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The primary objective of this study is to:
Assess whether the addition of dronedarone to existing conventional rate control therapy leads to a reduced ventricular rate after 1 week in patients with a high Heart Rate (HR) at rest during Atrial Fibrillation (AF) in comparison to an increase of conventional therapy.
The secondary objectives of this study are to compare both study arms with regard to:
- Ventricular rate after 3 months
- Number of registered AF episodes
- Number of symptomatic AF episodes
- Severity of AF and AF-like symptoms
- Rate of premature study discontinuation
- Number of symptomatic episodes of bradycardia
- Incidence of low heart rate (<60 bpm)
Allocation: Randomized, Control: Active Control, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment
Dronedarone, Beta blocker or calcium antagonist or digoxin
Sanofi-Aventis Administrative Office
Published on BioPortfolio: 2014-08-27T03:16:41-0400
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A cardiotonic glycoside obtained mainly from Digitalis lanata; it consists of three sugars and the aglycone DIGOXIGENIN. Digoxin has positive inotropic and negative chronotropic activity. It is used to control ventricular rate in ATRIAL FIBRILLATION and in the management of congestive heart failure with atrial fibrillation. Its use in congestive heart failure and sinus rhythm is less certain. The margin between toxic and therapeutic doses is small. (From Martindale, The Extra Pharmacopoeia, 30th ed, p666)
Rapid, irregular atrial contractions caused by a block of electrical impulse conduction in the right atrium and a reentrant wave front traveling up the inter-atrial septum and down the right atrial free wall or vice versa. Unlike ATRIAL FIBRILLATION which is caused by abnormal impulse generation, typical atrial flutter is caused by abnormal impulse conduction. As in atrial fibrillation, patients with atrial flutter cannot effectively pump blood into the lower chambers of the heart (HEART VENTRICLES).
3 beta,12 beta,14-Trihydroxy-5 beta-card-20(22)-enolide. A cardenolide which is the aglycon of digoxin. Can be obtained by hydrolysis of digoxin or from Digitalis orientalis L. and Digitalis lanata Ehrh.
Long-term changes in the electrophysiological parameters and/or anatomical structures of the HEART ATRIA that result from prolonged changes in atrial rate, often associated with ATRIAL FIBRILLATION or long periods of intense EXERCISE.
Alpha- or beta-acetyl derivatives of DIGOXIN or lanatoside C from Digitalis lanata. They are better absorbed and longer acting than digoxin and are used in congestive heart failure.
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