Potent induction therapy with interferon and ribavirin combination therapy does not achieve a higher sustained virological response rate in chronic hepatitis C with genotype 1b and high hepatitis C virus RNA level

Shotaro Enomoto, Hideyuki Tamai, Masashi Oka, Naoki Shingaki, Tatsuya Shiraki, Machiko Takeuchi, Hisanobu Deguchi, Hirohito Magari, Izumi Inoue, Mikitaka Iguchi, Kimihiko Yanaoka, Kenji Arii, Mitsuhiro Fujishiro, Naohisa Yahagi, Hiroshi Yotsuyanagi, Masao Ichinose

研究成果: Article査読

2 被引用数 (Scopus)

抄録

Aims: To compare twice-daily interferon (IFN)-β administration and once-daily IFN-α-2b administration as induction therapy in ribavirin combination therapy in chronic hepatitis C with a high viral load of genotype-1b hepatitis C virus (HCV). Methods: Sixty-one chroniche patitis patients with a high viral load of genotype-1b HCV were randomly divided into three groups: group A was given IFN-β 6 MU induction therapy twice daily for 2 weeks; group B was given IFN-α-2b 6 MU induction therapy once daily for 2 weeks; and group C was given no induction therapy. All three groups were then given IFN-α-2b 6 MU 3days/week for the rest of the 24-week study period. Ribavirin was given for the entire 24-week study period. Results: Although the cumulative HCV-RNA negative rates tended to be higher in group A than in group B, the differencewas not significant. The HCV-RNA negative rate at week 2 was significantly higher in groups A and B than in group C (P<0.05). The sustained virological response (SVR) rate was 16% overall, 21% for groups A and B, and 5% for group C; the SVR rate of groups A plus B tended to be higher than that of group C (P=0.093). Conclusions: There was no difference between the effects ofthe two induction therapies; potent induction therapy does achieve higher early viral clearance but not a higher SVR rate.

本文言語English
ページ(範囲)692-700
ページ数9
ジャーナルHepatology Research
37
9
DOI
出版ステータスPublished - 2007 9
外部発表はい

ASJC Scopus subject areas

  • 肝臓学
  • 感染症

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