Sodium Channel Blockers in the Treatment of Epilepsy

被引:100
作者
Brodie, Martin J. [1 ]
机构
[1] West Glasgow ACH Yorkhill, Epilepsy Unit, Dalnair St, Glasgow G3 8SJ, Lanark, Scotland
关键词
CONTROLLED-RELEASE CARBAMAZEPINE; PLACEBO-CORRECTED EFFICACY; PARTIAL-ONSET SEIZURES; ANTIEPILEPTIC DRUGS; ESLICARBAZEPINE ACETATE; DOUBLE-BLIND; LACOSAMIDE MONOTHERAPY; SLOW INACTIVATION; RISK-FACTORS; PHASE-III;
D O I
10.1007/s40263-017-0441-0
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
Sodium channel blockers have been the mainstay of the pharmacological management of focal and generalised tonic-clonic seizures for more than 70 years. The focus of this paper will be on phenytoin, carbamazepine, lamotrigine, oxcarbazepine, rufinamide, lacosamide and eslicarbazepine acetate. All these antiepileptic drugs have similar efficacy and share similar dose-dependent, adverse effect profiles, although phenytoin, carbamazepine and oxcarbazepine are more likely to cause idiosyncratic reactions than the others. With the exception of lamotrigine, rufinamide and lacosamide, all are enzyme inducers and most are minor teratogens; although data on teratogenicity are sparse with lacosamide and eslicarbazepine acetate. There is increasing evidence that these drugs differ mechanistically, with the newer agents, lacosamide and eslicarbazepine acetate, having their major pharmacological effect on the slow inactivation state of the sodium channel, which may be associated with better tolerability at higher dosage, although hard evidence in support of this observation is currently not available. Rufinamide is licensed only for Lennox-Gastaut syndrome in children aged 4 years and above. There is a move away from using enzyme inducers, particularly phenytoin and carbamazepine, in everyday clinical practice. There seems little doubt, however, that some sodium channel blockers will have an enduring place in the management of epilepsy well into the 21st century.
引用
收藏
页码:527 / 534
页数:8
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