Overview A Study to Evaluate the Efficacy and Tolerability of Rizatriptan for Treatment of Acute Migraine (0462-087) Status: Completed Trial end date: 2010-01-12 Target enrollment: Participant gender: Summary A study to provide evidence supporting the benefit of Rizatriptan in patients who have an inadequate response to sumatriptan. Phase: Phase 3 Details Lead Sponsor: Merck Sharp & Dohme Corp.Treatments: RizatriptanSumatriptan