Overview Efficacy and Safety of Oral Sumatriptan Plus Oral Promethazine in Migraine Treatment Status: Completed Trial end date: 2013-04-01 Target enrollment: Participant gender: Summary The purpose of this study is to show the efficacy of promethazine in management of patients with moderate to severe migraine Phase: Phase 3 Details Lead Sponsor: Shahid Beheshti University of Medical SciencesTreatments: DiphenhydraminePromethazineSumatriptan