Left Atrial Appendage Occlusion vs. Usual Care in Patients With Atrial

Status Terminated

Clinical Trial Summary

The purpose of this study is to evaluate the superiority of left atrial appendage occlusion in comparison to oral anticoagulation with a vitamin K antagonist (INR 2-3) related to the frequency of occurrence of at least one bleeding classified as moderate or major within 24 months.

Clinical Trial Description

Open, randomized, controlled, multicenter clinical investigation. Transesophageal echocardiography (TEE) for all patients within 14 days of the Enrolment Visit. Patients randomized to oral anticoagulation (OAC) will receive standard of care (SOC) vitamin K antagonist treatment throughout the 24 months clinical investigation period, managed by the primary care physician, with the goal of achieving and maintaining an INR of 2-3 (INR monitoring by the primary care physician every two weeks throughout study period).

Patients randomized to the WATCHMAN device will undergo device implantation within 48 hours of the screening TEE and after confirmation of INR ≤ 1.7 in the catheterization laboratory with a subsequent hospitalization for 24-48 hours.

Concomitant treatment with Aspirin/Clopidogrel (managed by the patient's primary care physician) will be initiated on the day prior to device implantation, and will be continued for 6 months after the procedure, at which time Clopidogrel will be discontinued; administration of Aspirin will be continued indefinitely.

Follow-up visits for all patients will take place on Day 45, and at Month 6, Month 12 and Month 24 (End of Study). Routine safety and efficacy assessments at each visit will be the same for all patients regardless of treatment group.

Follow-up- visits at day 45, months 6, 12 and 24. Patients randomized to the WATCHMAN device will have additional TEE imaging performed at the Day 45 and Month 6 visits.

An independent Data Monitoring Committee will monitor safety. A blinded and independent Endpoint Committee will evaluate end-points throughout the entire study period. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details

NCT number	NCT02039167
Study type	Interventional
Source	University of Magdeburg
Contact
Status	Terminated
Phase	N/A
Start date	January 2014
Completion date	April 12, 2017

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Clinical trials are conducted in a series of steps, called phases - each phase is designed to answer a separate research question.

Phase 1: Researchers test a new drug or treatment in a small group of people for the first time to evaluate its safety, determine a safe dosage range, and identify side effects.
Phase 2: The drug or treatment is given to a larger group of people to see if it is effective and to further evaluate its safety.
Phase 3: The drug or treatment is given to large groups of people to confirm its effectiveness, monitor side effects, compare it to commonly used treatments, and collect information that will allow the drug or treatment to be used safely.
Phase 4: Studies are done after the drug or treatment has been marketed to gather information on the drug's effect in various populations and any side effects associated with long-term use.

Left Atrial Appendage Occlusion vs. Usual Care in Patients With Atrial Fibrillation and Severe Chronic Kidney Disease — WatchAFIB

Clinical Trial Summary

Clinical Trial Description

Study Design

Related Conditions & MeSH terms