{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Thrombosis+of+Left+Atrial+Appendage",
    "query": {
      "condition": "Thrombosis of Left Atrial Appendage"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 12,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Thrombosis+of+Left+Atrial+Appendage&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-27T10:02:36.937Z",
  "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": "NCT02213666",
      "title": "Comparison of Intracardiac Echocardiography and Transesophageal Echocardiography",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Atrial Flutter"
      ],
      "interventions": [
        {
          "name": "Intracardiac Imaging",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Elad Anter",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 72,
      "start_date": "2012-01",
      "completion_date": "2014-05",
      "has_results": true,
      "last_update_posted_date": "2017-05-03",
      "last_synced_at": "2026-06-27T10:02:36.937Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02213666"
    },
    {
      "nct_id": "NCT04726943",
      "title": "RF Applications for Residual LAA Leaks",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Left Atrial Appendage Thrombosis",
        "Stroke, Ischemic",
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Radiofrequency Energy Applications",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "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": 100,
      "start_date": "2021-02-01",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-02-11",
      "last_synced_at": "2026-06-27T10:02:36.937Z",
      "location_count": 2,
      "location_summary": "Overland Park, Kansas • Austin, Texas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        },
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04726943"
    },
    {
      "nct_id": "NCT01721447",
      "title": "Efficacy of Optison Echo Contrast to Detect Thrombus in Left Atrial Appendage",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Optison echocardiography contrast agent",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Utah",
      "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": 100,
      "start_date": "2013-06",
      "completion_date": "2018-05",
      "has_results": true,
      "last_update_posted_date": "2019-08-20",
      "last_synced_at": "2026-06-27T10:02:36.937Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01721447"
    },
    {
      "nct_id": "NCT06007872",
      "title": "Intracardiac Echocardiography Guided Watchman Device Implant",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Left Atrial Appendage Thrombosis"
      ],
      "interventions": [
        {
          "name": "Intracardiac Echocardiography (ICE)",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "The Cleveland Clinic",
      "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": "2022-12-02",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-21",
      "last_synced_at": "2026-06-27T10:02:36.937Z",
      "location_count": 1,
      "location_summary": "Cleveland, Ohio",
      "locations": [
        {
          "city": "Cleveland",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06007872"
    },
    {
      "nct_id": "NCT04684212",
      "title": "Can the Lambre Device Occlude IRRegular And Large Appendages in Patients With Non-Valvular AF",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Left Atrial Appendage Thrombosis",
        "CVA"
      ],
      "interventions": [
        {
          "name": "LAmbre PlusTM Left Atrial Appendage Closure System",
          "type": "DEVICE"
        },
        {
          "name": "Market approved oral anticoagulation (OAC), such as warfarin (Coumadin), dabigatran (Pradaxa), rivaroxaban (Xarelto), apixiban (Eliquis), edoxaban (Savaysa), or betrixaban (Bevyxxa)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Brian O'Neill MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2024-06-01",
      "completion_date": "2024-07-11",
      "has_results": false,
      "last_update_posted_date": "2025-11-04",
      "last_synced_at": "2026-06-27T10:02:36.937Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04684212"
    },
    {
      "nct_id": "NCT06523166",
      "title": "Direct Comparison of Cardiac CT With TEE to Evaluate Watchman FLX LAA Occluder Device Characteristics",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Device Related Thrombosis",
        "Peri-device Leak"
      ],
      "interventions": [
        {
          "name": "Transesophageal echocardiography (TEE)",
          "type": "PROCEDURE"
        },
        {
          "name": "Cardiac CTA",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University Hospitals Cleveland Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 320,
      "start_date": "2026-03-27",
      "completion_date": "2026-08-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-07",
      "last_synced_at": "2026-06-27T10:02:36.937Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Roslyn, New York • Charlotte, North Carolina + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Roslyn",
          "state": "New York"
        },
        {
          "city": "Charlotte",
          "state": "North Carolina"
        },
        {
          "city": "Cleveland",
          "state": "Ohio"
        },
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06523166"
    },
    {
      "nct_id": "NCT03539055",
      "title": "Efficacy of Short Term Dabigatran Etexilate Followed by Aspirin Monotherapy After LAA (Left Atrial Appendage) Device Closure (the DEA-LAA Study).",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Atrial Fibrillation",
        "Device Related Thrombus",
        "Left Atrial Appendage Thrombosis",
        "Watchman LAA Closure Device"
      ],
      "interventions": [
        {
          "name": "Dabigatran Etexilate Oral Capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "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": "2018-09-01",
      "completion_date": "2024-02-29",
      "has_results": true,
      "last_update_posted_date": "2025-06-10",
      "last_synced_at": "2026-06-27T10:02:36.937Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03539055"
    },
    {
      "nct_id": "NCT03040622",
      "title": "The Evaluation of Thrombogenicity in Patients Undergoing WATCHMAN Left Atrial Appendage Closure Trial",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Left Atrial Appendage Closure",
        "WATCHMAN Device Implantation"
      ],
      "interventions": [
        {
          "name": "WATCHMAN Left Atrial Appendage Closure",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Inova Health Care Services",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2017-03-01",
      "completion_date": "2019-12-31",
      "has_results": true,
      "last_update_posted_date": "2024-03-29",
      "last_synced_at": "2026-06-27T10:02:36.937Z",
      "location_count": 1,
      "location_summary": "Falls Church, Virginia",
      "locations": [
        {
          "city": "Falls Church",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03040622"
    },
    {
      "nct_id": "NCT00797576",
      "title": "Detection of Left Atrial Appendage (LAA) Thrombus: Comparison of Cardiac Magnetic Resonance Imaging and Transesophageal Echocardiogram",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Left Atrial Appendage Thrombi"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Gundersen Lutheran Medical Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 25,
      "start_date": "2008-06",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2010-06-22",
      "last_synced_at": "2026-06-27T10:02:36.937Z",
      "location_count": 1,
      "location_summary": "La Crosse, Wisconsin",
      "locations": [
        {
          "city": "La Crosse",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00797576"
    },
    {
      "nct_id": "NCT07647939",
      "title": "Exclusion of Left Atrial Appendage Thrombus in Emergency Department Patients With Atrial Fibrillation Undergoing CT to Assess for Pulmonary Embolus: A Feasibility Study",
      "overall_status": "NOT_YET_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Atrial Fibrillation (AF)",
        "Pulmonary Embolism (PE)",
        "Left Atrial Appendage Thrombosis"
      ],
      "interventions": [
        {
          "name": "Delayed Un-gated CT Scan for Left Atrial Appendage Thrombus",
          "type": "DEVICE"
        },
        {
          "name": "Delayed Gated CT Scan for Left Atrial Appendage Thrombus",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Northwell Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 60,
      "start_date": "2026-07",
      "completion_date": "2027-06",
      "has_results": false,
      "last_update_posted_date": "2026-06-15",
      "last_synced_at": "2026-06-27T10:02:36.937Z",
      "location_count": 1,
      "location_summary": "Manhasset, New York",
      "locations": [
        {
          "city": "Manhasset",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07647939"
    }
  ]
}