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The Effects of Rosiglitazone, Metformin, and Diet with Exercise in Nonalcoholic Fatty Liver Disease

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Abstract

Our aım was to evaluate effects of metformin, rosiglitazone, and diet with exercise in nonalcoholic fatty liver disease. Forty-seven patients (mean age, 44±10 years; 17 female) whose ALT levels had been high for at least 6 months and with hepatosteatosis detected by liver biopsy and/or USG were enrolled in this study. Of these, 12 were treated with 850 mg/day metformin (group 1), 11 with 4 mg/day rosiglitazone (group 2), and 24 with diet and exercise (group 3) for 1 year. ALT normalization at months 6 and 12 was accepted as treatment response. Liver biopsy was performed in all patients in groups 1 and 2 before treatment and 12 patients (4 in group 1, 8 in group 2) after treatment; but in group 3 it was performed only in patients who approved this procedure (12 patients). Body mass index did not change in groups 1 and 2, but it decreased significantly in group 3 (30±3 to 28±2 kg/m2) at month 12. Treatment response rate was 33.3, 54.5, and 54.2% in groups 1, 2, and 3, respectively, at month 6. This rate was 22.2, 37.5, and 41.2 in groups 1, 2, and 3, respectively, at month 12. Rate of steatosis and stage of fibrosis did not change after treatment. Diet with exercise seems to be superior to metformin and rosiglitazone. Decreasing treatment response at month 12 compared to month 6 may be due to fluctuations of ALT levels. Treatment response should be evalulated histologically.

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Authors and Affiliations

  1. Department of Gastroenterohepatology İstanbul University, İstanbul Faculty of Medicine, Istanbul, Turkey

    Filiz Akyüz, Kadir Demir, Sadakat Özdil, Nevzat Aksoy, Şule Poturoğlu, Duygu İbrişim, Sabahattin Kaymakoğlu, Fatih Beşışık, Güngör Boztaş, Yılmaz Çakaloğlu, Zeynel Mungan & Atilla Ökten

  2. Department of Pathology, İstanbul University, İstanbul Faculty of Medicine, Istanbul, Turkey

    Uğur Çevikbaş

  3. Şakacı sok. Birlik, Apt. No. 43/6 Kazasker, 81090, İstanbul, Turkey

    Filiz Akyüz

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Correspondence to Filiz Akyüz.

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Akyüz, F., Demir, K., Özdil, S. et al. The Effects of Rosiglitazone, Metformin, and Diet with Exercise in Nonalcoholic Fatty Liver Disease. Dig Dis Sci 52, 2359–2367 (2007). https://doi.org/10.1007/s10620-006-9145-x

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  • DOI: https://doi.org/10.1007/s10620-006-9145-x

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