Histological change after interferon therapy in chronic hepatitis C in view of iron deposition in the liver

Abstract

We examined the efficacy of interferon (IFN) therapy for chronic hepatitis C (CHC) in view of the change of liver histology and iron staining before and after IFN therapy. Enrolled in this study were 109 patients with CHC who completed IFN treatment and were followed for at least 1 yr after the end of IFN therapy. Serum iron, unsaturated-iron-binding capacity (UIBC), and total-iron-binding capacity (TIBC) were assessed before IFN therapy. Knodell’s histological activity index (HAI) score and iron staining were examined in 55 patients in whom liver biopsy was performed at two points: before and 1 yr after IFN therapy. Serum iron levels before IFN therapy did not correlate with the response to IFN. The HAI score significantly decreased after IFN therapy in complete responders (p<0.01) and biochemical responders (p<0.01). Three factors in the HAI, periportal necrosis, intralobular necrosis, and portal inflammation, but not fibrosis, were significantly decreased in complete responders (p<0.01) and biochemical responders (p<0.01). Of 55 patients, 23 (41.8%) were positive for iron staining before IFN therapy and 14 of 55 (25.5%) after IFN therapy. The positive rate for iron staining tended to decrease after IFN therapy, not correlating to the response to IFN, but the change was not statistically significant. In conclusion, the histological improvement by IFN therapy was mostly seen in necroinflammatory changes but not in fibrosis at least 1 yr after IFN, and iron staining tended to decrease after IFN therapy.

DOI: 10.1385/BTER:73:2:151

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@article{Kakizaki2000HistologicalCA, title={Histological change after interferon therapy in chronic hepatitis C in view of iron deposition in the liver}, author={Satoru Kakizaki and Hitoshi Takagi and Takeshi Ichikawa and Takehiko Abe and Toshihiko Yamada and Keiji Suzuki and Akira Kojima and Hisashi Takayama and Jirou Takezawa and Takeaki Nagamine and Masatomo Mori}, journal={Biological Trace Element Research}, year={2000}, volume={73}, pages={151-162} }