Overview Efficacy and Safety of Vonoprazan Compared to Lansoprazole in Participants With Erosive Esophagitis Status: Completed Trial end date: 2021-08-24 Target enrollment: Participant gender: Summary To evaluate the efficacy and safety of vonoprazan compared to lansoprazole in participants with erosive esophagitis. Phase: Phase 3 Details Lead Sponsor: Phathom Pharmaceuticals, Inc.Treatments: DexlansoprazoleLansoprazole