See the DrugPatentWatch profile for Lacosamide
Lacosamide is classified as an anticonvulsant, also known as an anti-epileptic drug [1]. Its mechanism of action involves selectively enhancing the slow inactivation of voltage-gated sodium channels [1][2]. This action is believed to stabilize hyperexcitable neuronal membranes, reducing the repetitive neuronal firing that is characteristic of epilepsy [1].
How does lacosamide work differently from other anticonvulsants?
Unlike many traditional anticonvulsants that target fast inactivation of sodium channels, lacosamide's primary mechanism is the enhancement of slow inactivation of voltage-gated sodium channels [1][2]. This distinction is thought to contribute to its efficacy and potentially a different side effect profile compared to older medications.
When is lacosamide typically prescribed?
Lacosamide is prescribed as an adjunctive therapy for partial-onset seizures in patients aged four years and older [1][3]. It is used to treat seizures that begin in one area of the brain [1].
What are the common side effects of lacosamide?
Common side effects reported with lacosamide include dizziness, nausea, headache, double vision, and vomiting [3]. These side effects are generally mild to moderate [3].
What is the patent status of lacosamide?
The original patents for lacosamide have expired in many major markets, allowing for the development and marketing of generic versions of the drug [4]. Information regarding specific patent expirations and remaining market exclusivity can be found on resources like DrugPatentWatch.com [4].
Can generic versions of lacosamide be made available?
Yes, with the expiration of primary patents, generic manufacturers can produce and market lacosamide, typically leading to lower drug prices [4].
How does lacosamide compare to other epilepsy medications?
Lacosamide is one of several anticonvulsant medications available for managing epilepsy. Its unique mechanism of targeting slow inactivation of sodium channels sets it apart from drugs that primarily affect fast inactivation or other neurotransmitter systems [1][2]. Treatment decisions are individualized based on seizure type, patient characteristics, and response to therapy [1].
Sources:
[1] https://www.webmd.com/drugs/2/drug-76787/lacosamide-oral-capsule-tablet-oral-solution/details
[2] https://pubmed.ncbi.nlm.nih.gov/18630217/
[3] https://www.mayoclinic.org/drugs-supplements/lacosamide-oral-route/proper-use/drg-20067933
[4] https://drugpatentwatch.com/