Overview Efficacy Study of Ilaprazole to Treat Erosive Esophgitis Status: Completed Trial end date: 2011-06-01 Target enrollment: Participant gender: Summary This study compared Ilaprazole 20mg with lansoprazole 30mg for the healing of erosive esophagitis and resolution of heartburn. Phase: Phase 3 Details Lead Sponsor: Il-Yang Pharm. Co., Ltd.Treatments: DexlansoprazoleLansoprazole