Clinical trial Recruiting at 1 site Observational Ages 18 and up

Registry for patients undergoing left atrial appendage occlusion procedures

Official title: Left Atrial Appendage Occlusion Registry (LAAO Registry)

Run by American College of Cardiology · NCT02699957 · Data updated 2026-11-12

This study collects information from patients who have a procedure to close off a part of the heart to see if it helps reduce their risk of stroke from atrial fibrillation.

Quick facts

Study typeObservational
Ages18 Years and up
SexAll
Enrollment3000 (estimated)
SponsorAmerican College of Cardiology
Academic / other
Locations1 site (Washington D.C., District of Columbia)
StatusRecruiting
StartedDecember 2015
Main results expectedJanuary 2029
Study endsJanuary 2029
Registry record updatedJune 15, 2026
Trial IDNCT02699957 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates for this registry are adult patients aged 18 and older who are undergoing percutaneous or epicardial left atrial appendage occlusion procedures.

Probably not a fit

Patients who are not undergoing left atrial appendage occlusion procedures will not benefit from this registry.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

The Left Atrial Appendage Occlusion Registry (LAAO Registry) collects data on patients who undergo procedures to occlude the left atrial appendage, aimed at reducing stroke risk in individuals with atrial fibrillation. Participating hospitals submit patient-level data quarterly to the American College of Cardiology Foundation's National Cardiovascular Data Registry. The registry aims to optimize patient outcomes through evidence-based guidelines, improve quality and safety in clinical practice, and facilitate risk-adjusted assessments for comparison with nationwide data. It serves as a valuable resource for quality improvement and clinical research.

Why it matters

Potential benefit: If successful, this registry could enhance the management and outcomes of patients undergoing left atrial appendage occlusion procedures.

How similar studies have gone: Other studies utilizing registry data for procedural outcomes have shown success in improving patient care and outcomes, indicating that this approach is validated.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Adult patients, 18 years and older, undergoing percutaneous or epicardial left atrial appendage occlusion procedures

Exclusion Criteria:

* None

Where it's running

  • American College of Cardiology/National Cardiovascular Data Registry (NCDR)
    Washington D.C., District of Columbia, United States
    Recruiting

Study contacts

Similar studies

Other studies for the same condition or treatment. Recruiting studies are listed first.

How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.