大阪大学 · 医学
Yuki Tahata教授の研究室は、ウイルス性肝炎、特にヘパチトスB・Cウイルス関連肝細胞癌(HCC)の治療と予防を柱とした臨床研究を推進しています。DAA療法後のHCC発生予測モデルの構築や、IFNフリー治療後の長期予後に関する疫学的・バイオマーカー的解析が特色です。また、がん免疫療法の実臨床応用における予後予測因子の同定や、抗菌薬使用ががん治療に与える影響の解明にも取り組んでいます。
Figures are computed from collected data and may differ slightly.
A prediction model combining these four factors contributes to an efficient surveillance strategy for HCC occurrence after DAA-mediated SVR.
The recurrence rates and patterns of HCC and overall survival rates do not differ between SVR patients receiving IFN and DAA treatments.
Our scoring system using the three factors of baseline age, ALT levels at SVR, and AFP levels at SVR is useful for post-SVR HCC surveillance of patients without advanced liver fibrosis.
Hepatitis C virus (HCV) was first discovered in 1989, and patients infected with HCV were initially treated with interferon (IFN) monotherapy. In the 2000s, pegylated IFN combined with ribavirin was the mainstay of therapy for infected patients, but the sustained virologic response (SVR) rate was less than 50% for patients with HCV genotype 1. To further improve the therapeutic effect, direct-acting antiviral (DAA) was developed, and combination therapy with DAA and IFN has been available since
Prior ATB use was associated with reduced therapeutic responses in patients with HCC receiving atezolizumab plus bevacizumab.
The treatment efficiency and predictors of atezolizumab plus bevacizumab therapy for unresectable hepatocellular carcinoma in real-world practice have not been established. This study aimed to assess the efficacy and safety of atezolizumab plus bevacizumab and to investigate predictors of progression-free survival and overall survival. Patients with unresectable hepatocellular carcinoma treated with atezolizumab plus bevacizumab therapy in 19 hospitals were enrolled before treatment and observed
Combination treatment of ledipasvir and sofosbuvir (LDV/SOF) is first-line treatment for patients with chronic hepatitis C genotype 1 in the United States, Europe, and Japan. However, the influence of LDV/SOF on the cardiovascular system is poorly characterized. A total of 470 chronic hepatitis C patients who started LDV/SOF treatment between September 2015 and February 2016 at nine hospitals in Japan were prospectively enrolled in this study. Corrected QT (QTc) prolongation was defined as a QTc
SOF/VEL therapy may suppress the development of decompensated events and improve the prognosis in decompensated cirrhotic patients; however, the incidence of HCC remains prevalent in these patients irrespective of SOF/VEL therapy.
HCC occurrence in sustained virologic response patients does not differ between IFN-based and IFN-free treatment considering liver fibrosis stage. The degree of its progress at diagnosis does not differ between the two groups.
The prognosis of decompensated cirrhotic patients receiving DAA was stratified by liver function at 12 weeks after the EOT, not by baseline liver function.
The cumulative incidence rate of varix-related events was significantly higher in decompensated cirrhosis than in compensated cirrhosis. Baseline varix status, baseline gamma-glutamyl transpeptidase levels, and virologic response were related to varix-related events after direct-acting antiviral therapy.
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