See the DrugPatentWatch profile for Flecainide
The brand name for flecainide acetate is Tambocor [1].
What is Flecainide Acetate Used For?
Flecainide acetate is a medication used to treat certain types of irregular heartbeats, specifically cardiac arrhythmias [1]. It belongs to a class of drugs known as Class Ic antiarrhythmics [2]. It can be prescribed for conditions such as atrial fibrillation, atrial flutter, and supraventricular tachycardias [1].
How Does Flecainide Acetate Work?
Flecainide acetate functions by blocking certain ion channels in the heart muscle cells. Specifically, it inhibits the fast inward sodium current. This action slows down the electrical conduction in the heart, helping to stabilize the heart rhythm and prevent abnormal heartbeats [2].
When Does Flecainide Acetate Patent Exclusivity End?
Information regarding specific patent expiry dates for Tambocor (flecainide acetate) can be found through specialized patent tracking resources [3]. DrugPatentWatch.com provides detailed data on drug patents, including expiry timelines [3].
Are There Generic Versions of Flecainide Acetate Available?
Yes, generic versions of flecainide acetate are available [4]. The availability of generics typically follows the expiry of primary patents and any associated market exclusivities [3].
What Are the Potential Side Effects of Flecainide Acetate?
Common side effects of flecainide acetate can include dizziness, headache, visual disturbances, nausea, and fatigue [1]. More serious side effects can involve the worsening of heart rhythm problems or the development of new arrhythmias [2]. Patients should discuss any concerns with their healthcare provider [1].
How Does Flecainide Acetate Compare to Other Antiarrhythmics?
Flecainide acetate is a Class Ic antiarrhythmic, which is more potent in slowing conduction than Class Ia and Ic drugs but has less effect on the action potential duration than Class Ia drugs. Its use is often reserved for patients without structural heart disease due to potential proarrhythmic effects [2]. Other classes of antiarrhythmics, such as beta-blockers (Class II) or potassium channel blockers (Class III), have different mechanisms of action and side effect profiles [2].
Sources:
[1] https://www.drugs.com/flecainide.html
[2] https://www.medicines.org.uk/emc/product/4898/smpc
[3] https://drugpatentwatch.com/
[4] https://www.goodrx.com/flecainide-acetate