Overview A 6-month Efficacy, Safety, and Tolerability Study of Rifaximin In Preventing Hepatic Encephalopathy Status: Completed Trial end date: 2008-08-15 Target enrollment: Participant gender: Summary The purpose of this study is to determine if the study drug is safe and effective in preventing hepatic encephalopathy (HE). Phase: Phase 3 Details Lead Sponsor: Bausch Health Americas, Inc.Valeant Pharmaceuticals International, Inc.Treatments: RifamycinsRifaximin