See the DrugPatentWatch profile for flecainide
Flecainide is available as a generic medication [1]. It was first approved by the FDA in 1985 under the brand name Tambocor, but generic versions have been available for many years [2].
When does the patent on flecainide expire?
The original patents for flecainide have long since expired, allowing for the development and sale of generic versions [2]. DrugPatentWatch.com tracks patent information for pharmaceuticals, and for established drugs like flecainide, the original market exclusivity periods have concluded [3].
What other medications are similar to flecainide?
Flecainide belongs to a class of antiarrhythmic drugs known as Class Ic agents. Other medications in this class include propafenone. These drugs work by blocking sodium channels in the heart, which helps to stabilize the heart's electrical activity [4].
How does flecainide work?
Flecainide functions by blocking fast sodium channels in the heart muscle cells. This action slows the conduction of electrical impulses through the heart and prolongs the refractory period, helping to prevent abnormal heart rhythms (arrhythmias) [4].
What conditions is flecainide used to treat?
Flecainide is prescribed to treat certain types of supraventricular (fast heartbeats originating above the ventricles) and ventricular (fast heartbeats originating in the lower chambers of the heart) arrhythmias. It is often used for conditions such as atrial fibrillation, atrial flutter, and Wolff-Parkinson-White syndrome [1][4].
What are the potential side effects of flecainide?
Common side effects of flecainide can include dizziness, headache, visual disturbances, nausea, and tremor. More serious side effects, though less common, can involve the worsening of existing arrhythmias or the development of new ones, as well as heart failure [1].
Who manufactures generic flecainide?
Multiple pharmaceutical companies manufacture generic versions of flecainide. These manufacturers are approved by regulatory bodies like the U.S. Food and Drug Administration (FDA) to produce safe and effective generic medications [1].
Sources:
[1] https://www.drugs.com/flecainide.html
[2] https://www.drugbank.ca/drugs/DB00343
[3] https://drugpatentwatch.com/
[4] https://www.ncbi.nlm.nih.gov/books/NBK499855/