Abstract:
:Spironolactone and furosemide, which are used to treat ascites associated with decompensated cirrhosis, are ineffective in treating refractory ascites. Hence, combination therapy with tolvaptan, a vasopressin V2 receptor antagonist, has been approved in Japan. Tolvaptan monotherapy and combination therapy with furosemide inhibit fibrosis in cardiac remodeling; hence, we examined these therapies in a rat cirrhotic model, including their usefulness in inhibiting hepatic fibrosis. In the present study, we used a model of hepatic fibrosis induced by a choline-deficient l-amino-acid-defined diet + diethylnitrosamine. Rats were divided into a low-dose furosemide group (15 mg/kg/day), a high-dose furosemide group (100 mg/kg/day), a tolvaptan monotherapy group (10 mg/kg/day), a low-dose furosemide/tolvaptan combination therapy group, and a control group which received neither furosemide nor tolvaptan; we then assessed diuretic effects and hepatic fibrosis. The tolvaptan monotherapy group and the furosemide/tolvaptan combination therapy group demonstrated significantly higher urine volume than the control group and the low-dose furosemide group. In addition, tolvaptan monotherapy and low-dose furosemide/tolvaptan combination therapy were found to inhibit hepatic fibrosis and yield a hepatoprotective effect by an antioxidative mechanism. The results of the present study suggest that tolvaptan monotherapy and low-dose furosemide/tolvaptan combination therapy are highly effective for hepatoprotection and diuresis.
journal_name
J Clin Biochem Nutrjournal_title
Journal of clinical biochemistry and nutritionauthors
Tanabe N,Takami T,Fujisawa K,Matsumoto T,Yamamoto N,Sakaida Idoi
10.3164/jcbn.16-122subject
Has Abstractpub_date
2017-07-01 00:00:00pages
53-59issue
1eissn
0912-0009issn
1880-5086pii
jcbn16-122journal_volume
61pub_type
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