Study details
Enrolling now
The Fourth Left Atrial Appendage Occlusion Study
Hamilton Health Sciences Corporation
NCT IDNCT05963698ClinicalTrials.gov data as of Apr 2026
Target enrollment
4,000
Study length
about 6 years
Ages
18+
Locations
47 sites in AL, AR, CA +25
What this study is about
Researchers are testing a device to prevent strokes in people with atrial fibrillation who are at high risk of stroke despite taking blood thinners. The trial will last for 2193 days and involve approximately 4000 participants.
Simplified from trial records by PatientMatch.
What you may be asked to do
- 1.Use WATCHMAN device
Participation Burden
What's physically and logistically required of participants.
Logistics & Travel
In-person visits
Requires travel to a study site
Physical Intervention
Standard
How treatment is administered
Treatment Assignment
Randomized & Blinded
You may get a placebo/standard care, and you won't know which.
Extracted study details
Pulled from the trial record to show what is being tested and what the study is measuring.
Endpoints
Secondary: All-cause mortality, Montreal Cognitive Assessment (MoCA) Score
Body systems
Neurology, Cardiology / Heart