The study will assess the efficacy and safety of 2 dose regimens of pegozafermin compared to placebo for the treatment of liver fibrosis stage F2 or F3 in adult participants with MASH.
Who can participate
Key Inclusion Criteria:
* Males or non-pregnant females aged between 18 and 80 years (inclusive) at time of signing the informed consent form (ICF)
* Biopsy-confirmed MASH with fibrosis stage F2 or F3
* Body mass index (BMI) at screening ≥25.0 kilograms (kg)/meters squared (m\^2) (≥23 kg/m\^2 for Asian participants).
Key Exclusion Criteria:
* Chronic liver diseases other than MASH
* Evidence of cirrhosis on screening liver biopsy
* Have type 1 diabetes or poorly controlled type 2 diabetes
* Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) ≥250 units per liter (U/L)
* Participants taking vitamin E (\>400 international units \[IU\]/day) or pioglitazone must be on stable dose for at least 6 months prior to Screening
Other inclusion and exclusion criteria may apply.
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