Age-related response to interferon alfa treatment in women vs men with chronic hepatitis C virus infection

Jun Hoyoshi, Yasuhiro Kishihara, Kumiko Ueno, Kouzaburo Yamaji, Yasunobu Kawakami, Norihiro Furusyo, Yasunori Sawayama, Seizaburo Kashiwagi

研究成果: ジャーナルへの寄稿学術誌査読

96 被引用数 (Scopus)

抄録

Background: Interferon alfa is used widely for patients with chronic hepatitis C virus (HCV) infection. Little is known, however, of the relationship between patients' sex and the effectiveness of interferon alfa treatment in these patients. Methods: We treated 311 patients (199 men and 112 women) with human lymphoblastoid interferon (6 million units subcutaneously every day for 2 weeks and 3 times a week for 22 weeks) and observed them for an additional 6 months. Serum HCV RNA levels and genotype were tested by polymerase chain reaction before treatment. A liver biopsy was also done. For the purposes of this study, a complete response was defined as the elimination of HCV RNA for at least 6 months after the termination of treatment. Results: The rate of complete response was 27.1% for men and 24.1% for women. With multiple logistic regression analysis, the HCV RNA level (P<.001), genotype (P<.001), patients' sex (P<.05), and the interaction between sex and age were associated with a complete response to interferon alfa. The rate of complete response was 33.3% in men aged 39 years and younger, 25.0% in men aged 40 years and older, 75.0% in women aged 39 years and younger, and 15.6% in women aged 40 years and older. The odds ratio by group was 1.00, 0.72, 4.38, and 0.21, respectively. Conclusions: Our finding that women aged 39 years and younger are responsive to interferon alfa treatment suggests that hormonal activity, in particular the level of estrogen, may be associated with the sustained elimination of HCV.

本文言語英語
ページ(範囲)177-181
ページ数5
ジャーナルArchives of Internal Medicine
158
2
DOI
出版ステータス出版済み - 1998
外部発表はい

!!!All Science Journal Classification (ASJC) codes

  • 内科学

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