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Clinical Trial Summary

Comparison among three different antithrombotic strategies after percutaneous LAA occlusion with a Watchman FLX LAAC device.


Clinical Trial Description

Data on the optimal antithrombotic therapy (AT) after percutaneous left atrial appendage (LAA) occlusion are still scarce. The classical AT strategy after LAA occlusion includes 6-weeks of warfarin + aspirin followed by dual anti platelet therapy with clopidogrel (75 mg) and aspirin (81-325 mg) until 6 months of follow-up, then aspirin alone is continued indefinitely. Nonetheless, a significant number of patients continues to suffer from device-related thrombosis which carries a high risk of thromboembolic events. Other AT strategies have been tested in order to reduce the risk of thrombus-formation on device. Among them, replacement of clopidogrel with half-dose oral anticoagulation (OAC) in patients with genetic resistance to this drug has been recently reported to reduce the incidence of DRT. Additionally, reduced dose of novel OAC was demonstrated to lead to lower thrombin generation compared to DAPT. ;


Study Design


Related Conditions & MeSH terms


NCT number NCT04502017
Study type Interventional
Source Texas Cardiac Arrhythmia Research Foundation
Contact Domenico G Della Rocca, MD
Phone 7375296806
Email domenicodellarocca@hotmail.it
Status Recruiting
Phase Phase 4
Start date August 5, 2020
Completion date December 31, 2023

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