A Study to Evaluate the Efficacy and Safety of Pegozafermin in Participants With Compensated Cirrhosis Due to MASH

Key Inclusion Criteria: * Males or non-pregnant females aged between 18 and 75 years (inclusive) at time of signing the informed consent form (ICF). * Participants must have type 2 diabetes mellitus diagnosed at least 3 months before screening or at least 2 metabolic risk factors. * Evidence of both cirrhosis and MASH etiology, either through a historical biopsy or a biopsy at Screening. * Clinical diagnosis of cirrhosis based on the NIT algorithm. Key Exclusion Criteria: * Liver disorder other than MASH. * History or evidence of hepatic decompensation. * History or evidence of hepatocellular carcinoma. * Have type 1 diabetes mellitus or poorly controlled type 2 diabetes mellitus. * ALT or aspartate aminotransferase (AST) ≥250 units per liter (U/L). * Participants taking vitamin E (\>400 international units \[IU\]/day) must be on stable dose for at least 6 months prior to screening. Other protocol-defined inclusion and exclusion criteria may apply.