• Galip Ersöz, Fulya Günşar, Zeki Karasu, Sinan Akay, Yücel Batur, and Ulus Salih Akarca.
• Department of Gastroenterology, Ege University Medical School, Izmir, Turkey.
• Turk J Gastroenterol. 2005 Sep 1;16(3):124-8.

Background/AimsDespite a proposed role of oxidative stress in the pathogenesis of nonalcoholic steatohepatitis, antioxidant approaches have not been investigated sufficiently in the therapy of nonalcoholic steatohepatitis. Our aim was to determine whether vitamin E plus C therapy is effective in normalization of liver enzymes compared to ursodeoxycholic acid treatment in patients with fatty liver disease.MethodsThis was an open-labeled, prospective, randomized study enrolling patients with histologically proven fatty liver disease who had chronically elevated alanine aminotransferase, despite a three-month reducing diet. Patients consuming alcohol (more than 20 g/day) were excluded. The patients were randomly prescribed either oral vitamin E (600 IU/day) plus vitamin C (500 mg/day) or ursodeoxycholic acid (10 mg/kg/day). Patients were randomized as two groups to receive vitamin E plus vitamin C combination (28 patients, 10 F) or ursodeoxycholic acid treatment (29 patients, 13 F).ResultsThere was no significant change in body mass index before and after the treatment in both groups. At the end of six months of therapy, serum aspartate aminotransferase and aminotransferase levels significantly decreased in both treatment options. Vitamin E and C combination was more efficacious on serum aminotransferase levels than ursodeoxycholic acid, but the difference was not significant. Alanine aminotransferase decreased to normal levels in 17 of 27 (63%) and in 16 of 29 patients (55%), respectively, in the two groups. Gamma-glutamyl transpeptidase decreased in patients receiving ursodeoxycholic acid, but no change was obtained in the vitamin-treated patients.ConclusionsVitamin E plus C combination treatment is a safe, inexpensive and effective treatment option in patients with fatty liver disease, with results comparable to those obtained with ursodeoxycholic acid. Since more effective new therapeutic options are lacking, patients with fatty liver disease should be encouraged to take vitamin E and C supplements, which are safe and affordable.

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