• Michel Baulac, Teresa Leon, Terence J O'Brien, Edward Whalen, and Jeannette Barrett.
• Hopital Pitié-Salpêtrière, APHP, Universite PARIS VI and INSERM UMR_S 975, Cortex & Epilepsy, Clinique Neurologique, Hopital de la Pitié-Salpêtrière, Paris, France. michel.baulac@psl.aphp.fr
• Epilepsy Res. 2010 Sep 1; 91 (1): 10-9.

PurposeThis study assessed the comparative efficacy of pregabalin for refractory partial seizures.MethodsFour-hundred and thirty-four patients with partial seizures were randomized to pregabalin, lamotrigine, or placebo as adjunctive therapy for 17 weeks of double-blind treatment. In phase I (11 weeks), pregabalin was titrated over 1 week and lamotrigine over 5 weeks to fixed dosages of 300mg/day for both. In phase II (6 weeks), patients not yet seizure-free were increased to pregabalin 600mg/day or lamotrigine 400mg/day.ResultsDuring phase I, there was a nonsignificant trend toward a greater reduction in seizures with pregabalin versus placebo and lamotrigine. Across the 17 weeks of treatment, pregabalin showed a median percentage reduction from baseline in seizure frequency of -20.0% (p=.001) versus placebo, and -9.7% (p=.080) versus lamotrigine. The responder rate (> or =50% reduction in seizure frequency) for pregabalin exceeded that of placebo (36% vs 21%; p=.007) and lamotrigine (36% vs 24%; p=.04). Adverse events were consistent with the known safety profiles of pregabalin and lamotrigine.DiscussionPregabalin was demonstrated to be noninferior to lamotrigine in the treatment of refractory partial seizures. Overall conclusions were complicated by an unusually large and heterogeneous placebo response.Copyright 2010. Published by Elsevier B.V.

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