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  • Title: A pilot study of orlistat treatment in obese, non-alcoholic steatohepatitis patients.
    Author: Harrison SA, Fincke C, Helinski D, Torgerson S, Hayashi P.
    Journal: Aliment Pharmacol Ther; 2004 Sep 15; 20(6):623-8. PubMed ID: 15352910.
    Abstract:
    BACKGROUND: Treatment options for non-alcoholic steatohepatitis (NASH) are limited. Weight loss remains the most recommended therapy. Orlistat is an effective adjunct to dietary weight loss therapy. AIM: To evaluate the efficacy of orlistat, given for 6 months to patients with obesity and biopsy confirmed NASH. METHODS: Ten obese patients with biopsy proven NASH were enrolled. Orlistat was given with meals for 6 months. Body Mass Index (BMI), liver enzymes, haemoglobin A1c, fasting lipids and glucose were assessed at baseline and at completion of the study. Paired liver histology was obtained. RESULTS: Six women and four men were enrolled. The mean weight loss was 22.7 lb and ranged from 0 to 24.3%. The following clinical values significantly improved: mean BMI: 43.4-39.8 (P = 0.007); mean haemoglobin A1c (%): 7.14-5.95 (P = 0.021); mean alanine aminotransferase (ALT) (U/L): 93 -54 (P = 0.009); and mean aspartate aminotransferase (AST) (U/L): 79-48 (P = 0.008). Steatosis improved in six patients, and fibrosis improved in three patients. CONCLUSIONS: Orlistat therapy and dietary counselling were associated with significant decreases in body weight, haemoglobin A1c, ALT and AST. A 10% or greater reduction in weight improved steatosis and fibrosis as well as haemoglobin A1c levels in the majority of patients treated for 6 months. Controlled trials of longer duration are warranted to assess for histopathologic improvement as well as cost-efficacy in comparison to diet and exercise alone.
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