Primary objective The Objective of this study is to compare 2-year retention rate of topiramate, levetiracetam and oxcarbazepine in a long term epilepsy treatment.~Secondary objective The main secondary objective of this study is to evaluate confounding factors associated with retention rate of topiramate compared with other anticonvulsants.~Baseline characteristics~Seizure Type~Gender~Age of onset~Treatment regimen~Number of concomitant medication~Type of drug combination~Final target dose~Titration speed~Other secondary objectives~The other secondary objectives of this study are to compare followings by each medication:~Rate of seizure reduction (≥75%, ≥50%)~Rate of seizure freedom
The Objective of this study is to compare 2-year retention rate of topiramate, levetiracetam and oxcarbazepine in a long term epilepsy treatment.