Evaluation of the WATCHMAN Left Atrial Appendage (LAA) Closure Device in Patients With Atrial Fibrillation Versus Long Term Warfarin Therapy

NCT01182441 · Status: COMPLETED · Phase: PHASE3 · Type: INTERVENTIONAL · Enrollment: 407

Last updated 2018-07-26

Study results available
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Summary

This was a prospective, randomized, multicenter study to provide additional information on the safety and efficacy of the WATCHMAN LAA Closure Technology. The purpose of the PREVAIL study was to confirm the efficacy endpoint as demonstrated in the PROTECT AF pivotal study and to further demonstrate that the WATCHMAN LAA Closure Technology is safe and effective in subjects with non-valvular atrial fibrillation who require anticoagulation therapy for potential thrombus formation.

Conditions

Interventions

DEVICE

WATCHMAN Device

WATCHMAN Left Atrial Appendage Closure Technology

DRUG

Warfarin

Warfarin dosage prescribed by study physician to adequately maintain an INR of 2.0-3.0

Sponsors & Collaborators

  • Boston Scientific Corporation

    lead INDUSTRY

Principal Investigators

  • David R. Holmes, M.D. · Mayo Clinic

  • Vivek Y. Reddy, M.D. · Icahn School of Medicine at Mount Sinai

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
NONE
Model
PARALLEL

Eligibility

Min Age
18 Years
Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2010-11-30
Primary Completion
2013-01-31
Completion
2017-11-30

Countries

  • United States

Study Locations

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Entities

Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT01182441 on ClinicalTrials.gov