report Evaluation-Duke Activity Status Index",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Self- Report Evaluation Atrial Fibrillation Effect on Quality of Life Questionnaire",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cardiopulmonary exercise test (CPET)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Transthoracic echocardiogram",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Ambulatory cardiac rhythm assessment",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Cardiovascular magnetic resonance (CMR)",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Virginia Commonwealth University",
      "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": "2024-12-26",
      "completion_date": "2028-03",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-09-26T20:12:58.106Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06212791"
    }
  ]
}