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

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details. Identifier: NCT01182441
Recruitment Status : Unknown
Verified March 2013 by Boston Scientific Corporation.
Recruitment status was:  Active, not recruiting
First Posted : August 16, 2010
Last Update Posted : January 27, 2015
Information provided by (Responsible Party):
Boston Scientific Corporation

Results Submitted - Not Posted on
Results information has been submitted to by the sponsor or investigator, but is not yet publicly available (or "posted") on The submitted information may not be available if it is pending Quality Control (QC) Review by the National Library of Medicine (NLM) or if issues identified during QC review are being addressed or corrected by the sponsor or investigator. NLM's limited QC review assesses for apparent errors, deficiencies, or inconsistencies. NLM staff do not verify the scientific validity or relevance of the submitted information.
  Recruitment Status : Unknown
  Actual Primary Completion Date : January 2013
  Estimated Study Completion Date : August 2017

Submission Cycle Results Submitted to Results Returned after Quality Control Review
1 April 3, 2017
May 10, 2017
2 July 10, 2017
August 10, 2017
3 June 14, 2018