Study RNLC3131 is a Phase 3, randomized, double-blind, placebo-controlled, multicenter study to assess the efficacy and safety of rifaximin SSD-40mg IR for the delay of the first episode of overt hepatic encephalopathy (OHE) decompensation in liver cirrhosis, defined by the presence of medically controlled ascites.

Key Inclusion Criteria:

• Diagnosis of liver cirrhosis with medically controlled ascites (>30 days) not requiring therapeutic paracentesis (could have had paracentesis in the past).
• Conn (West Haven Criteria) score of < 2.
• Mini-Mental State Examination (MMSE) score > 24 at screening.
• ≥ 18 and ≤ 85 years of age.

Key Exclusion Criteria:

• Active COVID-19 that is unresolved
• History of SBP
• History of EVB or AKI-HRS within 6 months
• History of OHE episode (Conn score ≥ 2)