Cramer, J A; Ben Menachem, E; French, J
"Review of treatment options for refractory epilepsy: new medications and vagal nerve stimulation"
Epilepsy research 2001 Nov; 47(1-2):17-25
- PURPOSE: the choices available for patients whose partial seizures are poorly controlled include seven new antiepileptic drugs (AEDs) or vagal nerve stimulation (VNS) as add-on therapy. Comparisons are needed to help physicians and patients select among the options for treatment. METHODS: we compared efficacy and adverse events of new treatments from controlled clinical trials of patients with uncontrolled partial seizures. Response rates (> or =50% decrease in partial seizures) at doses recommended in product labeling for adjunct therapy were tabulated for overall success (placebo response rate subtracted from AED response rate). Adverse events listed in product labeling were tabulated as complaint rates (placebo events subtracted from AED events). VNS trials used low dose stimulation as a pseudo-placebo. RESULTS: overall success rates fell into two general groups with ranges of 12-20% for gabapentin (GBP), lamotrigine (LTG), tiagabine (TGB), zonisamide and 27-29% for levetiracetam, oxcarbazepine, and topiramate (TPM). Summary Complaint Scores also fell into two general groups with ranges of -27 to -82 for GBP, levetiracetam, TGB, zonisamide and -113 to -205 for LTG, oxcarbazepine and TPM. VNS scores were in the lower or higher success and summary complaint categories depending on whether scores from the pseudo-placebo group were subtracted from the high dose group. CONCLUSIONS: these data allow comparisons among AEDs and VNS using similar data from standard types of clinical trials
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# 102107 (MEDL:11673017)
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