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Clinical Trial Summary

The purpose of this study is to determine whether irbesartan will reduce the rate of recurrent atrial high rate episodes and the development of clinical sustained atrial fibrillation in patients with hypertension and permanent pacemaker.


Clinical Trial Description

Patients with permanent pacemakers have a high risk of atrial fibrillation (AF), particularly those with hypertension, sinus node dysfunction, and those with short episodes of atrial arrhythmias, known as atrial high-rate episodes (AHRE). AHRE are felt to be a precursor to AF, and may be both the result and a cause of changs in the atrial electrophysiology, and structure (known as cardiac remodeling)that are associated with the development of AF.

Evaluating this process in human AF has been limited by the cumbersome nature of performing serial, invasive electrophysiologic studies. However, modern pacemakers now permit rapid, non-invasive electrophysiologic testing and can also accurately document AHRE, which allows the convenient study of therapy aimed at preventing the progression from AHRE to overt AF. In addition, this group of patients also affords the ability to evaluate the recurrence of AHRE on the progression of structural and electrical remodeling.

Comparison: Irbesartan compared to placebo. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double-Blind, Primary Purpose: Prevention


Related Conditions & MeSH terms


NCT number NCT00225667
Study type Interventional
Source Connolly, Stuart, M.D.
Contact Stuart J. Connolly, MD
Phone 905-527-4322
Email connostu@hhsc.ca
Status Not yet recruiting
Phase Phase 3
Start date December 2005
Completion date July 2007

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