{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Watchman+FLX+left+atrial+appendage+occlusion",
    "query": {
      "intervention": "Watchman FLX left atrial appendage occlusion"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-27T08:47:34.068Z",
  "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": "NCT06075628",
      "title": "Long-Term Outcomes of LAA Contrast Flow in CT Scans After Endocardial LAA Closure: The CF-CT Registry",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Atrial Fibrillation",
        "Ischemic Stroke, Acute"
      ],
      "interventions": [
        {
          "name": "Left Atrial Appendage Occlusion",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kansas City Heart Rhythm 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": "2023-07-24",
      "completion_date": "2025-12",
      "has_results": false,
      "last_update_posted_date": "2025-08-28",
      "last_synced_at": "2026-09-27T08:47:34.068Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06075628"
    },
    {
      "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": "2026-09-27T08:47:34.068Z",
      "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": "NCT05136417",
      "title": "Study of Intra-Cardiac Echocardiography in Guiding Left Atrial Appendage Occlusion With the Watchman Device",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Left Atrial Appendage Occlusion"
      ],
      "interventions": [
        {
          "name": "intra-procedural intracardiac echocardiography (ICE) probe",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mayo 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": "2022-01-04",
      "completion_date": "2023-12-15",
      "has_results": true,
      "last_update_posted_date": "2024-12-27",
      "last_synced_at": "2026-09-27T08:47:34.068Z",
      "location_count": 2,
      "location_summary": "Santa Monica, California • Rochester, Minnesota",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05136417"
    },
    {
      "nct_id": "NCT04569734",
      "title": "The ICE WATCHMAN Trial",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Left Atrial Appendage Closure With WATCHMAN Device Utilizing an Intra-procedural ICE Probe"
      ],
      "interventions": [
        {
          "name": "WATCHMAN device implant procedure utilizing ICE probe",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 101,
      "start_date": "2020-09-22",
      "completion_date": "2023-12-15",
      "has_results": false,
      "last_update_posted_date": "2023-12-27",
      "last_synced_at": "2026-09-27T08:47:34.068Z",
      "location_count": 2,
      "location_summary": "Santa Monica, California • Rochester, Minnesota",
      "locations": [
        {
          "city": "Santa Monica",
          "state": "California"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04569734"
    },
    {
      "nct_id": "NCT06213285",
      "title": "APPEND-CT Registry",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Stroke, Ischemic",
        "Device Related Thrombosis",
        "Atrial Fibrillation"
      ],
      "interventions": [
        {
          "name": "Watchman FLX left atrial appendage occlusion",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Aarhus University Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2024-02-14",
      "completion_date": "2025-01",
      "has_results": false,
      "last_update_posted_date": "2024-05-30",
      "last_synced_at": "2026-09-27T08:47:34.068Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06213285"
    }
  ]
}