Overview Efficacy and Safety of TAK-438 Compared to AG-1749 (Lansoprazole) in the Treatment of Duodenal Ulcer Status: Completed Trial end date: 2013-02-01 Target enrollment: Participant gender: Summary The purpose of this study is to determine the efficacy of TAK-438, once daily (QD), compared to lansoprazole in patients with duodenal ulcer. Phase: Phase 3 Details Lead Sponsor: TakedaTreatments: DexlansoprazoleLansoprazole