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New antiepileptic drugs
1Department of Neurology, Columbia Comprehensive Epilepsy Center, New York-Presbyterian Medical Center, New York, NY 10032, USA. cwb11@columbia.edu
The Neurologist
|June 14, 2003
Summary
Newer anticonvulsant drugs offer improved tolerability and fewer drug interactions for epilepsy patients. This allows for personalized treatment, potentially leading to complete seizure freedom and reduced adverse effects.
Area of Science:
- Neurology
- Pharmacology
Background:
- Eight novel anticonvulsant drugs and two new intravenous preparations introduced in the U.S. over the last decade.
- Ongoing research refines the roles of these medications in epilepsy treatment.
Purpose of the Study:
- To review the efficacy and tolerability of recently introduced anticonvulsant drugs.
- To compare newer antiepileptic drugs with older agents.
Main Methods:
- Review of clinical data and research findings on novel anticonvulsant medications.
- Analysis of drug-drug interactions and tolerability profiles.
Main Results:
- Gabapentin, tiagabine, oxcarbazepine effective for partial seizures; felbamate, lamotrigine, topiramate, levetiracetam, zonisamide effective for partial and generalized seizures.
- Newer agents generally have fewer drug-drug interactions and better tolerability than older drugs like phenytoin and carbamazepine.
- Fosphenytoin and intravenous valproate offer specific advantages for certain patient populations.
Conclusions:
- Increased availability of antiseizure drugs enables tailored treatment, minimizing adverse effects.
- Some patients achieve seizure freedom with newer drugs even after treatment failure with older medications.