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Sotalol or Amiodarone

Universitaire Ziekenhuizen KU Leuven · FDA-approved active Small molecule

Sotalol and Amiodarone are antiarrhythmic drugs that block potassium channels and slow electrical conduction in the heart to restore and maintain normal heart rhythm.

Sotalol and Amiodarone are antiarrhythmic drugs that block potassium channels and slow electrical conduction in the heart to restore and maintain normal heart rhythm. Used for Atrial fibrillation for rhythm control and stroke prevention, Ventricular arrhythmias including ventricular tachycardia, Supraventricular tachycardia.

At a glance

Generic nameSotalol or Amiodarone
SponsorUniversitaire Ziekenhuizen KU Leuven
Drug classClass III antiarrhythmic (Sotalol); Class I/II/III/IV antiarrhythmic (Amiodarone)
TargetPotassium channels (hERG); Beta-adrenergic receptors (Sotalol); Sodium channels, potassium channels, beta-adrenergic receptors, calcium channels (Amiodarone)
ModalitySmall molecule
Therapeutic areaCardiovascular
PhaseFDA-approved

Mechanism of action

Sotalol is a Class III antiarrhythmic with beta-blocking properties that prolongs the action potential duration and refractory period. Amiodarone is a Class I, II, III, and IV antiarrhythmic with multiple mechanisms including sodium channel blockade, beta-blockade, potassium channel blockade, and calcium channel antagonism, making it effective against a broad spectrum of arrhythmias.

Approved indications

Common side effects

Key clinical trials

Primary sources

Every claim on this page is sourced from regulatory or scientific primary sources. See our editorial policy for full methodology.

SourceUsed for
ClinicalTrials.govTrial enrolment, design, endpoints, results

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