Rational polytherapy with lacosamide in clinical practice: Results of a Spanish cohort analysis RELACOVA
2012
Abstract There has been little long-term success with polytherapy for patients with refractory partial-onset epilepsy. The rational combination of antiepileptic drugs based on their mechanism of action may help improve treatment efficacy and tolerability. Lacosamide, a novel sodium channel blocker (SCB), was investigated in 158 patients with partial-onset epilepsy in the prospective, multicenter, observational, RELACOVA cohort study conducted in Spain. After 12 months' treatment with lacosamide, 47% of patients were responders (≥ 50% reduction in seizure frequency) and 24% were seizure free. Lacosamide was well tolerated; dizziness was the most frequent adverse event. Efficacy was better (responder rate, 65% vs 38%; seizure free rate, 35% vs 17%) and there was a lower adverse event rate (33% vs 58%) in patients receiving non-SCBs (n = 49) versus those receiving SCBs (n = 104) as concomitant therapy at baseline. Further investigation of lacosamide combination therapy is warranted.
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