Overview Comparison of a Drug and Placebo in the Prevention of Migraine Headaches Status: Terminated Trial end date: 2014-04-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine whether ethosuximide works better than placebo in the prevention of episodic migraine among veterans. Phase: Phase 1/Phase 2 Details Lead Sponsor: US Department of Veterans AffairsVA Office of Research and DevelopmentCollaborators: Thomas Jefferson UniversityUniversity of PittsburghTreatments: Ethosuximide