PROPAFENONE SUMMARY
Propafenone hydrochloride is an antiarrhythmic drug supplied in scored, film-coated tablets of 150, 225 and 300 mg for oral administration. Propafenone has some structural similarities to beta-blocking agents.
In patients without structural heart disease, propafenone is indicated to prolong the time to recurrence of
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paroxysmal atrial fibrillation/flutter (PAF) associated with disabling symptoms.
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paroxysmal supraventricular tachycardia (PSVT) associated with disabling symptoms.
As with other agents, some patients with atrial flutter treated with propafenone have developed 1:1 conduction, producing an increase in ventricular rate. Concomitant treatment with drugs that increase the functional AV refractory period is recommended.
The use of propafenone HCl in patients with chronic atrial fibrillation has not been evaluated. Propafenone HCl should not be used to control ventricular rate during atrial fibrillation.
Propafenone HCl is also indicated for the treatment of
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documented ventricular arrhythmias, such as sustained ventricular tachycardia, that, in the judgment of the physician, are life-threatening. Because of the proarrhythmic effects of propafenone HCl, its use with lesser ventricular arrhythmias is not recommended, even if patients are symptomatic, and any use of the drug should be reserved for patients in whom, in the opinion of the physician, the potential benefits outweigh the risks.
Initiation of propafenone HCl treatment, as with other antiarrhythmics used to treat life-threatening ventricular arrhythmias, should be carried out in the hospital.
Propafenone HCl, like other antiarrhythmic drugs, has not been shown to enhance survival in patients with ventricular or atrial arrhythmias.
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NEWS HIGHLIGHTS
Published Studies Related to Propafenone
Comparative bioavailability of propafenone after administration of a magistral suspension vs. commercial tablets in healthy volunteers. [2009] Propafenone (CAS 34183-22-7) is an effective antiarrhythmic drug used in children, although in some countries no specific pediatric formulation is available.
Efficacy and tolerability of oral propafenone versus quinidine in the treatment of recent onset atrial fibrillation: A randomized, prospective study. [2009] BACKGROUND: A prospective, randomized study was conducted to evaluate the efficacy and tolerability of oral propafenone and quinidine for the conversion of paroxysmal atrial fibrillation (AF)... CONCLUSIONS: Although both drugs revealed the same effectiveness, the conversion to sinus rhythm in the group treated with propafenone was observed more quickly despite the longer paroxysmal AF episode duration.
Propafenone for the prevention of atrial tachyarrhythmias after cardiac surgery: a randomized, double-blind placebo-controlled trial. [2008.07] We studied the efficacy of propafenone in preventing atrial tachyarrhythmias after cardiac surgery, and the possible relationships between CYP2D6 polymorphism and the efficacy, pharmacokinetics, and tolerability of propafenone. One hundred and sixty patients were randomized (double blind) to receive propafenone (n= 78) or placebo (n= 82) for 1 week after cardiac surgery.
Propafenone for the Prevention of Atrial Tachyarrhythmias After Cardiac Surgery: A Randomized, Double-blind Placebo-controlled Trial. [2008.01.02] We studied the efficacy of propafenone in preventing atrial tachyarrhythmias after cardiac surgery, and the possible relationships between CYP2D6 polymorphism and the efficacy, pharmacokinetics, and tolerability of propafenone. One hundred and sixty patients were randomized (double blind) to receive propafenone (n= 78) or placebo (n= 82) for 1 week after cardiac surgery.
Propafenone added to ibutilide increases conversion rates of persistent atrial fibrillation. [2006.05] CONCLUSION: Concurrent administration of propafenone plus ibutilide for pharmacological cardioversion of persistent AF is safe and more effective than ibutilide alone.
Clinical Trials Related to Propafenone
Efficacy of Propafenone Versus Dronedarone for the Maintenance of Sinus Rhythm in Patients With Atrial Fibrillation [Completed]
Bioequivalence of RYTHMOL SR� Manufactured at Two Different Sites [Completed]
Bioequivalence of propafenone hydrochloride capsules manufactured at two different sites
Antiarrhythmic Drugs Assessment in Preventing Atrial Fibrillation [Not yet recruiting]
The current evidences indicate that ~30% patients with sick sinus syndrome(SSS) would
develop persistent atrial fibrillation (AF) after a long term pacing therapy. However, the
accurate influence of antiarrhythmic drugs on the AF is still not well defined. The purpose
of the study is to assess the therapeutic effects of various antiarrhythmic drugs
(Amiodarone, Sotalol and Propafenone) on the long term management of AF in SSS patients with
AF, including the reduced AF burden (duration and episodes) and persistent AF free survival
rate. All patients will be followed up for 12 months.
A Clinical Study of the Arctic Front Cryoablation Balloon for the Treatment of Paroxysmal Atrial Fibrillation [Completed]
This study (STOP AF) is a prospective, randomized, controlled, multicenter, pivotal clinical
investigation conducted at 26 investigational sites in the United States and Canada.
Subjects with paroxysmal atrial fibrillation (PAF) referred for ablative intervention after
efficacy failure of one or more Study Atrial Fibrillation (AF) Drugs (flecainide,
propafenone or sotalol) were randomized 2: 1 to cryoablation intervention (Experimental
Subjects, ES) or to a Study AF Drug (Control Subjects, CS). Subjects were followed for 12
months with scheduled and symptom-driven assessments to detect recurrent atrial fibrillation
by means of periodic electrocardiograms, weekly scheduled trans-telephonic monitoring,
patient-initiated trans-telephonic monitoring, and 24-hour Holter monitoring at 6 and 12
months. The first 90 days after study therapy was initiated was considered a blanked period
for all subjects.
Efficacy and Safety of Electrical Versus Pharmacological Cardioversion in Early Atrial Fibrillation [Completed]
The optimal strategy to restore sinus rhythm in patients with atrial fibrillation (AF) of
less than 48 hours' duration is still controversial. The investigators performed a
controlled single-center trial to compare electrical and pharmacological (propafenone)
cardioversion to restore the sinus rhythm in selected patients with acute atrial
fibrillation.
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Page last updated: 2010-10-05
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