Overview Cognitive Effects of Immediate Release Topiramate vs Extended Release Topiramate in Patients With Migraine Status: Withdrawn Trial end date: 2018-09-13 Target enrollment: Participant gender: Summary Crossover, randomized, double blind: Q12h dosing in both periods; matching placebo for evening dosing during XR treatment; target dose: 100mg Phase: Phase 2 Details Lead Sponsor: University of MinnesotaUniversity of Minnesota - Clinical and Translational Science InstituteCollaborator: Supernus Pharmaceuticals, Inc.Treatments: Topiramate