Nonalcoholic steatohepatitis, a chronic liver disease without an approved therapy, is associated with lipotoxicity and insulin resistance and is a major cause of cirrhosis and hepatocellular carcinoma.Aramchol, a partial inhibitor of hepatic stearoyl-CoA desaturase (SCD1) improved steatohepatitis and fibrosis in rodents and reduced steatosis in an early clinical trial. ARREST, a 52-week, doubleblind, placebo-controlled, phase 2b trial randomized 247 non-alcoholic steatohepatitis (NASH) patients (101, 98, 48 in aramchol 400mg, 600mg, placebo, respectively; NCT 02279524). The primary endpoint was a decrease in hepatic triglycerides by magnetic resonance spectroscopy at 52 weeks with a dose of 600 mg of aramchol. Key secondary endpoints included liver histology and ALT. Aramchol 600 mg produced a placebo-corrected decrease in liver triglycerides without meeting the prespecified significance (-3.1, 95%CI -6.4 to 0.2, p=0.06), precluding further formal statistical analysis. NASH resolution without worsening fibrosis was achieved in 16.7% (13/78) of aramchol 600 mg versus 5% (2/40) of the placebo arm (OR=4.74, 95% CI:0.1-22.7) and fibrosis improvement Vlad Ratziu, Study Design, Patient Recruitment and Treatment, Data Analyses and Interpretation, member of study advisory committee, Manuscript Writing

Current NAFLD management is rapidly evolving, and new pathophysiology-based therapies are expected to be introduced in the near future. All NAFLD patients should be evaluated using a three-focused approach that considers the risks of liver disease, diabetes and cardiovascular events.

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Based on the available evidence the expert panel was able to discriminate the most appropriate therapeutic alternatives for the treatment of HRS-1.