Journal
EPILEPSY & BEHAVIOR
Volume 6, Issue 3, Pages 382-387Publisher
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.yebeh.2005.01.008
Keywords
epilepsy; antiepileptic drugs; treatment; response; side effects
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The response to antiepileptic drugs (AEDs) has been examined in 780 adult and adolescent patients with newly diagnosed epilepsy presenting with a range of seizure types and epilepsy syndromes over a 20-year period. Carbamazepine (CBZ, n = 312), sodium valproate (VPA, n = 315), and lamotrigine (LTG, n = 249) were the most common AEDs prescribed as monotherapy. More patients with localization-related epilepsies became seizure free with LTG (63%) than with CBZ (45%, P = 0.006) or VPA (42%, P = 0.006). For idiopathic generalized epilepsies a greater proportion of patients achieved control with VPA (68%) than with CBZ (31%) or LTG (45%). In particular, more patients with juvenile myoclonic epilepsy responded to VPA (75%) compared with LTG (39%, P = 0.014). Seizure freedom was achieved with modest or moderate daily doses (median CBZ 400 mg, VPA 1000 mg, (LTG) 150 mg) of all three AEDs in the majority of patients achieving remission. Time to first seizure did not differ among these three drugs when given as first treatment. Adverse effects leading to withdrawal were more frequent with CBZ (16%,) than with VPA (7%, P = 0.03) or LTG (7%, P = 0.018). In patients failing initial monotherapy, response to a combination of two AEDs (27%) was not different from that with alternative monotherapy (32%). The majority of patients with newly diagnosed epilepsy responding to treatment did so rapidly and completely with moderate doses of AEDs, with no differences in time to first seizure. (c) 2005 Elsevier Inc. All rights reserved.
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