日本語フィールド
著者：*Yamagiwa Y, Tanaka K, Matsuo K, Wada K, Lin Y, Sugawara Y, Mizoue T, Sawada N, Takimoto H, Ito H, Kitamura T, Sakata R, Kimura T, Tanaka S, Inoue M; Research Group for the Development and Evaluation of Cancer Prevention Strategies in Japan題名：Response to antiviral therapy for chronic hepatitis C and risk of hepatocellular carcinoma occurrence in Japan: a systematic review and meta-analysis of observational studies 発表情報：Sci Rep 巻: 13 号: 1 ページ: 3445キーワード：概要：In Japan, hepatocellular carcinoma (HCC) is a leading cause of cancer mortality and hepatitis C virus infection is a major cause of HCC. We conducted a systematic review and meta-analysis of published studies evaluating patient response to antiviral therapy for chronic hepatitis C on the risk of HCC occurrence in Japan. Articles were searched using terms determined a priori through PubMed, screened by title and abstract, and selected by full-text assessment according to criteria determined a priori, including HCC occurrence in response to interferon (IFN)-based or IFN-free therapy, Japanese study, and 2 or more years of follow-up. We excluded studies on HCC recurrence. We calculated the pooled estimate of the crude incidence rate ratio with data from the selected studies using the person-years method with Poisson regression model and pooled estimate of the hazard ratio adjusted for potential confounders reported by the studies using a random effects model. A total of 26 studies were identified, all of which examined only IFN-based therapy as a result of the selection process. The pooled estimate (95% confidence interval [CI]) of 25 studies was 0.37 (0.33-0.43) for sustained virologic response (SVR) and 1.70 (1.61-1.80) for non-SVR for the HCC incidence rate per 100 person-years, and 0.22 (0.19-0.26) for the incidence rate ratio (SVR vs. non-SVR). The pooled estimate of the hazard ratio (95% CI) of HCC incidence adjusted for potential confounders of 8 studies was 0.25 (0.19-0.34). SVR to interferon therapy for chronic hepatitis C reduces the risk of HCC occurrence. 抄録：英語フィールド
Author：*Yamagiwa Y, Tanaka K, Matsuo K, Wada K, Lin Y, Sugawara Y, Mizoue T, Sawada N, Takimoto H, Ito H, Kitamura T, Sakata R, Kimura T, Tanaka S, Inoue M; Research Group for the Development and Evaluation of Cancer Prevention Strategies in JapanTitle：Response to antiviral therapy for chronic hepatitis C and risk of hepatocellular carcinoma occurrence in Japan: a systematic review and meta-analysis of observational studies Announcement information:Sci Rep Vol: 13 Issue: 1 Page: 3445An abstract：In Japan, hepatocellular carcinoma (HCC) is a leading cause of cancer mortality and hepatitis C virus infection is a major cause of HCC. We conducted a systematic review and meta-analysis of published studies evaluating patient response to antiviral therapy for chronic hepatitis C on the risk of HCC occurrence in Japan. Articles were searched using terms determined a priori through PubMed, screened by title and abstract, and selected by full-text assessment according to criteria determined a priori, including HCC occurrence in response to interferon (IFN)-based or IFN-free therapy, Japanese study, and 2 or more years of follow-up. We excluded studies on HCC recurrence. We calculated the pooled estimate of the crude incidence rate ratio with data from the selected studies using the person-years method with Poisson regression model and pooled estimate of the hazard ratio adjusted for potential confounders reported by the studies using a random effects model. A total of 26 studies were identified, all of which examined only IFN-based therapy as a result of the selection process. The pooled estimate (95% confidence interval [CI]) of 25 studies was 0.37 (0.33-0.43) for sustained virologic response (SVR) and 1.70 (1.61-1.80) for non-SVR for the HCC incidence rate per 100 person-years, and 0.22 (0.19-0.26) for the incidence rate ratio (SVR vs. non-SVR). The pooled estimate of the hazard ratio (95% CI) of HCC incidence adjusted for potential confounders of 8 studies was 0.25 (0.19-0.34). SVR to interferon therapy for chronic hepatitis C reduces the risk of HCC occurrence. 