Levetiracetam in patients with generalised epilepsy and myoclonic seizures: An open label study

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Purpose: To evaluate the efficacy and tolerability of levetiracetam (LEV) as either 'de novo' (monotherapy) or 'add-on' therapy in patients with different generalised epilepsies characterised by myoclonic seizures from an observational study. Methods: We evaluated 35 patients (21 female, mean age 24.7 years) with different types of generalised epilepsies (juvenile myoclonic epilepsy (JME), severe myoclonic epilepsy of infancy (SMEI), Lennox - Gastaut syndrome (LGS), myoclonic-astatic epilepsy (MAE), myoclonic absences (MA), benign myoclonic epilepsy in infancy (BMEI) and 4 patients had unspecified epileptic syndromes). Patients received LEV as de novo monotherapy or add-on therapy. Seizure frequency changes and adverse events were observed. Follow-up was conducted for a period of 12 months after treatment. Results: Patients received LEV 2000 - 3000 mg/day as de novo (n = 8) and as add-on therapy. In total, 29 (82%) of the 35 patients achieved ≥50% seizure frequency reduction, 15 (42%) patients achieved seizure freedom while a further 14 (40%) patients achieved ≥50 - 99% seizure frequency reduction. Six (17%) patients discontinued LEV due to inefficacy or seizure worsening. Not even a single patient discontinued due to adverse effects. Conclusions: Our results confirm that LEV as de novo (monotherapy) and add-on therapy at doses between 2000 and 3000 mg/day effectively reduces myoclonic seizure frequency in patients with generalised epilepsy. LEV was also well-tolerated. © 2006 British Epilepsy Association. Published by Elsevier Ltd. All rights reserved.




Labate, A., Colosimo, E., Gambardella, A., Leggio, U., Ambrosio, R., & Quattrone, A. (2006). Levetiracetam in patients with generalised epilepsy and myoclonic seizures: An open label study. Seizure, 15(3), 214–218. https://doi.org/10.1016/j.seizure.2005.12.004

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