Available datapackage for study 'A Double-Blind, Randomized, Placebo-Controlled, Multicenter Trial to Investigate the Efficacy and Tolerability of Topiramate in Prolonged Migraine Prevention'

The purpose of this study is to evaluate the safety and effectiveness (beyond 6 months) of individualized doses (100 to 200 milligrams) of topiramate for the prevention of migraine headaches over a period of 26 weeks.