Comparison of long-term efficacy, tolerability, and safety of oxcarbazepine, lamotrigine, and levetiracetam in patients with newly diagnosed focal epilepsy: An observational study in the real world.

Epilepsy Research
Rong LiSongqing Pan

Abstract

We performed observational cohort study to compare the long-term efficacy, tolerability, and safety of oxcarbazepine (OXC), lamotrigine (LTG), and levetiracetam (LEV) monotherapy for newly diagnosed focal epilepsy patients. Three hundred and eighty eight newly diagnosed focal epilepsy patients aged 1-70 years were enrolled in this study between June 2009 and March 2016. Among the patients, 191 were treated with OXC, 98 were treated with LTG, and 99 were treated with LEV monotherapy. The study was performed in a real-world setting and the primary outcomes were the one-year and three-year seizure-free rates. The secondary outcomes were the one-year and three-year withdrawal rates, the time to treatment withdrawal, the time to the first seizure, and the time to achieve one-year remission. The three-year seizure-free rates with LTG (39.8 %) and LEV (41.4 %) were significantly better than that with OXC (26.2 %) (both P < 0.05). However, no significant difference was observed among the three drugs for the one-year seizure-free rate. The three-year withdrawal rate was 50.8 %, 46.9 %, and 43.4 % for OXC, LTG, and LEV, respectively (all P > 0.05). The one-year withdrawal rate for OXC (31.7 %) was higher than those for LTG (30.6 %) and L...Continue Reading

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