期刊
WORLD JOURNAL OF GASTROENTEROLOGY
卷 11, 期 48, 页码 7560-7563出版社
BAISHIDENG PUBLISHING GROUP INC
DOI: 10.3748/wjg.v11.i48.7560
关键词
Hepatitis C; Liver fibrosis; Losartan; AT1R; Chronic liver disease; Angiotensin II
AIM: To evaluate the safety and efficacy of chronic administration of losartan on hepatic fibrosis in chronic hepatitis C patients. METHODS: Fourteen patients with chronic hepatitis C non-responders (n = 10), with contraindications (n = 2) or lack of compliance (n = 2) to interferon plus ribavirin therapy and liver fibrosis were enrolled. Liver and renal function test, clinical evaluation, and liver biopsies were performed at baseline and after losartan administration at a dose of 50 mg/d during the 6 mo. The control group composed of nine patients with the same inclusion criteria and paired liver biopsies (interval 6-14 mo). Histological activity index (HAI) with fi brosis stage was assessed under blind conditions by means of Ishak's score. Subendothelial fibrosis was evaluated by digital image analyses. RESULTS: The changes in the fibrosis stage were significantly different between losartan group (decrease of 0.5 +/- 1.3) and controls (increase of 0.89 +/- 1.27; P < 0.03). In the treated patients, a decrease in fi brosis stage was observed in 7/14 patients vs 1/9 control patients (P < 0.04). A decrease in sub-endothelial fi brosis was observed in the losartan group. No differences were found in HAI after losartan administration. Acute and chronic decreases in systolic arterial pressures (P < 0.05) were observed after the losartan administration, without changes in mean arterial pressure or renal function. CONCLUSION: Chronic AT-II type 1 receptor (AT1R) blockade may reduce liver fibrosis in patients with chronic hepatitis C. (C) 2005 The WJG Press and Elsevier Inc. All rights reserved.
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