記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: Agile 3+ and Agile 4 scores, based on liver stiffness measurement (LSM) by transient elastography and clinical parameters, were recently reported to be effective in identifying advanced fibrosis and cirrhosis in nonalcoholic fatty liver disease (NAFLD). This study aimed to validate the utility of these scores in Japanese patients with NAFLD. METHODS: Six hundred forty-one patients with biopsy-proven NAFLD were analyzed. The severity of liver fibrosis was pathologically evaluated by one expert pathologist. LSM, age, sex, diabetes status, platelet count, and aspartate aminotransferase and alanine aminotransferase levels were used to calculate Agile 3+ scores, and the parameters above excluding age were used for Agile 4 scores. The diagnostic performance of the two scores was evaluated using receiver operating characteristic (ROC) curve analysis. Sensitivity, specificity, and predictive values of the original low cut-off (for rule-out) value and high cut-off (for rule-in) value were tested. RESULTS: For diagnosis of fibrosis stage ≥ 3, the area under the ROC (AUROC) was 0.886, and the sensitivity of the low cut-off value and the specificity of the high cut-off value were 95.3% and 73.4%, respectively. For diagnosis of fibrosis stage 4, AUROC, the sensitivity of the low cut-off value, and the specificity of the high cut-off value were 0.930, 100% and 86.5%, respectively. Both scores had higher diagnostic performance than the FIB-4 index and the enhanced liver fibrosis score. CONCLUSIONS: Agile 3+ and Agile 4 are reliable noninvasive tests to identify advanced fibrosis and cirrhosis in Japanese NAFLD patients with adequate diagnostic performance. This article is protected by copyright. All rights reserved.

DOI： 10.1111/hepr.13890

PubMed

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Although eliminating HCV can prevent hepatocellular carcinoma (HCC), some patients develop HCC even after obtaining sustained virologic response (SVR). Previously, we developed a new formula to predict advanced liver fibrosis. This study aimed to clarify the usefulness of this formula for predicting HCC after achieving SVR. Among 351 consecutive patients who had been treated with direct-acting antivirals, 299 were included in this study. New formula scores were used as a marker for predicting liver fibrosis and as a predictive model for HCC incidence. The participants were 172 men and 127 women with a median age of 68 years. The median new formula score was -1.291. The cumulative HCC incidence rates were 4.3%, 9.7%, and 12.5% at 1, 3, and 5 years, respectively. The cumulative incidence of HCC was significantly higher in patients with a history of HCC than in those without treatment history of HCC (P = 2.52×10-26). Multivariate analysis revealed that male (HR = 6.584, 95% CI = 1.291-33.573, P = 0.023) and new formula score (HR = 1.741, 95% CI = 1.041-2.911, P = 0.035) were independent factors associated with the development of HCC in patients without a treatment history of HCC. The optimal cutoff value for predicting the development of HCC was -0.214. The cumulative incidence rates of HCC in patients with new formula scores ≥-0.214 were 5.4%, 15.3%, and 15.3% at 1, 3, and 5 years, respectively, whereas the incidence rates of HCC in patients with new formula scores <-0.214 were 0.0%, 0.6%, and 4.8%, respectively (P = 2.12×10-4). In conclusion, this study demonstrated the usefulness of new formula scores as a predictor of HCC after achieving SVR, especially in patients without past treatment history of treatment for HCC.

DOI： 10.1371/journal.pone.0292019

PubMed

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Springer Science and Business Media LLC  

Abstract

Nalfurafine hydrochloride, a selective κ-opioid receptor agonist has been approved for pruritus in patients with chronic liver disease. However, not all patients respond to nalfurafine hydrochloride. The aim of this study was to clarify the efficacy of nalfurafine hydrochloride. The subjects were patients with chronic liver disease complicated by pruritus who were treated with nalfurafine hydrochloride between May, 2015, and May, 2021. The degree of pruritus was evaluated based on the Visual Analog Scale (VAS) score and the Kawashima’s pruritus score. Nalfurafine hydrochloride 2.5 μg was orally administered once a day for 12 weeks. A decrease in the VAS score of ≥ 25 mm or the Kawashima’s pruritus score of ≥ 1 scores was designated as relevant response. The former of ≥ 50 mm or the latter of ≥ 2 scores as remarkable response. The 326 patients who were evaluated the efficacy at 12 weeks. The median time suffering from pruritus to administration of nalfurafine hydrochloride was 4 months. The median VAS score improved from 70.0 mm before administration to 40.0 and 30.0 mm at 4 and 12 weeks of treatment, respectively. On multivariate analysis, shorter itching period and lower FIB-4 index value were extracted as the independent factors related to remarkable responder. On multivariate analysis, shorter itching period was extracted as the only independent factor related to relevant responder. In conclusion, this study suggested nalfurafine hydrochloride treatment markedly improves pruritus in patients with chronic liver disease. A short pruritus period and less-advanced fibrosis were associated with response to nalfurafine hydrochloride.

DOI： 10.1038/s41598-022-11431-1

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その他リンク： https://www.nature.com/articles/s41598-022-11431-1

記述言語：英語   掲載種別：研究論文（学術雑誌）  

The aim of this retrospective multicenter study was to clarify the antifibrotic effect and long-term outcome of sodium glucose cotransporter 2 inhibitors (SGLT2-Is) in patients with nonalcoholic fatty liver disease (NAFLD) complicated by type 2 diabetes mellitus (T2DM). Of the 1262 consecutive patients with T2DM who recently received SGLT2-Is, 202 patients with NAFLD had been receiving SGLT2-Is for more than 48 weeks and were subjected to this analysis. Furthermore, 109 patients who had been on SGLT2-I therapy for more than 3 years at the time of analysis were assessed for the long-term effects of SGLT2-Is. Significant decreases in body weight, liver transaminases, plasma glucose, hemoglobin A1c, and Fibrosis-4 (FIB-4) index were found at week 48. Overall, the median value of FIB-4 index decreased from 1.42 at baseline to 1.25 at week 48 (p < 0.001). In the low-risk group (FIB-4 index < 1.3), there was no significant change in the FIB-4 index. In the intermediate-risk (≥1.3 and <2.67) and high-risk (≥2.67) groups, the median levels significantly decreased from 1.77 and 3.33 at baseline to 1.58 and 2.75 at week 48, respectively (p < 0.001 for both). Improvements in body weight, glucose control, liver transaminases, and FIB-4 index were found at 3 years of SGLT2-I treatment. In the intermediate-risk and high-risk groups (≥1.3 FIB-4 index), the FIB-4 index maintained a significant reduction from baseline throughout the 3 years of treatment. Conclusion: This study showed that SGLT2-Is offered a favorable effect on improvement in FIB-4 index as a surrogate marker of liver fibrosis in patient with NAFLD complicated by T2DM, especially those with intermediate and high risks of advanced fibrosis, and this antifibrotic effect is sustained for the long term.

DOI： 10.1002/hep4.2069

PubMed

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Wiley  

DOI： 10.1002/jgh3.12780

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その他リンク： https://onlinelibrary.wiley.com/doi/full-xml/10.1002/jgh3.12780

記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: The role of serum type III procollagen peptide (P3P) level in the acute phase of acute heart failure (AHF) requires clarification. We hypothesized that serum P3P level is temporarily higher during the acute phase, reflecting liver dysfunction due to congestion. METHODS AND RESULTS: A total of 800 AHF patients were screened, and data from 643 patients were analysed. Heart failure was diagnosed by the treating physician according to the European Society of Cardiology (ESC) guidelines, and included patients being treated with high-concentration oxygen inhalation (including mechanical support) for orthopnea, inotrope administration, or mechanical support for low blood pressure, and various types of diuretics for peripheral or pulmonary oedema. In all cases, diuretics or vasodilators were administered to treat AHF. The patients were divided into three groups according to their quartile (Q) serum P3P level: low-P3P (Q1, P3P ≤ 0.6 U/mL), mid-P3P (Q2/Q3, 0.6 < P3P <1.2 U/mL), and high-P3P (Q4, P3P ≥ 1.2 U/mL). The plasma volume status (PVS) was calculated using the following formula: ([actual PV - ideal PV]/ideal PV) × 100 (%). The primary endpoint was 365 day mortality. A Kaplan-Meier curve analysis showed that prognoses, including all-cause mortality and heart failure events within 365 days, were significantly (P < 0.001) worse in the high-P3P group when compared with the mid-P3P and low-P3P groups. A multivariate logistic regression analysis showed that high PVS (Q4, odds ratio [OR]: 4.702, 95% CI: 2.012-20.989, P < 0.001), high fibrosis-4 index (Q4, OR: 2.627, 95% CI: 1.311-5.261, P = 0.006), and low estimated glomerular filtration rate per 10 mL/min/1.73 m2 decrease (OR: 1.996, 95% CI: 1.718-2.326, P < 0.001) were associated with high P3P values. The Kaplan-Meier curve analysis demonstrated a significantly lower survival rate, as well as a higher rate of heart failure events, in the high-P3P and high-PVS groups when compared with the other groups. A multivariate Cox regression model identified high P3P level and high PVS as an independent predictor of 365 day all-cause mortality (hazard ratio [HR]: 2.249; 95% CI: 1.081-3.356; P = 0.026) and heart failure events (HR: 1.586, 95% CI: 1.005-2.503, P = 0.048). CONCLUSION: A high P3P level during the acute phase of AHF served as a comprehensive biomarker of liver dysfunction with volume overload (i.e. liver congestion) and renal dysfunction. A high P3P level at admission may be able to predict adverse outcomes in AHF patients.

DOI： 10.1002/ehf2.13878

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

We investigated the impact of C-reactive protein to albumin ratio (CAR) on predicting outcomes in 522 patients with unresectable hepatocellular carcinoma (HCC) treated with lenvatinib. We determined the optimal CAR cutoff value with time-dependent receiver operating characteristic curve analysis. Additionally, we clarified the relationship between CAR and liver function or HCC progression. Median overall survival was 20.0 (95% confidence interval (CI), 17.2-22.6) months. The optimal CAR cutoff value was determined to be 0.108. Multivariate analysis showed that high CAR (≥ 0.108) (hazard ratio (HR), 1.915; 95% CI, 1.495-2.452), Eastern Cooperative Oncology Group performance status ≥ 1 (HR, 1.429), and α-fetoprotein ≥ 400 ng/mL (HR, 1.604) were independently associated with overall survival. Cumulative overall survival differed significantly between patients with low versus high CAR (p < 0.001). Median progression-free survival was 7.5 (95% CI, 6.7-8.1) months. Multivariate analysis showed that age, CAR ≥ 0.108 (HR, 1.644; 95% CI, 1.324-2.043), and non-hepatitis B, non-hepatitis C etiology (HR, 0.726) were independently associated with progression-free survival. Cumulative progression-free survival differed significantly between patients with low versus high CAR (p < 0.001). CAR values were significantly higher as Japan Integrated Staging score increased (p < 0.001). In conclusion, CAR can predict outcomes in patients with unresectable HCC treated with lenvatinib.

DOI： 10.1038/s41598-022-12058-y

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Elsevier BV  

DOI： 10.1016/j.jiac.2022.04.024

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: The safety and efficacy of atezolizumab plus bevacizumab (Atez/Bev) in elderly patients with unresectable hepatocellular carcinoma (HCC) have not been sufficiently investigated. METHODS: A total of 317 patients with HCC treated with Atez/Bev were studied. We compared the survival and frequency of adverse events in elderly versus non-elderly patients with HCC who were treated with Atez/Bev using an analysis of inverse probability weighting (IPW). RESULTS: Univariate analysis adjusted with IPW showed that being elderly is not associated with worse overall or progression-free survival (hazard ratio [HR], 1.239; 95% confidence interval [CI], 0.640-2.399; p = 0.526 and HR, 1.256; 95% CI, 0.871-1.811; p = 0.223, respectively). Regarding treatment-related adverse events, any grade of fatigue, proteinuria, decreased appetite, hypertension, and liver injury occurred in ≥10% of patients. There were no significant differences in treatment-related adverse events between the elderly and non-elderly groups. In a subgroup analysis of elderly patients aged 75-79, 80-84, or ≥ 85 years, there were no significant differences in cumulative overall or progression-free survival among these age groups (p = 0.960 and 0.566, respectively). In addition, there were no significant differences in treatment-related adverse events among these three age groups, except for proteinuria of any grade. In a subgroup analysis of patients treated with Atez/Bev as first-line systemic therapy, there were no significant differences in cumulative overall or progression-free survival between the elderly and non-elderly groups (p = 0.728 and 0.805, respectively). CONCLUSIONS: Atez/Bev can be used efficaciously and safely in spite of age in patients with unresectable HCC.

DOI： 10.1002/cam4.4763

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Lusutrombopag effectively increases platelet count in patients with severe thrombocytopenia. However, no multicenter studies analyzing the effects of Lusutrombopag on patients with mild thrombocytopenia (platelet count > 50 000/µL) have been performed. In this study, we aimed to clarify the efficacy of Lusutrombopag on these patients by unifying background factors by propensity score matching. METHODS: A total of 139 patients with thrombocytopenia were enrolled, and matched for age, sex, etiology, disease, treatment, liver function, renal function, peripheral blood count, and spleen index. The primary endpoint was to compare the increase in platelet count from baseline between the high-platelet group (>50 000/µL) and the low-platelet group (<50 000/µL) after Lusutrombopag treatment, using propensity score matching. The secondary endpoint was to clarify platelet transfusion avoidance rate and adverse events, moreover, to identify independent predictors associated with the increase in platelet count. RESULTS: The mean increase in platelet count was 67 000/μL vs 48 000/μL in all patients (high- vs low-platelet group, P = .024), and 64 000/μL vs 48 000/μL (P = .12) after propensity score matching. The increase in platelet count and the platelet transfusion avoidance rate tended to be higher in the high-platelet group. There was no significant difference between adverse events. Predictors associated with an increase in platelet count were sex, estimated glomerular filtration rate, and spleen index by multivariate analysis. CONCLUSION: Lusutrombopag has a little stronger effect in patients with mild thrombocytopenia than those with severe thrombocytopenia and showed a more substantial effect in patients with impaired renal function and small spleen.

DOI： 10.1002/jhbp.1099

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Wiley  

DOI： 10.1002/hep4.1941

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その他リンク： https://onlinelibrary.wiley.com/doi/full-xml/10.1002/hep4.1941

記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Wiley  

AIM: Direct-acting antivirals (DAAs) are currently available even for patients with decompensated cirrhosis. Reportedly, hepatic functional reserve improved in the short term after achievement of sustained virologic response (SVR). We aimed to clarify the outcomes after achievement of SVR in patients with decompensated cirrhosis who were treated by DAAs in real-world clinical practice. METHODS: A prospective, multicenter study of 12-week sofosbuvir/velpatasvir was conducted in 86 patients with decompensated cirrhosis, who were evaluated for 48 weeks post-treatment. RESULTS: The cohort included 8 patients with Child-Pugh class A, 56 with B, and 22 with C. The proportion of Child-Pugh class A patients increased from 9.1% at baseline to 44.1% at 48 weeks post-treatment, while that of class B and C patients decreased from 66.2% to 35.1% and from 24.7% to 14.3%, respectively. Among the patients with Child-Pugh class B and C, univariate analysis identified low total bilirubin, Child-Pugh score, Child-Pugh class B, ALBI score, and high serum albumin as factors associated with improvement to Child-Pugh class A. The optimal cut-off value of the factors for predicting improvement to Child-Pugh class A were 1.4 mg/dl for total bilirubin, 2.9 g/dl for serum albumin, 8 points for Child-Pugh score, and -1.88 for ALBI score. CONCLUSION: Achievement of SVR with sofosbuvir/velpatasvir improved the liver functional reserve at 12 weeks post-treatment and maintained the stable effects until 48 weeks post-treatment in patients with decompensated cirrhosis. Specifically, the patients with less advanced conditions had the likelihood of improving to Child-Pugh class A at 48 weeks post-treatment.

DOI： 10.1111/hepr.13739

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その他リンク： https://onlinelibrary.wiley.com/doi/full-xml/10.1111/hepr.13739

記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: To investigate whether neutrophil-to-lymphocyte ratio (NLR) can predict outcomes in patients with unresectable hepatocellular carcinoma (HCC) treated with atezolizumab plus bevacizumab (Atez/Bev). METHODS: A total of 249 patients with unresectable HCC treated with Atez/Bev were included. We analyzed survival and discontinuation of this therapy in this cohort. RESULTS: Cumulative overall survival at 2, 4, 6, and 8 months was 97.6%, 94.9%, 88.9%, and 82.8%, respectively. Cumulative overall survival differed significantly between patients with low (<3.0) versus high (≥3.0) NLR (P = 0.001). Conversely, cumulative progression-free survival did not differ between patients with low versus high NLR. The distribution of response was 1.5% for complete response, 17.1% for partial response, 60.5% for stable disease, and 21.0% for progressive disease. Responses were not different between patients with low and high NLR. Regarding adverse events, immune-related liver injury of any grade and grade of at least 3, decreased appetite of any grade, grade of at least 3 proteinuria, and other adverse events of any grade differed significantly between patients with low and high NLR. There were 56, 18, and 2 patients who discontinued Atez/Bev therapy due to progression of disease, adverse event, and other reasons, respectively. The cumulative discontinuation rate for Atez/Bev therapy due to adverse events differed significantly between patients with low versus high NLR (P = 0.022). Cox proportional hazards modeling analysis with inverse probability weighting showed that NLR of at least 3.0 was significantly associated with overall survival (hazard ratio, 3.369; 95% confidence interval, 1.024-11.080). CONCLUSIONS: NLR can predict outcomes in patients with unresectable HCC treated with Atez/Bev.

DOI： 10.1097/MEG.0000000000002356

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: The present study focused on the association of early bevacizumab (Bev) interruption with the clinical outcome of atezolizumab plus bevacizumab. METHODS: This retrospective study included 239 patients with advanced hepatocellular carcinoma receiving atezolizumab/Bev from September 2020 to June 2021 at 16 different institutions in Japan. We conducted a 9-week landmark analysis to investigate the association of Bev interruption due to adverse events with the therapeutic efficacy. RESULTS: The median age was 73.0 (68.0-80.0) years old, with 195 (81.6%) men. The objective response rate was significantly higher in patients without Bev interruption than in those with it (34.5% vs. 17.3%, p = 0.038). The median progression-free survival (PFS) was 6.5 months (95% confidence interval [CI] 4.5-9.7) and 9.0 months (95% CI 7.1-not applicable) in patients with and without Bev interruption, respectively, with statistical significance (p = 0.021). The 12-month overall survival (OS) rates in patients with and without Bev interruption were 49.4% (CI 27.7%-67.9%) and 82.2% (95% CI 70.3%-89.6%), respectively, showing a significant difference (p = 0.004). The presence of Bev interruption was a significant factor associated with the PFS (p = 0.021) and OS (p = 0.008). A multivariate analysis showed that modified albumin-bilirubin 2b (p < 0.001) and later-line treatment (p = 0.018) were unfavorable factors associated with Bev interruption. Liver injury, appetite loss, protein urea, and ascites or hepatic edema were more frequently found in patients with Bev interruption than in those without it. CONCLUSIONS: Early Bev interruption was an unfavorable factor associated with the PFS and OS. Good liver function and treatment settings may be associated with maintaining Bev treatment.

DOI： 10.1111/hepr.13748

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Elsevier BV  

DOI： 10.1016/j.gastha.2022.02.018

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Data regarding the influence of patatin-like phospholipase domain-containing 3 (PNPLA3) polymorphism for patients with liver cirrhosis (LC) are scarce. OBJECTIVE: This study assesses the role of the PNPLA3 polymorphism for the development of LC and its complications by the findings of genetic examinations. METHODS: Patients with LC caused by virus (n = 157), alcohol (n = 104), nonalcoholic fatty liver disease (NAFLD) (n = 106), or autoimmune disease (n = 33) and without LC (n = 128) were enrolled. LC were composed of the present and absent of complications, such as variceal bleeding, hepatic ascites, and/or hepatic encephalopathy. To assess the role of the PNPLA3 polymorphism, odds ratio (OR) for the rs738409 variant was calculated for the patients between (i) with LC and without LC in the entire cohort, and (ii) the present and absent of complications in the patients with LC. RESULTS: There was a significant difference among the patients without LC and those with alcohol, NAFLD related LC in the frequency of G alleles (p < 0.001, both). According to complications of LC, the OR for NAFLD related cirrhosis significantly increased in the presence of the two mutated alleles (OR = 3.165; p = 0.046) when the wild type was used as the reference. However, there were no significant risks for the complications in the virus and alcohol related cirrhosis unless there was a presence of G alleles. CONCLUSION: The PNPLA3 polymorphism was associated with the risk of NAFLD related LC and its complications.

DOI： 10.1159/000521062

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND/AIM: Although systemic therapy is recommended for patients with multiple intermediate stage unresectable hepatocellular carcinoma (u-HCC) classified as beyond the up-to-7 criteria (UT-7 out/multiple) as a transcatheter arterial chemoembolization (TACE) unsuitable condition, few reports have examined the therapeutic efficacy of atezolizumab plus bevacizumab combination therapy (Atez/Bev) in such cases. This study aimed to elucidate the therapeutic response of Atez/Bev in u-HCC patients classified as UT-7 out/multiple. MATERIAL/METHODS: From September 2020 to September 2021, 95 u-HCC Japanese patients classified as UT-7 out/multiple/Child-Pugh A were enrolled from 21 institutions (median age 76 years, males 73, Child-Pugh 5:6=68:27, TNM stage II:III=17:78). Therapeutic response was retrospectively evaluated using Response Evaluation Criteria in Solid Tumors (RECIST), ver. 1.1 and modified RECIST (mRECIST). RESULTS: Atez/Bev was given as first-line treatment to 52 (54.7%). Objective response rate (ORR) and disease control rate (DCR) at six weeks of RECIST and mRECIST were 17.7%/42.5% and 84.7%/86.2%, respectively. Median PFS was 8.0 months (median observation period: 6.0months). Child-Pugh A/modified Albumin-bilirubin grade (mALBI) 1 and 2a at baseline, 3, 6, and 9 weeks, were 100%/69.4%, 89.8%/57.3%, 94.8%/65.3%, and 91.4%/60.0%, respectively. Among adverse events (any-grade, >10%) during the present observation period, general fatigue was most frequent (23.2%), followed by urine protein (21.1%), appetite loss (20.0%), and hypertension (13.7%). CONCLUSION: Atez/Bev treatment showed favorable therapeutic response with less influence on hepatic function, suggesting it as a useful therapeutic option for patients with such condition. This article is protected by copyright. All rights reserved.

DOI： 10.1111/hepr.13734

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

It was recently reported that hepatocellular carcinoma (HCC) patients with non-alcoholic steatohepatitis (NASH) are not responsive to immune-checkpoint inhibitor (ICI) treatment. The present study aimed to evaluate the therapeutic efficacy of lenvatinib in patients with non-alcoholic fatty liver disease (NAFLD)/NASH-related unresectable-HCC (u-HCC). Five hundred thirty u-HCC patients with Child-Pugh A were enrolled, and divided into the NAFLD/NASH (n = 103) and Viral/Alcohol (n = 427) groups. Clinical features were compared in a retrospective manner. Progression-free survival (PFS) was better in the NAFLD/NASH than the Viral/Alcohol group (median 9.3 vs. 7.5 months, P = 0.012), while there was no significant difference in overall survival (OS) (20.5 vs. 16.9 months, P = 0.057). In Cox-hazard analysis of prognostic factors for PFS, elevated ALT (≥ 30 U/L) (HR 1.247, P = 0.029), modified ALBI grade 2b (HR 1.236, P = 0.047), elevated AFP (≥ 400 ng/mL) (HR 1.294, P = 0.014), and NAFLD/NASH etiology (HR 0.763, P = 0.036) were significant prognostic factors. NAFLD/NASH etiology was not a significant prognostic factor in Cox-hazard analysis for OS (HR0.758, P = 0.092), whereas AFP (≥ 400 ng/mL) (HR 1.402, P = 0.009), BCLC C stage (HR 1.297, P = 0.035), later line use (HR 0.737, P = 0.014), and modified ALBI grade 2b (HR 1.875, P < 0.001) were significant. Lenvatinib can improve the prognosis of patients affected by u-HCC irrespective of HCC etiology or its line of treatment.

DOI： 10.1038/s41598-021-96089-x

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Nonalcoholic fatty liver disease (NAFLD) is related to subclinical atherosclerosis. However, whether the severity of the disease (or which histopathological component) is associated with subclinical atherosclerosis remains controversial. This study aimed to investigate the association between the histopathological severity of NAFLD and carotid intima-media thickness (CIMT) in Japanese patients with liver biopsy-proven NAFLD. Maximum-CIMT (max-CIMT) was measured as an index of carotid atherosclerosis in 195 biopsy-proven NAFLD patients. A significant association was observed between the severity of fibrosis (but not steatosis, inflammation, and ballooning) and max-CIMT. Older age, male gender, hypertension, and advanced fibrosis were independently linked to max-CIMT ≥ 1.2 mm. The prevalence of max-CIMT ≥ 1.2 mm was significantly higher in the advanced fibrosis group than in the non-advanced fibrosis group (75.4% versus 44.0%; p < 0.01). Non-invasive liver fibrosis markers and scoring systems, including fibrosis-4 index, NAFLD fibrosis score, hyaluronic acid, and Wisteria floribunda agglutinin positive Mac-2-binding protein, demonstrated that the diagnostic performance for max-CIMT ≥ 1.2 mm was similar to that of biopsy-based fibrosis staging. In conclusion, advanced fibrosis is significantly and independently associated with high-risk CIMT. Non-invasive fibrosis markers and scoring systems could help estimate the risk of atherosclerosis progression in patients with NAFLD.

DOI： 10.1038/s41598-021-95581-8

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND AND AIMS: Real-world data for treatment effectiveness and renal outcomes in chronic hepatitis B (CHB) patients who were switched to the new and safer prodrug tenofovir alafenamide (TAF) from tenofovir disoproxil fumarate (TDF) are limited. Therefore, we aimed to evaluate treatment and renal outcomes of this population. APPROACH AND RESULTS: We analyzed 834 patients with CHB previously treated with TDF for ≥12 months who were switched to TAF in routine practice at 13 US and Asian centers for changes in viral (HBV DNA < 20 IU/mL), biochemical (alanine aminotransferase [ALT] < 35/25 U/L for male/female), and complete (viral+biochemical) responses, as well as estimated glomerular filtration rate (eGFR; milliliters per minute per 1.73 square meters) up to 96 weeks after switch. Viral suppression (P < 0.001) and ALT normalization (P = 0.003) rates increased significantly after switch, with a trend for increasing complete response (Ptrend = 0.004), while the eGFR trend (Ptrend  > 0.44) or mean eGFR (P > 0.83, adjusted for age, sex, baseline eGFR, and diabetes, hypertension, or cirrhosis by generalized linear modeling) remained stable. However, among those with baseline eGFR < 90 (chronic kidney disease [CKD] stage ≥2), mean eGFR decreased significantly while on TDF (P = 0.029) but not after TAF switch (P = 0.90). By week 96, 21% (55/267) of patients with CKD stage 2 at switch improved to stage 1 and 35% (30/85) of CKD stage 3-5 patients improved to stage 2 and 1.2% (1/85) to stage 1. CONCLUSIONS: Overall, we observed continued improvement in virologic response, ALT normalization, and no significant changes in eGFR following switch to TAF from TDF.

DOI： 10.1002/hep.31793

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: Multiple molecular agents have been developed for treating unresectable hepatocellular carcinoma. This study aimed to elucidate the clinical efficacy of sequential treatment with lenvatinib after regorafenib failure. METHODS: From June 2017 to October 2020, 63 patients with Child-Pugh A and treated with regorafenib followed by sorafenib were enrolled (median age 71 years, 52 men, Barcelona Clinic Liver Cancer B:C = 23:40). They were divided into two groups, those treated with lenvatinib after regorafenib treatment (R-L group, n = 47) and those who did not receive lenvatinib after regorafenib (non-R-L group, n = 16). Prognostic factors were retrospectively analyzed after adjustment with inverse probability weighting. RESULTS: Serum albumin level at the start of regorafenib and reasons for discontinuation of regorafenib were significantly different between the R-L and non-R-L groups, whereas the albumin-bilirubin score, Child-Pugh class, and tumor burden were not. Progression-free survival was also not significantly different (median 4.1 vs. 3.8 months, p = 0.586). As for overall survival, the R-L group showed better prognosis after introducing regorafenib and after introducing sorafenib, following inverse probability weighting adjustment (MST 19.7 vs. 10.3 months, 33.8 vs. 15.3 months, p < 0.001 and p = 0.022, respectively). Modified albumin-bilirubin grade 2b (score >-2.27) at the start of regorafenib (HR 2.074, p = 0.041) and the presence of lenvatinib treatment after regorafenib failure (HR 0.355, p = 0.004) were found to be significant prognostic factors in Cox proportional hazards multivariate analysis, after inverse probability weighting adjustment. CONCLUSION: These results show that lenvatinib is a good sequential treatment option after progression under regorafenib therapy in unresectable hepatocellular carcinoma patients with better hepatic reserve function.

DOI： 10.1111/hepr.13644

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

The Fibrosis-4 (FIB4) index could indicate the liver fibrosis in patients with chronic hepatic diseases. It was calculated using the following formula: (age × aspartate aminotransferase [U/L]) / (platelet count [103/μL] × √alanine aminotransferase [U/L]). However, the clinical impact of the FIB4 index in the acute phase of acute heart failure (AHF) has not been sufficiently investigated.A total 1,468 AHF patients were analyzed. The median FIB4 index was 2.71 [1.85-4.22]. The patients were divided into three groups according to the quartiles of their FIB4 index (low-FIB4 [Q1, ≤ 1.847], middle-FIB4 [Q2/Q3, 1.848-4.216], and high-FIB4 [Q4, ≥ 4.216] groups). A Kaplan-Meier curve analysis showed that the prognosis, such as all-cause mortality and HF events within 365 days, was significantly poorer in the high-FIB4 group than in the middle-FIB4 and low-FIB4 groups. A multivariate Cox regression model identified high FIB4 index as an independent predictor of 365-day all-cause death (hazard ratio (HR): 1.660, 95% CI: 1.136-2.427) and HF events (HR: 1.505, 95% CI: 1.145-1.978). The multivariate logistic regression analysis showed that the high plasma volume status (PVS) (Q4, odds ratio [OR]: 2.099, 95% CI: 1.429-3.082), low systolic blood pressure (SBP) (< 100 mmHg, OR: 3.825, 95% CI: 2.504-5.840), and low left ventricular ejection fraction (< 40%, OR: 1.321, 95% CI: 1.002-1.741) were associated with a high FIB4 index.A high FIB4 index can predict adverse outcomes in AHF patients, which indicate that congestive liver and liver hypoperfusion occur due to low cardiac output in the acute phase of AHF.

DOI： 10.1536/ihj.20-793

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

We investigated the impact on survival of modified albumin-bilirubin (mALBI) grade versus Child-Pugh classification in patients with hepatocellular carcinoma (HCC) who received lenvatinib. A total of 524 patients with HCC who received lenvatinib were included. Univariate analysis showed that mALBI grade 2b/3 and Child-Pugh class B/C were significantly associated with survival [hazard ratio (HR), 2.471; 95% confidence interval (CI), 1.944-3.141 and HR, 2.178; 95%CI, 1.591-2.982]. In patients with a Child-Pugh score of 5, multivariate analysis showed that mALBI grade 2b/3 was independently associated with survival (HR, 1.814; 95%CI, 1.083-3.037). Conversely, among patients with mALBI grade 1/2a, there was no difference in survival between those with a Child-Pugh class of 5 or 6 (p = 0.735). Time-dependent receiver operating characteristic analysis showed that the ALBI score predicted survival better than the Child-Pugh score. The optimal cut-off value of the ALBI score for predicting survival was nearly the same as the value separating mALBI grades 2a and 2b. In conclusion, the mALBI grade was a better predictor of survival than the Child-Pugh classification in patients with unresectable HCC who received lenvatinib therapy.

DOI： 10.1038/s41598-021-93794-5

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND AND AIM: Lenvatinib is a standard of care option in first-line therapy of advanced hepatocellular carcinoma (HCC). In the present study, we aim to identify, in patients with HCC treated with lenvatinib, a possible association between occurrence and grading of adverse events (AEs) and outcome. METHODS: We performed a retrospective analysis of 606 Japanese and Italian patients treated with lenvatinib in first-line setting and investigated the possible correlation between the onset of AEs, toxicity grade (G) and outcome measures such as overall survival (OS) and progression-free survival (PFS). RESULTS: The appearance of arterial hypertension G ≥ 2 independently predicted prolonged OS [hazard ratio (HR) 0.66, 95% confidence interval (CI) 0.46-0.93, P = .0188], whereas decreased appetite G ≥ 2 independently predicted decreased OS (HR 1.70, 95% CI 1.25-2.32, P = .0007) by multivariate analysis. Appearance of hand-foot skin reaction independently predicted prolonged PFS (HR 0.72, 95% CI 0.56-0.93, P = .0149), whereas decreased appetite G ≥ 2 predicted decreased PFS (HR 1.36, 95% CI 1.04-1.77, P = .0277). CONCLUSIONS: Our main findings are that the occurrence of arterial hypertension G ≥ 2 is a predictor of longer survival, whereas decreased appetite G ≥ 2 predicts for a poor prognosis. A careful management of AEs under lenvatinib treatment for HCC is required, to improve patients' quality of life, minimize the need for treatment discontinuation and achieve optimal outcome.

DOI： 10.1111/liv.15014

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND AND AIM: This study aimed to elucidate the clinical importance of muscle volume loss (pre-sarcopenia) in patients receiving lenvatinib as treatment for unresectable hepatocellular carcinoma (u-HCC). METHODS: Of 437 u-HCC patients treated with lenvatinib at specific institutions in Japan between March 2018 and May 2020, 151 with available computed tomography imaging data from the time of lenvatinib introduction were enrolled. Pre-sarcopenia was diagnosed based on a previously reported cut-off value calculation formula [psoas muscle area at level of middle of third lumbar vertebra (cm2 )/height (m)2 ]. Clinical features and prognostic factors for overall survival (OS) with inverse probability weighting were investigated retrospectively for their relationship with pre-sarcopenia. RESULTS: Cox hazard multivariate analysis showed alpha-fetoprotein (≥400 ng/mL) (hazard ratio [HR] 2.271, P < 0.001), Barcelona Clinic Liver Cancer stage (C and D) (HR 1.625, P = 0.018), and positive for pre-sarcopenia (HR 1.652, P = 0.042) to be significant prognostic factors. OS rates for the pre-sarcopenia group (n = 41) were worse than those for the non-pre-sarcopenia group (n = 110) (0.5-, 1-, and 1.5-year OS: 72.5%, 27.9%, and 7.0% vs 80.7%, 56.7%, and 46.1%, respectively; P < 0.001), as was progression-free survival (P = 0.025). Time to stopping lenvatinib or disease progression was better in the non-pre-sarcopenia group (0.5-, 1-, and 1.5-year OS: 48.0%, 24.5%, and 8.4% vs 20.0%, 10.3%, and 4.2%, respectively; P < 0.001). Also, the frequency of the adverse event appetite loss (any grade) was greater in the pre-sarcopenia group (43.9% vs 18.2%, P = 0.003). CONCLUSION: Pre-sarcopenia was shown to be a significant prognostic factor in patients treated with lenvatinib for u-HCC.

DOI： 10.1111/jgh.15336

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Hepatocellular carcinoma (HCC) can de novo develop in patients with chronic hepatitis C even after the achievement of sustained virologic response (SVR). We characterized de novo HCC after SVR, comparing it with HCC that developed in patients during persistent hepatitis C virus (HCV) infection. Characteristics, survival rates, and recurrence rates after curative treatment in 178 patients who developed initial HCC after SVR diagnosed between 2014 and 2020 were compared with those of 127 patients with initial HCC that developed during persistent HCV infection diagnosed between 2011 and 2015; HCC was detected under surveillance in both groups. HCC was less advanced and liver function worsened less in patients with SVR than in patients with persistent HCV. The survival rate after diagnosis was significantly higher for patients with SVR than for patients with persistent HCV (1-, 3-, and 5-year survival rates, 98.2%, 92.5%, and 86.8% versus 89.5%, 74.7%, and 60.8%, respectively; P < 0.001). By contrast, the recurrence rate after curative treatment was similar between groups (1-, 3-, and 5-year recurrence rates, 11.6%, 54.6%, and 60.4% versus 24.0%, 46.7%, and 50.4%, respectively; P = 0.7484). Liver function improved between initial HCC diagnosis and recurrence in patients with SVR (P = 0.0191), whereas it worsened in the control group (P < 0.001). In addition, patients with SVR could receive curative treatment for recurrence more frequently than patients with persistent HCV (80.4% versus 47.8%, respectively; P = 0.0008). Conclusion: Survival of patients with de novo HCC after SVR was significantly higher than that of patients in whom HCC developed during persistent HCV infection, despite similar rates of recurrence after curative treatment. A higher prevalence of curative treatment for recurrent HCC and improved liver function contributed to this result.

DOI： 10.1002/hep4.1716

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Chronic hepatitis C virus (HCV) infection can progress to liver cirrhosis and hepatocellular carcinoma. Interferon-based treatment was previously the only antiviral therapy for chronic hepatitis C infection; however, development of interferon-free, direct-acting antivirals, in 2014, markedly improved treatment efficacy and safety. Treatment indications were expanded to include elderly adults, patients with advanced liver fibrosis, and patients with chronic hepatitis C infection complicated by chronic kidney disease, for whom antiviral therapy had been difficult or contraindicated. The median age of patients with chronic HCV infection in Japan is 70 years, older than in other countries. Because diminished renal function is common in elderly adults, a safe and effective treatment for chronic hepatitis C complicated by chronic kidney disease has been expected in Japan. In addition, the HCV antibody-positive rate is higher in hemodialysis patients than in non-hemodialysis patients in Japan. Numerous studies have reported that direct-acting antivirals are safe and effective for hepatitis C patients on hemodialysis. This review summarizes treatments available in Japanese clinical practice for patients with chronic HCV infection complicated by chronic kidney disease, including hemodialysis patients.

DOI： 10.1272/jnms.JNMS.2021_88-316

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Although atezolizumab plus bevacizumab (Atez/bev) treatment has been developed for unresectable hepatocellular carcinoma (u-HCC), changes in hepatic function during therapy have yet to be reported. AIM: This retrospective clinical study aimed to elucidate early responses to Atez/Bev. METHODS: From September 2020 to April 2021, 171 u-HCC patients undergoing Atez/Bev treatment were enrolled (BCLC stage A:B:C:D = 5:68:96:2). Of those, 75 had no prior history of systemic treatment. Relative changes in hepatic function and therapeutic response were assessed using albumin-bilirubin (ALBI) score and Response Evaluation Criteria in Solid Tumors (RECIST), ver. 1.1, respectively. RESULTS: In initial imaging examination findings, objective response rates for early tumor shrinkage and disease control after 6 weeks (ORR-6W/DCR-6W) were 10.6%/79.6%. Similar response results were observed in patients with and without a past history of systemic treatment (ORR-6W/DCR-6W = 9.7%/77.8% and 12.2%/82.9%), as well as patients in whom Atez/Bev was used as post-progression treatment following lenvatinib (ORR-6W/DCR-6W = 7.7%/79.5%), for which no known effective post-progression treatment has been established. In 111 patients who underwent a 6-week observation period, ALBI score was significantly worsened at 3 weeks after introducing Atez/Bev (-2.525 ± 0.419 vs -2.323 ± 0.445, p < .001), but then recovered at 6-weeks (-2.403 ± 0.452) as compared to 3-weeks (p = .001). During the observation period, the most common adverse events were appetite loss (all grades) (12.3%), general fatigue/hypertension (all grades) (11.1%, respectively), and urine protein (all grades) (10.5%). CONCLUSION: Atez/Bev might have therapeutic potential not only as first but also later-line treatment of existing molecular target agents. In addition, this drug combination may have less influence on hepatic function during the early period, as the present patients showed a good initial therapeutic response.

DOI： 10.1002/cnr2.1464

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

INTRODUCTION: Entecavir (ETV) and tenofovir alafenamide (TAF) are both first-line hepatitis B virus (HBV) therapies, but ETV-to-TAF switch outcome data are limited. We aimed to assess outcomes up to 96 weeks after ETV-to-TAF switch. METHODS: ETV-treated (≥12 months) chronic hepatitis B patients switched to TAF in routine practice at 15 centers (United States, Korea, Japan, and Taiwan) were included. Primary outcome was complete viral suppression (CVS) rate (HBV DNA <20 IU/mL). RESULTS: We analyzed 425 eligible patients (mean age 60.7 ± 13.2 years, 60% men, 90.8% Asian, 20.7% with diabetes, 27% with hypertension, 14.8% with cirrhosis, 8.3% with hepatocellular carcinoma, and mean ETV duration before switch 6.16 ± 3.17 years). The mean baseline estimated glomerular filtration rate (eGFR) was 89 ± 19 (chronic kidney disease [CKD] stages: 55.6% stage 1, 35.7% stage 2, and 8.8% stages 3-5). CVS rate increased from 91.90% at switch (from 90.46% 24 weeks before switch) to 95.57% and 97.21% at 48 and 96 weeks after (P = 0.03 and 0.02, respectively). Over the 96 weeks after switch, mean HBV DNA (P < 0.001) but not alanine aminotransferase or CKD stage decreased. Between switch and 96-week follow-up, 11% (26/235) of CKD stage 1 patients migrated to stage 2 and 8% (12/151) of stage 2 patients to stages 3-5, whereas 18% (27/151) from stage 2 to 1, and 19% (7/37) from stages 3-5 to 2. On multivariable generalized estimated equation analysis adjusted for age, sex, hypertension, diabetes, and cirrhosis, baseline eGFR, age (P < 0.001), and CKD stages 2 and 3-5 (vs 1) (both P < 0.001) were associated with lower follow-up eGFR. DISCUSSION: After an average of 6 years on ETV, CVS increased from 91.9% at TAF switch to 97.2% at 96 weeks later.

DOI： 10.14309/ajg.0000000000001157

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Sarcopenia worsens patient prognoses in chronic liver disease. This study aimed to elucidate the effects of vitamin D supplementation on skeletal muscle volume and strength in patients with decompensated cirrhosis. METHODS: Thirty-three patients were entered into the study based on the criteria and then randomly assigned to two groups: Group A (n = 17), the control group, and Group B (n = 16), those who received oral native vitamin D3 at a dose of 2000 IU once a day for 12 months. RESULTS: SMI values in Group B were significantly increased at 12 months (7.64 × 10-3). The extent of changes in the SMI and grip strength in Group B were significantly greater than that in Group A at 12 months (p = 2.57 × 10-3 and 9.07 × 10-3). The median change rates in the SMI were +5.8% and the prevalence of sarcopenia was significantly decreased from 80.0% (12/15) to 33.3% (5/15; p = 2.53 × 10-2) in Group B. CONCLUSIONS: Vitamin D supplementation might be an effective and safe treatment option for patients with decompensated cirrhosis to increase or restore the skeletal muscle volume and strength or prevent the muscle volume and strength losses.

DOI： 10.3390/nu13061874

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Background/Aim: An effective postprogression treatment of lenvatinib (LEN) against unresectable hepatocellular carcinoma (u-HCC) has not been established. We aimed to elucidate the clinical role of continuing LEN beyond progression of disease (PD). Methods: From March 2018 to October 2020, 99 u-HCC patients, in whom PD was confirmed (male:female = 78:21, median age 72 years, Child-Pugh A = 99, Barcelona Clinic Liver Cancer stage A:B:C = 2:43:54, LEN as first-line = 55), were enrolled (stopped LEN at PD [A group], n = 26; continued LEN beyond PD [B group], n = 73). Radiological response was evaluated with RECIST 1.1. Clinical features and prognostic factors for overall survival (OS) were retrospectively investigated using inverse probability weighting (IPW) calculated by propensity score. Results: Median time to progression, best response, and modified albumin-bilirubin grade (mALBI) at both baseline and PD did not show significant difference between the groups. Postprogression treatment in the A group was best supportive care in 17, sorafenib in 4, regorafenib in 3, ramucirumab in 1, and hepatic arterial infusion chemotherapy in 1. After adjusting with IPW, the B group showed better prognosis in regard to OS after PD and OS after introducing LEN than the A group (10.8/19.6 vs. 5.8/11.2 months, p < 0.001, respectively). In IPW-adjusted Cox hazard multivariate analysis, significant prognostic factors for OS after PD were mALBI 2b/3 at PD (HR 1.983, p = 0.021), decline of Eastern Cooperative Oncology Group performance status (ECOG PS) from baseline at PD (HR 3.180, p < 0.001), elevated alpha-fetoprotein (≥100 ng/mL) at introducing LEN (HR 2.511, p = 0.004), appearance of new extrahepatic metastasis (HR 2.396, p = 0.006), positive for hand-foot skin reaction (HFSR) before PD (any grade) (HR 0.292, p < 0.001), and continuing LEN beyond PD (HR 0.297, p < 0.001). Conclusion: When ECOG PS and hepatic reserve function permit, continuing LEN treatment beyond PD, especially in u-HCC patients showed HFSR during LEN treatment, might be a good therapeutic option, at least until a more effective drug as a postprogression treatment after LEN failure is developed.

DOI： 10.1159/000513355

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Background: Lenvatinib is used for unresectable hepatocellular carcinoma (u-HCC) as first-line, as well as second- and third-line therapy in Japan. We evaluated the therapeutic efficacy of newly developed ramucirumab when given after lenvatinib for post-progression treatment. Methods: Of 385 patients with u-HCC and treated with lenvatinib at 16 different institutions in Japan between May 2018 and January 2020, 28 who received ramucirumab as the next treatment were enrolled and therapeutic responses were evaluated in a retrospective manner. Results: The median age of the 28 patients given ramucirumab was 70 years and the median albumin-bilirubin score was -2.19. Of the 28 patients, 23 were male, 21 were classified as Child-Pugh A and 7 as Child-Pugh B, and 25 were Barcelona Clinic Liver Cancer Stage C. Ramucirumab was given as second-line therapy in 14, third-line in 9, and fourth-line in 5. Therapeutic response was obtained in only 26 patients; the objective response rate was 3.8% (1/26) and the disease-control rate was 42.3% (11/26), with a median period to progression of 2.0 months. The reasons for discontinuation of ramucirumab were progression of disease in 16 and Grade 3 adverse events (gastrointestinal bleeding, ascites) in 2. Conclusions: The anticipated therapeutic efficacy of ramucirumab for post-progression treatment following lenvatinib was not seen in our early experience.

DOI： 10.1093/gastro/goaa042

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Background and Aim: Although tenofovir alafenamide (TAF), as well as entecavir (ETV), is widely used as first-line treatment for patients with chronic hepatitis B, there are only a few studies comparing sequential therapy from ETV to TAF and continuous ETV monotherapy in patients with maintained virologic response to ETV. Methods: In a retrospective multicenter study, we investigated the efficacy and safety of sequential therapy from ETV to TAF (ETV-TAF group) and compared them with continuous ETV monotherapy (ETV group), using propensity score matching, in chronic hepatitis B patients. Results: From 442 patients, we analyzed 142 patients from each group comprising 71 patients matched for several data, including age, HBV genotype, hepatitis B envelope antigen, cirrhosis, alanine aminotransferase, platelet count, prior ETV monotherapy period, and hepatitis B surface antigen (HBsAg) change during prior ETV monotherapy. In the ETV-TAF group, HBsAg levels significantly decreased from baseline to 48 weeks after switching to TAF (-0.02 log IU/mL, P = 0.038). HBcrAg levels also significantly decreased after switching to TAF (-0.1 log IU/mL, P = 0.004). However, there were no significant differences in the reduction of HBsAg and HBcrAg levels between the ETV-TAF and ETV groups. There was no significant difference in the change of estimated glomerular filtration rate levels from baseline to 48 weeks between the two groups. Conclusions: The present study indicated that the efficacy, especially of the HBsAg-reducing action, and safety of sequential therapy from ETV to TAF were similar to those of continuous ETV monotherapy among chronic hepatitis B patients with maintained virologic response to ETV.

DOI： 10.1002/jgh3.12443

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Non-alcoholic fatty liver disease (NAFLD) is a progressive disorder that can develop into liver fibrosis and hepatocellular carcinoma. Natural killer (NK) cells have been shown to protect against liver fibrosis and tumorigenesis, suggesting that they may also play a role in the pathogenesis of NAFLD. Sialic acid-binding immunoglobulin-like lectins (Siglecs) are a family of inhibitory and activating receptors expressed by many cell types, including NK cells. Here, we investigated the phenotypic profiles of peripheral blood and intrahepatic NK cells, including expression of Siglecs and immune checkpoint molecules, and their association with NK cell function in patients with NAFLD. Immune cells in the peripheral blood of 42 patients with biopsy-proven NAFLD and 13 healthy volunteers (HVs) were identified by mass cytometry. The function of various NK cell subpopulations was assessed by flow cytometric detection of intracellular IFN-γ and CD107a/LAMP-1, a degranulation marker, after in vitro stimulation. We found that peripheral blood from NAFLD patients, regardless of fibrosis stage, contained significantly fewer total CD56+ NK cell and CD56dim NK cell populations compared with HVs, and the CD56dim cells from NAFLD patients were functionally impaired. Among the Siglecs examined, NK cells predominantly expressed Siglec-7 and Siglec-9, and both the expression levels of Siglec-7 and Siglec-9 on NK cells and the frequencies of Siglec-7+CD56dim NK cells were reduced in NAFLD patients. Notably, Siglec-7 levels on CD56dim NK cells were inversely correlated with PD-1, CD57, and ILT2 levels and positively correlated with NKp30 and NKp46 levels. Further subtyping of NK cells identified a highly dysfunctional Siglec-7-CD57+PD-1+CD56dim NK cell subset that was increased in patients with NAFLD, even those with mild liver fibrosis. Intrahepatic NK cells from NAFLD patients expressed elevated levels of NKG2D and CD69, suggesting a more activated phenotype than normal liver NK cells. These data identify a close association between NK cell function and expression of Siglec-7, CD57, and PD-1 that could potentially be therapeutically targeted in NAFLD.

DOI： 10.3389/fimmu.2021.603133

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Evaluating liver fibrosis is crucial for disease severity assessment, treatment decisions, and hepatocarcinogenic risk prediction among patients with chronic hepatitis C. In this retrospective multicenter study, we aimed to construct a novel model formula to predict cirrhosis. A total of 749 patients were randomly allocated to training and validation sets at a ratio of 2:1. Liver stiffness measurement (LSM) was made via transient elastography using FibroScan. Patients with LSM ≥12.5 kPa were regarded as having cirrhosis. The best model formula for predicting cirrhosis was constructed based on factors significantly and independently associated with LSM (≥12.5 kPa) using multivariate regression analysis. Among the 749 patients, 198 (26.4%) had LSM ≥12.5 kPa. In the training set, multivariate analysis identified logarithm natural (ln) type IV collagen 7S, ln hyaluronic acid, and ln Wisteria floribunda agglutinin positive Mac-2-binding protein (WFA+-Mac-2 BP) as the factors that were significantly and independently associated with LSM ≥12.5 kPa. Thus, the formula was constructed as follows: score = -6.154 + 1.166 × ln type IV collagen 7S + 0.526 × ln hyaluronic acid + 1.069 × WFA+-Mac-2 BP. The novel formula yielded the highest area under the curve (0.882; optimal cutoff, -0.381), specificity (81.5%), positive predictive values (62.6%), and predictive accuracy (81.6%) for predicting LSM ≥12.5 kPa among fibrosis markers and indices. These results were almost similar to those in the validated set, indicating the reproducibility and validity of the novel formula. The novel formula scores were significantly, strongly, and positively correlated with LSM values in both the training and validation data sets (correlation coefficient, 0.721 and 0.762; p = 2.67 × 10-81 and 1.88 × 10-48, respectively). In conclusion, the novel formula was highly capable of diagnosing cirrhosis in patients with chronic hepatitis C and exhibited better diagnostic performance compared to conventional fibrosis markers and indices.

DOI： 10.1371/journal.pone.0257166

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Objective Pegylated-interferon monotherapy is the standard treatment for patients with chronic hepatitis B; however, the factors associated with its therapeutic effects remain unclear. Methods Patients with chronic hepatitis B were treated with pegylated interferon α-2a for 48 weeks. We evaluated the kinetics of hepatitis B surface antigen (HBsAg) during treatment and follow-up periods and the factors associated with an HBsAg response (defined as a change in HBsAg of ≥-1 log IU/mL from baseline). Results The study population comprised 50 patients. The median baseline levels of hepatitis B virus DNA and HBsAg were 5.00 and 3.40 log IU/mL. The median values of HBsAg reduction from baseline were -0.44 (n=48), -0.41 (n=40), and -0.68 (n=11) log IU/mL at the end of treatment and at 48 and 144 weeks post-treatment, respectively. The rates of HBsAg response were 24.0% and 22.5% at the end of treatment and at 48 weeks post-treatment, respectively. A multivariate analysis identified HBsAg <3.00 log IU/mL as an independent baseline factor contributing to the HBsAg response at the end of treatment and 48 weeks post-treatment (p=1.07×10-2 and 4.42×10-2, respectively). There were significant differences in the reduction of the HBsAg levels at 12 weeks of treatment and in the incidence of serum ALT increase during treatment between patients with and without an HBsAg response. Conclusion These findings suggest that the baseline HBsAg level, HBsAg kinetics at 12 weeks of treatment, and ALT increase during treatment are important factors contributing to the HBsAg response in pegylated interferon α-2a monotherapy for patients with chronic hepatitis B.

DOI： 10.2169/internalmedicine.5432-20

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM/BACKGROUND: Transarterial chemoembolization (TACE) is recommended for patients with intermediate-stage hepatocellular carcinoma (HCC). In this study, we investigated the impact of early lenvatinib administration in patients with intermediate-stage HCC, especially those with tumors beyond the up-to-7 criteria. MATERIALS/METHODS: A total of 208 patients with intermediate-stage HCC whose initial treatment was early lenvatinib administration or TACE were enrolled. Multivariate overall survival analysis was performed in this cohort. In addition, the impact of early lenvatinib administration on survival in patients with HCC beyond the up-to-7 criteria was clarified using inverse probability weighting (IPW) analysis. RESULTS: The overall cumulative survival rates at 6, 12, 18, and 24 months were 94.4, 79.9, 65.8, and 50.1%, respectively. Multivariate analysis with Cox proportional hazards modeling showed that HCC treatment with lenvatinib (hazard ratio [HR], 0.199; 95% confidence interval [CI], 0.077-0.517; p < 0.001), α-fetoprotein ≥100 ng/mL (HR, 1.687), Child-Pugh class B disease (HR, 1.825), and beyond the up-to-7 criteria (HR, 2.016) were independently associated with overall survival. The 6-, 12-, 18-, and 24-month cumulative survival rates were 96.0, 90.4, 65.7, and 65.7%, respectively, in patients treated with lenvatinib, and 94.1, 78.5, 65.3, and 48.4%, respectively, in patients who received TACE (p < 0.001). In addition, univariate analysis with Cox proportional hazards modeling adjusted by IPW showed that lenvatinib therapy was significantly associated with overall survival in patients with HCC beyond the up-to-7 criteria (HR, 0.230; 95% CI, 0.059-0.904; p = 0.035). CONCLUSIONS: Lenvatinib may be a suitable first-line treatment for patients with intermediate-stage HCC beyond the up-to-7 criteria.

DOI： 10.1159/000515896

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Background: Although sodium-glucose cotransporter 2 inhibitors (SGLT2-Is) improve not only glycemic control but also liver inflammation and fatty changes in patients with non-alcoholic fatty liver disease (NAFLD) and type 2 diabetes mellitus (T2DM), its sustainability and effect on liver fibrosis have remained unclear. The current study aimed to clarify the effects of 48-week SGLT2-I therapy on liver inflammation, fatty changes, and fibrosis in NAFLD patients with T2DM. Methods: This study evaluated the effects of SGLT2-I on NAFLD, including liver fibrosis assessed via transient elastography, in 56 patients with NAFLD who received SGLT2-I for 48 weeks. Moreover, changes in each clinical parameter between patients receiving SGLT2-I (the SGLT2-I group) and those receiving other oral hypoglycemic agents (OHAs) (the non-SGLT2-I group) were compared, using 1:1 propensity score matching to adjust for baseline factors. Results: The SGLT2-I group exhibited a significant decrease in controlled attenuation parameter (312 dB/m at baseline to 280 dB/m at week 48) and liver stiffness measurement (9.1-6.7 kPa) (p < 0.001 for both). After propensity score matching (44 patients each in the SGLT2-I and non-SGLT2-I groups), no significant difference in HbA1c decrease was observed between the two groups. However, compared with the non-SGLT2-I group, the SGLT2-I group showed a significant decrease in body weight (p < 0.001), alanine aminotransferase (p = 0.02), uric acid (p < 0.001), and Fibrosis-4 (FIB-4) index (p = 0.01) at week 48. The improvement in FIB-4 index, defined as a ⩾10% decline from baseline at week 48, was 56.8% (25/44) in the SGLT2-I group and 20.5% (9/44) in the non-SGLT2-I group (p < 0.001). Conclusion: SGLT2-Is improved not only glycemic control but also liver fatty infiltration and fibrosis in patients with NAFLD and T2DM, suggesting their possible superiority to other OHAs concerning these effects.

DOI： 10.1177/20420188211000243

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

INTRODUCTION: Clinical trials of direct-acting antivirals for patients with decompensated cirrhosis have been conducted, but there is limited information on the medicinal applications in clinical settings. We aimed to evaluate the safety and efficacy of sofosbuvir/velpatasvir for decompensated cirrhotic patients with genotypes 1 and 2 in real-world clinical practice. METHODS: A prospective, multicenter study of 12-week sofosbuvir/velpatasvir was conducted for patients with decompensated cirrhosis at 33 institutions. RESULTS: The cohort included 71 patients (52 genotype 1, 19 genotype 2): 7 with Child-Pugh class A, 47 with class B, and 17 with class C (median score 8; range 5-13). The albumin-bilirubin (ALBI) score ranged from - 3.01 to - 0.45 (median - 1.58). Sixty-nine patients (97.2%) completed treatment as scheduled. The overall rate of sustained virologic response at 12 weeks post-treatment (SVR12) was 94.4% (67/71). SVR12 rates in the patients with Child-Pugh classes A, B, and C were 85.7%, 97.9%, and 88.2%, respectively. Among 22 patients with a history of hepatocellular carcinoma treatment, 20 (90.9%) achieved SVR12. The Child-Pugh score and ALBI grade significantly improved after achieving SVR12 (p = 7.19 × 10-4 and 2.42 × 10-4, respectively). Notably, the use of diuretics and branched-chain amino acid preparations significantly reduced after achieving SVR12. Adverse events were observed in 19.7% of the patients, leading to treatment discontinuation in two patients with cholecystitis and esophageal varices rupture, respectively. CONCLUSION: Twelve weeks of sofosbuvir/velpatasvir in real-world clinical practice yielded high SVR rates and acceptable safety profiles in decompensated cirrhotic patients with genotypes 1 and 2. Achievement of SVR not only restored the liver functional reserve but also reduced or spared the administration of drugs for related complications. TRIAL REGISTRATION: UMIN registration no, 000038587.

DOI： 10.1007/s40121-020-00329-y

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Portopulmonary hypertension (PoPH) is a well-known complication of liver cirrhosis. The aim of this study was to clarify the pulmonary hemodynamics and the prevalence and characteristics of PoPH in patients with portal hypertension. METHODS: The subjects were 335 patients with portal hypertension diagnosed by hepatic vein pressure gradient (HVPG). Among them, 186 patients received measurements of pulmonary artery pressure (PAP), pulmonary artery wedge pressure (PAWP) and pulmonary vascular resistance (PVR). PoPH was diagnosed by PAP >20 mmHg, PVR ≥3 Wood units (WU) and PAWP ≤15 mmHg. RESULTS: The Child-Pugh classification was class A in 53, B in 92 and C in 41 patients. Median (range) values of HVPG, PAP, PVR and PAWP were 18.4 (5.5-39.0) mmHg, 12.9 (6.6-40.8) mmHg, 0.8 (0.1-4.5) WU and 7.5 (2.2-15.4) mmHg, respectively. Of six patients with PAP >20 mmHg, four had autoimmune hepatitis or primary biliary cholangitis, with the prevalence being significantly higher than that in patients with PAP ≤20 mmHg. Meanwhile, no significant difference was noted in the hepatic functional reserve or HVPG between patients with PAP >20 mmHg and ≤20 mmHg. Only two patients met the diagnostic criteria of PoPH and both patients were Child-Pugh B. The Child-Pugh score and HVPG were not associated with PoPH. CONCLUSIONS: Our study demonstrated that only two patients were complicated by PoPH. High PAP values were noted in patients with primary biliary cholangitis or autoimmune hepatitis. However, the presence of PoPH and high PAP were not associated with the degree of hepatic functional reserve or HVPG.

DOI： 10.1111/hepr.13560

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Type 2 diabetes (T2D) is associated with diabetic nephropathy as well as nonalcoholic steatohepatitis (NASH), which can be called "diabetic hepatopathy or diabetic liver disease". NASH, a severe form of nonalcoholic fatty disease (NAFLD), can sometimes progress to cirrhosis, hepatocellular carcinoma and hepatic failure. T2D patients are at higher risk for liver-related mortality compared with the nondiabetic population. NAFLD is closely associated with chronic kidney disease (CKD) or diabetic nephropathy according to cross-sectional and longitudinal studies. Simultaneous kidney liver transplantation (SKLT) is dramatically increasing in the United States, because NASH-related cirrhosis often complicates end-stage renal disease. Growing evidence suggests that NAFLD and CKD share common pathogenetic mechanisms and potential therapeutic targets. Glucagon-like peptide 1 (GLP-1) receptor agonists and sodium-glucose cotransporter 2 (SGLT2) inhibitors are expected to ameliorate NASH and diabetic nephropathy/CKD. There are no approved therapies for NASH, but a variety of drug pipelines are now under development. Several agents of them can also ameliorate diabetic nephropathy/CKD, including peroxisome proliferator-activated receptors agonists, apoptosis signaling kinase 1 inhibitor, nuclear factor-erythroid-2-related factor 2 activator, C-C chemokine receptor types 2/5 antagonist and nonsteroidal mineral corticoid receptor antagonist. This review focuses on common drug pipelines in the treatment of diabetic nephropathy and hepatopathy.

DOI： 10.3390/ijms21144939

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND AND AIM: The prognosis of cirrhotic patients with hepatic edema is poor. Although several short-term predictors of tolvaptan (novel diuretic agent) treatment for such patients have been reported, the factors related to long-term survival are still unclear. METHODS: Among 459 patients with hepatic edema enrolled in a retrospective, multicenter collaborative study, we analyzed 407 patients who received tolvaptan. RESULTS: Patients consisted of 266 men and 141 women, with the median age of 68 years (range, 28-93 years). The frequency of short-term responders to tolvaptan was 59.7% (243/407). In the Cox regression analysis, short-term response to tolvaptan, low average dosages of furosemide and spironolactone during tolvaptan treatment, Child-Pugh classification A and B, and absence of hepatocellular carcinoma were independent factors contributed to 1-year survival. The 1-year and long-term cumulative survival rates in short-term responders were significantly higher than those in non-responders (P = 0.011 and 0.010, respectively). Using a receiver operating characteristic curve analysis, the optimal cut-off values of average daily dosages of furosemide and spironolactone for predicting 1-year survival were 19 and 23 mg/day, respectively. The long-term cumulative survival rates in patients who received a mean dosage of spironolactone < 23 mg/day during tolvaptan treatment were significantly higher than those receiving a mean dosage of ≥ 23 mg/day (P = 0.001). CONCLUSIONS: The present study suggests that the short-term response to tolvaptan and low dosages of conventional diuretics during tolvaptan treatment might improve the 1-year and long-term survival rates in cirrhotic patients with hepatic edema.

DOI： 10.1111/jgh.14965

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: Although the association of vitamin D with primary sarcopenia has been extensively investigated, its relationship with secondary sarcopenia in patients with liver disease remains unclear. This study aimed to identify factors associated with sarcopenia in patients with chronic liver disease with a focus on serum vitamin D levels. METHODS: The study included 204 patients with chronic liver disease. Independent factors significantly associated with sarcopenia were determined using multiple logistic regression analysis. The sarcopenia diagnosis was based on the sarcopenia criteria proposed by the Japan Society of Hepatology. Serum 25-hydroxyvitamin D3 (25[OH]D3 ) levels to represent serum vitamin D levels were measured using double-antibody radioimmunoassay, and vitamin D deficiency was defined as a serum 25(OH)D3 level of ≤20 ng/mL. RESULTS: The prevalence of sarcopenia in the cirrhotic patients (28/76, 36.8%) was significantly higher than that in the non-cirrhotic patients (18/128, 14.1%; P = 2.48 × 10-4 ). Sarcopenia was diagnosed in 44 (27.5%) of the 160 patients with vitamin D deficiency, and two (4.5%) of the 44 patients without vitamin D deficiency (P = 4.90 × 10-3 ). On multivariate analysis, advanced age (odds ratio 1.11; P = 2.10 × 10-4 ), low body mass index (odds ratio 1.42; p = 2.08 × 10-5 ), and low serum 25(OH)D3 level (odds ratio 1.13; p = 1.20 × 10-2 ) were significant, independent factors associated with sarcopenia. Serum 25(OH)D3 was positively correlated with grip strength and skeletal muscle mass index. CONCLUSION: Sarcopenia complicated by chronic liver disease was associated with advanced age, low body mass index, and low serum 25(OH)D3 level.

DOI： 10.1111/hepr.13485

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

OBJECTIVE: Lenvatinib, a newly developed molecularly targeted agent, has become available as a first-line therapy in patients with unresectable hepatocellular carcinoma (HCC). The platelet-to-lymphocyte ratio (PLR) has been associated with poor outcome in various malignancies, including HCC. In this study, we investigated the ability of PLR to predict outcomes in patients with unresectable HCC who received lenvatinib. METHODS: Multivariate survival analysis was performed in 283 patients with unresectable HCC who received lenvatinib. In addition, the utility of PLR for predicting survival was clarified using an inverse probability weighting (IPW) analysis. RESULTS: Cumulative overall survival at 100, 200, 300, 400, and 500 days was 95.2, 83.8, 68.3, 60.3, and 49.9%, respectively. Multivariate analysis with Cox proportional hazards modeling showed that PLR (≥150) [hazard ratio, 1.588; 95% confidence interval (CI), 1.039-2.428; P = 0.033], α-fetoprotein level, and Barcelona clinic liver cancer stage were independently associated with overall survival. Cumulative overall survival differed significantly between patients with low versus high PLR (P = 0.029). In addition, univariate analysis with Cox proportional hazards modeling adjusted by IPW showed that PLR (≥150) (hazard ratio, 1.396; 95% CI, 1.051-1.855; P = 0.021) was significantly associated with overall survival. Conversely, univariate analysis with Cox proportional hazards modeling adjusted only by IPW showed that PLR (≥150) (hazard ratio, 1.254; 95% CI, 1.016-1.549; P = 0.035) was significantly associated with progression-free survival. PLR values were not independently associated with therapeutic responses before or after IPW-adjusted logistic regression analysis. CONCLUSIONS: PLR predicted overall survival in patients with unresectable HCC who received lenvatinib.

DOI： 10.1097/MEG.0000000000001734

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: Non-alcoholic fatty liver disease (NAFLD) is a leading cause of liver disease worldwide. Because liver fibrosis is associated with the long-term prognosis of patients with NAFLD, there is an urgent need for non-invasive markers of liver fibrosis. Sialic acid-binding immunoglobulin-like lectin-7 (Siglec-7) is an immunomodulatory molecule expressed on various immune cells, including macrophages, which plays a key role in liver inflammation and fibrosis in NAFLD. We aimed to determine whether serum levels of soluble Siglec-7 (sSiglec-7) could have utility at a marker of fibrosis in this patient population. METHODS: We examined serum samples from 93 NAFLD patients and 19 healthy donors for macrophage-associated protein, including sSiglec-7, soluble CD163, and YKL-40, and examined their correlation with liver fibrosis scores, tissue elastography, and histological findings. Independent factors associated with advanced fibrosis were analyzed using a logistic regression model and a decision tree. To clarify the source of sSiglec-7, we examined its expression in liver tissue-derived macrophages and cultured monocyte-derived macrophages. RESULTS: Serum sSiglec-7 levels were significantly higher in NAFLD patients compared with healthy donors, and correlated positively with sCD163 and YKL-40 levels. Serum sSiglec-7 was an independent diagnostic marker with high specificity (96.3%) for advanced fibrosis (F3 and F4) in NAFLD patients. Siglec-7 was mainly expressed on CCR2+ macrophages in the liver, and sSiglec-7 production by monocyte-derived macrophages in vitro was increased after stimulation by pro-inflammatory factors. CONCLUSIONS: Elevated serum sSiglec-7 could serve as an independent marker with high specificity for advanced liver fibrosis in patients with NAFLD.

DOI： 10.1111/hepr.13464

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Direct-acting anti-virals (DAAs) have markedly improved the effectiveness of anti-viral therapy for chronic hepatitis C (CHC) patients. In a phase III trial in Japan, treatment with the NS3/4A protease inhibitor glecaprevir and the NS5A inhibitor pibrentasvir (G/P) resulted in a small number of patients with refractory factors. We aimed to evaluate the effectiveness and safety of G/P, especially among patients with these refractory factors, and the influence of these factors on treatment. METHODS: In a prospective, multicenter study involving 33 medical institutions, 1439 patients were treated with G/P, and their efficacy, safety, and most frequent adverse effects (AEs) were analyzed. RESULTS: Overall SVR12 rates were 99.1% (1397/1410) in the per-protocol-analysis, and genotype sustained virologic response SVR12 rates were: genotype 1, 99.4% (707/711); genotype 2, 99.4% (670/674); genotype 3, 80.0% (16/20). DAA-naïve patients (p = 0.008) with HCV genotype except 3 (genotype 1 vs. 3, p = 2.68 × 10-5; genotype 2 vs. 3, p = 3.28 × 10-5) had significantly higher SVR12 rates. No significant difference was observed between CKD stage 1-3 (99.1% [1209/1220]) and chronic kidney disease (CKD) stage 4-5 (98.9% [188/190]) patients, or between cirrhotic (99.0% [398/402]) and non-cirrhotic (99.1% [999/1008]) patients. Multiple logistic regression analysis revealed that genotype 3 [OR 33.404, 95% CI (7.512-148.550), p value (p = 4.06 × 10-5)] and past experience of IFN-free DAAs [OR 3.977, 95% CI (1.153-13.725), p value (p = 0.029)] were both significantly independent predictors of non-SVR12. AEs were reported in 28.2% of patients, and 1.6% discontinued treatment owing to drug-related AEs. AEs were significantly higher in CKD stage 4-5 (41.6% [79/190]) than CKD stage 1-3 (26.1% [319/1220]) patients (p = 2.00 × 10-5). AEs were also significantly higher in cirrhotic (38.6% [155/402]) than in non-cirrhotic (24.1% [243/1008]) (p = 2.91 × 10-18) patients. CONCLUSIONS: G/P regimen is highly effective and safe to treat CHC patients even with refractory factors such as CKD and advanced liver fibrosis. However, patients with past experience of IFN-free DAA treatment and genotype 3, CKD stage 4 or 5, and advanced liver fibrosis should be more closely observed.

DOI： 10.1007/s12072-020-10019-z

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Springer Science and Business Media LLC  

DOI： 10.1007/s12072-020-10019-z

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その他リンク： http://link.springer.com/article/10.1007/s12072-020-10019-z/fulltext.html

記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND AND AIMS: Lenvatinib, a newly developed molecularly targeted agent, has become available for patients with unresectable hepatocellular carcinoma (HCC). Neutrophil-to-lymphocyte ratio (NLR) has been reported to be associated with poor outcomes in numerous malignancies. In this study, we investigated the impact of NLR on associating outcomes in patients with HCC treated with lenvatinib. METHODS: A total of 237 patients with HCC treated with lenvatinib were included. We performed univariate and multivariate analysis in this cohort. In addition, we clarified appropriate cut-off NLR levels for associating overall survival using hazard ratio (HR) spline curves. RESULTS: Cumulative overall survival at 100, 200, and 300 days was 95.2%, 83.4%, and 66.6%, respectively. Multivariate analysis showed that NLR ≥4 (HR, 1.874; 95% confidence interval [CI], 1.097-3.119), α-fetoprotein ≥400 ng/mL (HR, 1.969; 95% CI, 1.188-3.265), and modified albumin-bilirubin grade 2b or 3 (HR, 2.123; 95% CI, 1.267-3.555) were independently associated with overall survival. Cumulative progression-free survival at 100, 200, and 300 days was 72.4%, 49.8%, and 38.7%, respectively. Multivariate analysis showed that NLR ≥4 (HR, 1.897; 95% CI, 1.268-2.837) and BCLC stage ≥C (HR, 1.516; 95% CI, 1.028-2.236) were independently associated with progression-free survival. Disease control rate was significantly difference between the patients with low NLR (<4) (85.5%) and high NLR (≥4) (67.3%) (p=0.007). Spline curve analysis revealed that NLR of approximately 3.0 to 4.5 is an appropriate cut-off for associating overall survival. CONCLUSIONS: NLR can be associated with outcomes in patients with HCC treated with lenvatinib.

DOI： 10.1111/liv.14405

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Predictive biomarkers of the response of hepatocellular carcinoma (HCC) to Lenvatinib therapy have not yet been clarified. The aim of this study was to identify clinically significant biomarkers of response to Lenvatinib therapy, to target strategies against HCC. Levels of circulating angiogenic factors (CAFs) were analyzed in blood samples collected at baseline and after introducing lenvatinib, from 74 Child-Pugh class A HCC patients who received lenvatinib. As CAF biomarkers, serum vascular endothelial growth factor (VEGF), fibroblast growth factor 19 (FGF19), FGF23, and angiopoietin-2 (Ang-2) were measured using enzyme-linked immunosorbent assays. Results: Significantly increased FGF19 (FGF19-i) levels and decreased Ang-2 (Ang-2-d) levels were seen in Lenvatinib responders as compared to non-responders (ratio of FGF19 level at 4 weeks/baseline in responders vs. non-responders: 2.09 vs. 1.32, respectively, p = 0.0004; ratio of Ang-2 level at four weeks/baseline: 0.584 vs. 0.810, respectively, p = 0.0002). Changes in FGF23 and VEGF levels at four weeks versus baseline, however, were not significantly different in responders versus non-responders. In multivariate analysis, the combination of serum FGF19-i and Ang-2-d was the most independent predictive factor for Lenvatinib response (Odds ratio, 9.143; p = 0.0012). Furthermore, this combination biomarker showed the greatest independent association with progression-free survival (Hazard ratio, 0.171; p = 0.0240). Early changes in circulating FGF19 and Ang-2 levels might be useful for predicting clinical response and progression-free survival in HCC patients on Lenvatinib therapy.

DOI： 10.3390/cancers12020293

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Background/Aim: Post-progression treatment following tyrosine-kinase inhibitor (TKI) failure in patients with unresectable hepatocellular carcinoma (u-HCC) is important to prolong post-progression survival (PPS), which has a good correlation with overall survival (OS). This study aimed to elucidate the clinical features of progressive disease (PD) in patients treated with lenvatinib (LEN). Materials/Methods: From March 2018 to June 2019, 156 u-HCC patients with Child-Pugh A were enrolled (median age: 71 years, Child-Pugh score 5:6 = 105:51, BCLC A:B:C = 8:56:92, modified albumin-bilirubin grade (mALBI) 1:2a:2b = 59:42:55, past history of sorafenib:regorafenib = 57:17). Clinical features were retrospectively evaluated. Results: The median observation period was 8.5 months. Median OS was not obtained, while median time to decline to Child-Pugh B (CPB) was 11.4 months, median time to progression (TTP) was 8.4 months, and the period of LEN administration was 7.3 months. When we compared predictive values for time to decline to CPB based on Child-Pugh score and mALBI, values for Akaike information criterion (AIC) score and c-index of mALBI were superior as compared to Child-Pugh score (AIC: 592.3 vs. 599.7) (c-index: 0.655 vs. 0.597). Of the 73 patients with PD, 32 (43.8%) showed no decline to CPB or death. After excluding 3 without alpha-fetoprotein data at PD determination, only 14 (20.0%) of 70 showed REACH-2 eligibility. Non-mALBI 1/2a at the start of LEN was a significant risk factor for decline to CPB during LEN treatment (HR 2.552, 95% CI: 1.577-4.129; p < 0.001). Conclusion: Introduction of TKI therapy including LEN for u-HCC patients with better hepatic function (mALBI 1/2a: ALBI score ≤-2.27), when possible, increases the chance of undergoing post-progression treatment, which can improve PPS.

DOI： 10.1159/000503031

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND/AIM: Few studies have examined the details of nutritional status in patients with unresectable hepatocellular carcinoma (u-HCC) undergoing systemic chemotherapy with lenvatinib. We evaluated the prognostic/predictive value of nutritional status using Onodera's prognostic nutritional index (O-PNI) for overall survival among patients with u-HCC treated with lenvatinib. METHODS: Three-hundred and seventy-five u-HCC patients treated with lenvatinib were enrolled (median age 72 years; Child-Pugh class A/B/C: n = 312/60/3; BCLC stage A/B/C/D: n = 2/159/212/2). We examined median survival time (MST) and time to progression (TTP) in all patients (n = 375), prognosis according to the O-PNI (high/low: >40/≤40) in 298 patients with lymphocyte findings, and the prognostic/predictive values of Child-Pugh stage, albumin-bilirubin (ALBI)/modified ALBI (mALBI) grade, and O-PNI for Chemotherapy grade (OPNIC grade 1/2/3: O-PNI >40/≤40 to >36/≤36). RESULTS: The MST and TTP were 16.6 and 8.0 months, respectively. The MST and TTP according to the O-PNI (>40/≤40) were "not reached" (NR)/12.4 months (p < 0.001) and 10.0/6.1 months (p = 0.012), respectively. There was a good correlation noted between ALBI score and O-PNI (r = -0.939, p < 0.001). The predictive value of the O-PNI for mALBI grade 2a was 36.0 (specificity/sensitivity = 0.894/0.942; area under the curve [AUC] = 0.978), while that for mALBI grade 1 was 39 (specificity/sensitivity = 0.920/0.929; AUC = 0.972), which was very similar to a high O-PNI. The MST analyzed with the OPNIC in the 298 patients was NR/16.2/10.4 months for OPNIC grade 1/2/3 (p < 0.001), respectively, and the c-index was 0.632, the same as that for mALBI grade (0.632), while that for Child-Pugh class was 0.571. CONCLUSIONS: OPNIC grading might have a potential for easy substitution of mALBI grading. A good nutritional status (OPNIC grade 1) or mALBI grade 1 is the best indication for lenvatinib use, while with an OPNIC grade 3, lenvatinib might be not suitable.

DOI： 10.1159/000506293

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1111/jvh.13170

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記述言語：英語  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

BACKGROUND: Vitamin D has promising anti-proliferative and anti-fibrotic properties, but its clinical utility in nonalcoholic fatty liver disease (NAFLD) is unclear. AIMS: This study aimed to clarify the association between vitamin D levels, single nucleotide polymorphisms (SNPs) in vitamin D-related genes, and the histopathological severity of disease in patients with biopsy-proven NAFLD. METHODS: SNPs in CYP2R1, DHCR7, vitamin D binding protein (GC), CYP27B1, and vitamin D receptor (VDR) were determined for 229 consecutive patients with biopsy-proven NAFLD. RESULTS: In this study, vitamin D deficiency defined as 25-hydroxyvitamin-D3 levels of ≤20 ng/mL was found in 151 patients (65.9%). Multivariate analysis revealed that cold season, advanced fibrosis, and CYP2R1 rs1993116 genotype non-AA were independent factors significantly associated with vitamin D deficiency. Old age (p = 5.05 × 10-8), high body mass index (p = 2.13 × 10-2), low total-cholesterol (p = 1.46 × 10-4), low serum vitamin D level (p = 7.34 × 10-3), and VDR rs1544410 genotype CC (p = 9.15 × 10-3) were independent factors associated with advanced liver fibrosis. CONCLUSION: Serum 25-hydroxyvitamin-D3 levels and the VDR gene SNP were significantly and independently associated with the severity of liver fibrosis in patients with biopsy-proven NAFLD.

DOI： 10.1016/j.dld.2018.12.022

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掲載種別：研究論文（学術雑誌）   出版者・発行元：Oxford University Press (OUP)  

DOI： 10.1093/ofid/ofz185

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その他リンク： http://academic.oup.com/ofid/article-pdf/6/5/ofz185/28668643/ofz185.pdf

記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: The aim of this study was to evaluate the efficacy and safety of community-based ombitasvir/paritaprevir/ritonavir plus ribavirin therapy for non-cirrhotic patients with hepatitis C virus (HCV) genotype 2a infection in a real-world setting. METHODS: Patients with HCV genotype 2a infection were enrolled in this study and received the therapy for 16 weeks at 11 specialized centers in Japan between October 2016 and July 2017. Among the 98 patients participating in the study, four patients were excluded because of the presence of cirrhosis and/or genotype 2b infection. The remaining 94 patients were subjected to the analysis. RESULTS: The patients consisted of 38 women and 56 men, with a median age of 63 years. The rate of sustained virologic response (SVR) was 97.9%. The SVR rates were similar between patients with and without ribavirin dose reduction (96.0% vs. 98.6%, respectively). Of the two patients in whom treatment failed, one patient completed the treatment but relapsed at 4 weeks post-treatment, whereas the other did not show virologic response and therefore discontinued treatment at week 9. At baseline, both patients had non-structural protein (NS)5A resistance-associated substitution (RAS) L31M but no NS3 RAS. At the time of relapse, the patient had NS5A RAS F28S. At the premature treatment discontinuation, the non-responder had NS3 RAS D168V and NS5A RAS T24S. Ribavirin-induced anemia was the most frequent adverse event. CONCLUSION: Community-based, 16-week, ombitasvir/paritaprevir/ritonavir plus ribavirin therapy was highly efficacious and safe in non-cirrhotic patients with HCV genotype 2a infection in a real-world setting.

DOI： 10.1111/hepr.13292

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記述言語：英語   出版者・発行元：ELSEVIER  

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

Although the presence of nonalcoholic fatty liver disease (NAFLD) is known to be related to subclinical atherosclerosis, the relationship between the severity of NAFLD and subclinical atherosclerosis is not clear. This study aimed to clarify the factors related to subclinical arteriosclerosis, including the histopathological severity of the disease and PNPLA3 gene polymorphisms, in NAFLD patients. We measured brachial-ankle pulse wave velocity (baPWV) as an index of arterial stiffness in 153 biopsy-proven NAFLD patients. The baPWV values were significantly higher in the advanced fibrosis group than in the less advanced group (median, 1679 cm/s vs 1489 cm/s; p = 5.49×10-4). Multiple logistic regression analysis revealed that older age (≥55 years) (p = 8.57×10-3; OR = 3.03), hypertension (p = 1.05×10-3; OR = 3.46), and advanced fibrosis (p = 9.22×10-3; OR = 2.94) were independently linked to baPWV ≥1600 cm/s. NAFLD patients were categorized into low-risk group (number of risk factors = 0), intermediate-risk group (= 1), and high-risk group (≥2) based on their risk factors, including older age, hypertension, and biopsy-confirmed advanced fibrosis. The prevalence of baPWV ≥1600 cm/s was 7.1% (3/42) in the low-risk group, 30.8% (12/39) in the intermediate-risk group, and 63.9% (46/72) in the high-risk group. Non-invasive liver fibrosis markers and scores, including the FIB-4 index, NAFLD fibrosis score, hyaluronic acid, Wisteria floribunda agglutinin positive Mac-2-binding protein, and type IV collagen 7s, were feasible substitutes for invasive liver biopsy. Older age, hypertension, and advanced fibrosis are independently related to arterial stiffness, and a combination of these three factors may predict risk of arteriosclerosis in NAFLD patients.

DOI： 10.1371/journal.pone.0224184

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DOI： 10.1111/hepr.13256

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DOI： 10.1111/1744-9987.12747

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: The aim of this study was to clarify the effects and safety of ombitasvir/paritaprevir/ritonavir (OBT/PTV/r) therapy in genotype 1b chronic hepatitis C patients with non-dialysis chronic kidney disease (CKD). METHODS: This retrospective, multicenter study of 12-week OBT/PTV/r therapy included genotype 1b patients with non-dialysis CKD. Chronic kidney disease was defined as an estimated glomerular filtration rate (eGFR) <60 mL/min/1.73 m2 . Virologic responses and treatment-emergent adverse events (TEAEs) in patients with CKD were compared with those in patients without CKD. RESULTS: Two hundred and thirty-five patients with a median age of 67 years (range, 27-89 years) were enrolled, consisting of 181 patients without CKD and 54 patients with CKD. Overall, the rates of rapid virologic response (RVR), end of treatment response (ETR), and sustained virologic response (SVR) were 78.7%, 98.7%, and 98.7%, respectively. Among the 181 non-CKD patients, the rates were 77.3% (140/181), 98.9% (179/181), and 98.9% (179/181), respectively. Among the 54 CKD patients, the rates were 83.3% (45/54), 98.1% (53/54), and 98.1% (53/54), respectively. There were no significant differences in the virologic response rates between the two groups (P = 0.449 for RVR, 0.545 for ETR, and 0.545 for SVR). In the CKD group, the eGFR level did not significantly change throughout the treatment period. There was no significant difference in the incidence of TEAEs or treatment discontinuation due to TEAEs between the two groups. CONCLUSION: The present study showed that the effects and safety of OBV/PTV/r therapy in genotype 1b chronic hepatitis C patients with non-dialysis CKD were not inferior to those in patients without CKD.

DOI： 10.1111/hepr.13058

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DOI： 10.1111/jgh.14047

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：Kowsar Medical Publishing Company  

Background: Although there are many reports on the relationship between serum 25-hydroxyvitamin D3 levels and chronic liver diseases, the relevance of the former to the latter is still unclear. Objectives: This study aimed at clarifying the relationship between serum 25-hydroxyvitamin D3 levels and HBV-related markers, such as HBV-DNA, hepatitis B surface antigen (HBsAg), and hepatitis B virus core-related antigen (HBcrAg) in patients with chronic hepatitis B. Methods: This was a multicenter retrospective study. The subjects consisted of 236 consecutive untreated patients with chronic hepatitis B. Serum 25-hydroxyvitamin D3 levels were measured by double-antibody radioimmunoassay. The 25-hydroxyvitamin D3 levels were divided to three groups: ≤ 20 ng/mL for deficiency, 21 to 29 ng/mL for insufficiency, and ≥ 30 ng/mL for sufficiency. Results: The subjects consisted of 127 males and 109 females, with a median age of 57 years (range, 15 to 84 years). The patients with positive HBeAg and genotype C accounted for 14.4% and 63.1%, respectively. The median HBV-DNA level and HBsAg level were 684 IU/mL and 750 IU/mL, respectively. The median serum 25-hydroxyvitamin D3 level was significantly lower in patients (21.0 ng/mL) than in healthy volunteers (25.0 ng/mL, P = 0.013). The median serum 25-hydroxyvitamin D3 level in patients with a serum HBsAg level ≥ 1000 IU/mL was significantly lower than that in patients with a serum HBsAg level of ≥ 1000 U/mL (P = 8.06 × 10-3). The incidence of the HBsAg level ≥ 1000 IU/mL was 55.8% in patients with vitamin D deficiency and 3 8.2% in patients with vitamin D insufficiency/sufficiency (P = 8.92 × 10-3). On multivariate analysis, female gender, the cold season, and a serum HBsAg level of ≥ 1000 IU/mL were independently associated with vitamin D deficiency. From the opposite viewpoint, vitamin D deficiency and high serum HBcrAg level were independent factors associated with an HBsAg level of ≥ 1000 IU/mL. Conclusions: This study suggests that serum vitamin D level is closely and negatively correlated with the HBsAg level in chronic hepatitis B patients.

DOI： 10.5812/hepatmon.63587

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

AIM: Serum Mac-2 binding protein (M2BP) and Wisteria floribunda agglutinin-positive Mac-2 binding protein (WFA+ -M2BP) are used to estimate the liver fibrosis stage in chronic liver diseases. However, few head-to-head studies have been carried out to compare the two biomarkers in non-alcoholic fatty liver disease (NAFLD). METHODS: Serum M2BP and WFA+ -M2BP levels were compared against clinical characteristics and liver histological manifestations in the same samples collected from 213 biopsy-proven NAFLD patients. RESULTS: Median levels (range) of M2BP and WFA+ -M2BP were 1.58 (0.70-7.75) pg/mL and 0.85 (0.22-11.32) cut-off index (COI), respectively. Fibrosis stages 1, 2, 3, and 4 were determined in 136, 37, 17, and 23 patients, respectively. Median levels of both biomarkers increased stepwise with fibrosis progression. The M2BP and WFA+ -M2BP levels showed a significant positive correlation (r = 0.643, P = 2.91 × 10-26 ), but a marked discrepancy between both biomarkers was noted in five stage 4 and three stage 1 patients, who had high WFA+ -M2BP but relatively low M2BP levels. Most of these outliers had findings suggestive of more advanced fibrosis. For diagnosing any fibrosis severity, WFA+ -M2BP had greater area under the receiver operating characteristic curve (AUC) and predictive accuracy than M2BP. Among eight fibrosis markers/indices, WFA+ -M2BP yielded the second highest AUC (0.832) and the highest predictive accuracy (82.2%) to diagnose cirrhosis. In addition, WFA+ -M2BP showed the second highest predictive accuracy to diagnose severe fibrosis (78.4%) and significant fibrosis (76.1%). CONCLUSION: This head-to-head comparison suggests that WFA+ -M2BP is superior to M2BP for distinguishing liver fibrosis stages in NAFLD patients. A marked discrepancy between the two biomarkers may be indicative of advanced NAFLD (UMIN000023286).

DOI： 10.1111/hepr.13046

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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DOI： 10.1007/s12072-018-9859-9

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記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1272/jnms.2018_85-18

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記述言語：日本語   出版者・発行元：一般社団法人 日本肝臓学会  

<p>In this prospective multicenter study, we evaluate the efficacy and safety of glecaprevir/pibrentasvir (GLE/PIB) combination therapy for genotype 1b chronic hepatitis C patients undergoing hemodialysis. Of 17 patients who received GLE/PIB for 8 or 12 weeks, 11 completed the treatment and the 12-week follow-up care that followed. All 11 patients (100%) achieved sustained virologic response 12 (SVR12). Adverse events were observed in 41.2% of all patients and the most frequent adverse event was pruritus. This study suggests that GLE/PIB combination therapy is highly effective and safe even in genotype 1b chronic hepatitis C patients undergoing hemodialysis.</p>

DOI： 10.2957/kanzo.59.578

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その他リンク： http://search.jamas.or.jp/link/ui/2019021699

記述言語：英語   掲載種別：研究論文（学術雑誌）  

DOI： 10.1371/journal.pone.0200664

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：WILEY  

AimFrom a pharmacokinetic viewpoint, the use of ombitasvir/paritaprevir/ritonavir, one of the standards of care for genotype 1b chronic hepatitis C in Japan, could be possible in patients with impaired renal function. The aim of this study was to assess the efficacy and safety of this combination that have not yet been addressed in patients undergoing dialysis.
MethodsA retrospective, multicenter study evaluated the outcome of 12-week ombitasvir (non-structural protein [NS]5A inhibitor)/paritaprevir (NS3/4A protease inhibitor)/ritonavir combination therapy for dialysis patients. The primary end-point was sustained virologic response 12weeks after therapy (SVR12).
ResultsThe subjects were 31 patients with a median age of 64years (range, 49-85years), including 10 cirrhotic patients. All of the 31 patients had an estimated glomerular filtration rate level&lt;15mL/min/1.73m(2), defined as end-stage renal disease (ESRD). Pre-existing resistance-associated substitutions at position L31 and Y93 of the NS5A region were detected in 0% and 3.6% (1/28), respectively. The rates of rapid virologic response, end-of-treatment response, and SVR12 were 93.5% (29/31), 100% (31/31), and 96.8% (30/31), respectively. The incidence of adverse events was 35.5% (11/31). Of the 11 patients, one discontinued the treatment due to erythema multiforme and thereafter relapsed. The most frequent adverse event was pruritus (6.5%; 2/31).
ConclusionsThe present study suggests that ombitasvir/paritaprevir/ritonavir combination therapy is effective and safe for genotype 1b chronic hepatitis C patients undergoing dialysis due to ESRD.

DOI： 10.1111/hepr.12910

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：ELSEVIER SCIENCE INC  

Background: The aim of this study was to clarify the effectiveness and safety of sofosbuvir/ribavirin therapy for elderly patients with genotype 2-infected chronic hepatitis C (CHC) in Japan.
Methods: A multicenter, retrospective study evaluated the effectiveness and safety of sofosbuvir/ribavirin based on real-world clinical data.
Results: The subjects consisted of 270 patients, 47.0% of whom were aged &gt;= 65 years. The sustained virological response rates in patients aged &lt; 65 and &gt;= 65 years were 98.6% and 95.3%, respectively. Hemoglobin levels decreased during treatment due to ribavirin-related hemolysis, and were significantly lower in patients aged &gt; 65 years than those aged &lt; 65 years at all time-points. A reduction in ribavirin dose was necessary in 31.0% (26/84) of patients with hemoglobin levels &lt; 13.0 g/dL and in 70.7% (39/127) of those aged &gt; 65 years. Although the most frequent adverse event was anemia, no patients discontinued the use of either ribavirin or sofosbuvir. The incidence of ribavirin-related anemia in patients aged &gt;= 65 years was 34.6% and significantly higher compared with that in patients aged &lt; 65 years (2.8%).
Conclusions: Treatment with sofosbuvir/ribavirin for genotype 2-infected CHC was effective and safe even for elderly patients, although the incidence of adverse events including ribavirin-related anemia was relatively high. (C) 2017 Editrice Gastroenterologica Italiana S.r.l. Published by Elsevier Ltd. All rights reserved.

DOI： 10.1016/j.dld.2017.04.012

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：WILEY  

Sorafenib, a multi-kinase inhibitor, inhibits tumor angiogenesis and is the first-line systemic therapy for patients with advanced hepatocellular carcinoma (HCC). However, due to its limited effects and frequent occurrence of side effects, biomarkers are needed to predict the effects of sorafenib. We considered the possibility of using TIE-2-expressing monocytes (TEMs) to predict the response in sorafenib-treated patients with advanced HCC. TEMs serve as a diagnostic marker of HCC and are related to angiogenesis. We analyzed 25 advanced HCC patients and prospectively evaluated TEMs before (Pre TEMs) and at 1 month after initial therapy (T1m TEMs). The radiologic response was evaluated by modified Response Evaluation Criteria in Solid Tumors (mRECIST). Median survival time (MST) was significantly longer in the partial response/stable disease (PR/SD) group (21.8 months) than in the PD group (8.7 months). Delta TEMs (changes of T1m TEMs compared to Pre TEMs) were significantly lower in the PR/SD group than in the PD group. MST of the Delta TEMs low group (14.2 months) was significantly longer than that of the high group (8.7 months). Univariate and multivariate Cox regression analyses showed that Delta TEMs [hazard ratio (HR) = 8.53, 95% confidence interval (CI) = 1.51-48.16, p=0.015] and Child-Pugh class (HR=5.59, 95% CI=1.06-29.63, p=0.043) were independently associated with overall survival. Our results suggest that Delta TEMs could serve as a biomarker for predicting radiologic response and overall survival in sorafenib-treated patients with advanced HCC.

DOI： 10.1002/ijc.30804

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：WILEY  

Aim: Although interferon-free therapy with direct-acting antivirals has developed as a standard of care for chronic hepatitis C, the existence of resistance-associated variants (RAVs) has a negative impact on treatment results. Recently, several studies indicated a relationship between chronic hepatitis C and serum vitamin D levels. However, the relationship between RAVs at the hepatitis C virus non-structure 5A (NS5A) region and serum vitamin D level has not yet been examined.
Methods: Among patients with genotype 1 chronic hepatitis C who were enrolled in a multicenter cooperative study, our subjects comprised 247 patients in whom it was possible to measure RAVs at the NS5A region. These RAVs were measured using a direct sequencing method.
Results: The median age of patients was 70 years (range, 2487 years), and the number of female patients was 135 (54.7%). The median serum 25(OH) D3 level was 22 ng/mL (range, 6-64 ng/mL). L31 and Y93 RAVs at the NS5A region were detected in 3.7% (9/247) and 13.4% (33/247) of patients, respectively. Multivariate analysis identified vitamin D deficiency (serum 25(OH) D3 &lt;= 20 ng/mL) (P = 5.91 x 10(5), odds ratio = 5.015) and elderly age (&gt;70 years) (P = 1.85x10(3), odds ratio = 3.364) as contributing independent factors associated with the presence of the L31 and/or Y93 RAVs. The Y93H RAV was detected in 25.9% (29/112) of patients with a vitamin D deficiency, and in 8.9% (12/135) of those with a serum 25(OH) D3 level &gt;20 ng/mL (P = 4.90 x 10(3)).
Conclusion: We showed that RAVs at the NS5A region are associated with vitamin D deficiency and elderly age, which may have a negative influence on innate/adaptive immune responses to hepatitis C virus infection.

DOI： 10.1111/hepr.12784

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記述言語：日本語   出版者・発行元：一般社団法人 日本肝臓学会  

<p>A 73-years-old woman with genotype 2a chronic hepatitis C (CHC) could achieve SVR with ombitasvir/paritaprevir/ritonavir/ribavirin (OBV/PTV/r+RBV) after virologic failure with sofosbuvir/ribavirin (SOF+RBV). Although resistance-associated substitutions (RASs) in the hepatitis C virus (HCV) NS5B regions was not detected before and after SOF+RBV, she could not achieve SVR. Therefore OBV/PTV/r+RBV was administered for the patient, because OBV/PTV/r+RBV regimen for genotype 2a CHC patients showed high SVR rate in Japanese phase 3 study. After the completion of OBV/PTV/r+RBV, the patient could achieve SVR12. SOF, OBV, and PTV have the different mechanisms for elimination of HCV and that might be the reasons for why the patient could achieve SVR with OBV/PTV/r+RBV after virologic failure with SOF+RBV.</p>

DOI： 10.2957/kanzo.58.455

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その他リンク： http://search.jamas.or.jp/link/ui/2017341746

記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：NATURE PUBLISHING GROUP  

Non-alcoholic fatty liver disease (NAFLD) is a common cause of chronic non-viral liver disease. YKL-40, chitinase-like protein expressed in multiple tissues including liver, is involved in cell proliferation, inflammation and remodeling of the extracellular matrix. The aim of this study was to assess whether serum YKL-40 levels are associated with liver fibrosis in NAFLD patients. Serum YKL-40 levels were quantified in 111 NAFLD patients and 23 HCC patients with NAFLD. To identify the source of YKL-40, immunofluorescence staining of liver specimens from NAFLD patients was performed. Serum YKL-40 levels in NAFLD patients increased in accordance with the progression of liver fibrosis. Multivariate analysis revealed that YKL-40 was one of the independent factors significantly associated with severe fibrosis (F3-4). We established a new predictive model for fibrosis of NAFLD, using logistic regression analysis: YKL-40 based fibrosis score = -0.0545 + type IV collagen 7s * 0.3456 + YKL-40 * 0.0024. Serum YKL-40 levels of HCC patients with non-cirrhotic NAFLD were significantly higher than those without HCC. Immunofluorescence staining showed that YKL-40 was expressed by macrophages in liver tissue of NAFLD patients. In conclusion, macrophage-derived YKL-40 is a feasible biomarker of liver fibrosis in NAFLD patients.

DOI： 10.1038/srep35282

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：SPRINGER JAPAN KK  

Sorafenib is a standard of care for advanced hepatocellular carcinoma (HCC). An in vitro study showed the synergistic effects of sorafenib and interferon for HCC. To clarify the efficacy, combination therapy with sorafenib and interferon was performed for patients with advanced HCC.
Pegylated interferon alpha-2a was administered every 2 weeks for the initial 4 weeks. Subsequently, it was combined with sorafenib. We evaluated the anti-tumor effect and biomarkers during treatment period.
The subjects were 13 patients with advanced HCC complicated by hepatitis C virus (HCV)-related liver cirrhosis. A partial response, stable disease and progressive disease were noted in 4, 6, and 3 patients, respectively. The response rate, the disease control rate, the mean time to progression and the median survival time (MST) were 30.8 % (4/13), 76.9 % (10/13), 12.2 months, and 17.5 months, respectively. In 8 Child-Pugh class A and 5 Child-Pugh class B patients, the MST was 22.0 and 11.0 months, respectively (p = 0.001). In plasma vascular endothelial growth factor (VEGF), serum alpha-fetoprotein (AFP), AFP-L3, a protein induced by vitamin K absence or antagonist-II (PIVKA II), and hepatocyte growth factor (HGF), there was no pretreatment factor and no biomarker during the combination therapy to predict therapeutic effect in the present study.
The results of this study suggest that combination therapy with sorafenib and interferon could be effective and safe in advanced HCC patients with HCV-related liver cirrhosis.

DOI： 10.1007/s10147-015-0942-0

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：NATURE PUBLISHING GROUP  

Non-alcoholic fatty liver disease (NAFLD) is a common cause of chronic non-viral liver disease. Activation of macrophages and hepatic stellate cells is a critical step that promotes liver fibrosis. We aimed to explore the feasibility of interleukin-34 (IL-34), a key regulator of macrophages, as a fibrosis marker in patients with NAFLD. We enrolled 197 liver biopsy-proven NAFLD patients. We evaluated the serum levels of IL-34, macrophage-colony stimulating factor (M-CSF), soluble CD163 (sCD163), 40 cytokines/chemokines, hyaluronic acid, type IV collagen 7s, and clinically-approved fibrosis scores. IL-34 increased with the progression of fibrosis and was an independent marker for liver fibrosis. Immunostaining experiments, using resected liver specimens from NAFLD patients, revealed that IL-34 was mainly expressed on liver fibroblasts. IL-34 based fibrosis score (0.0387* IL-34 (pg/ml) + 0.3623* type IV collagen 7s (ng/ml) + 0.0184* age (year)-1.1850) was a practical predictive model of liver fibrosis. Using receiver-operating characteristic analyses, the area under the curve, sensitivity, and specificity of IL-34 based fibrosis score were superior or comparable to the other fibrosis biomarkers and scores. In conclusion, the IL-34 based fibrosis score, including serum IL-34, type IV collagen 7s and age, is a feasible diagnostic marker of liver fibrosis in NAFLD patients.

DOI： 10.1038/srep28814

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：BAISHIDENG PUBLISHING GROUP INC  

AIM: To elucidate influencing factors of treatment response, then tolvaptan has been approved in Japan for liquid retention.
METHODS: We herein conducted this study to clarify the influencing factors in 40 patients with decompensated liver cirrhosis complicated by liquid retention. Tolvaptan was administered at a dosage of 7.5 mg once a day for patients with conventional diuretic-resistant hepatic edema for 7 d. At the initiation of tolvaptan, the estimated hepatic venous pressure gradient (HVPG) value which was estimated portal vein pressure was measured using hepatic venous catheterization. We analyzed the effects of tolvaptan and influencing factors associated with treatment response.
RESULTS: Subjects comprised patients with a median age of 65 (range, 40-82) years. According to the Child-Pugh classification, class A was 3 patients, class B was 19, and class C was 18. Changes from the baseline in body weight were -1.0 kg (P = 2.04 x 10(-6)) and -1.3 kg (P = 1.83 x 10(-5)), respectively. The median HVPG value was 240 (range, 105-580) mmH2O. HVPG was only significant influencing factor of the weight loss effect. When patients with body weight loss of 2 kg or greater from the baseline was defined as responders, receiver operating characteristic curve analysis showed that the optimal HVPG cutoff value was 190 mmH2O in predicting treatment response. The response rate was 87.5% (7/8) in patients with HVPG of 190 mmH2O or less, whereas it was only 12.5% (2/16) in those with HVPG of greater than 190 mmH2O (P = 7.46 x 10(-4)). We compared each characteristics factors between responders and non-responders. As a result, HVPG (P = 0.045) and serum hyaluronic acid (P = 0.017) were detected as useful factors.
CONCLUSION: The present study suggests that tolvaptan in the treatment of liquid retention could be more effective for patients with lower portal vein pressure.

DOI： 10.3748/wjg.v22.i21.5104

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：WILEY-BLACKWELL  

Although several vitamin D-related gene polymorphisms were reported to affect the outcome of pegylated interferon/ribavirin (PR) therapy in chronic hepatitis C patients, there are no reports on the impact of the vitamin D-related gene polymorphisms in PR therapy combined with protease inhibitor (PI). Vitamin D-related gene polymorphisms were determined in 177 genotype 1b-infected chronic hepatitis C patients who received 12 weeks of PR therapy with telaprevir, a first-generation PI, followed by 12 weeks of PR therapy. The sustained virologic response (SVR) rate was 83.1% (147 of 177 patients). The frequencies of vitamin D-related gene polymorphisms were: 83 non-TT and 94 TT genotypes for GC, 97 non-AA and 80 AA genotypes for DHCR7, 151 non-AA and 26 AA genotypes for CYP2R1, 162 non-GG and 15 GG genotypes for CYP27B1, and 105 non-GG and 72 GG genotypes for VDR gene. Multivariate analysis extracted IL28B TT genotype (P=2.05x10(-6)) and serum 25(OH) D-3 level (P=0.024) as independent factors contributing to the achieving of SVR. The SVR rate in IL28B TT genotype patients with serum 25(OH) D-3 level of &lt;25ng/ml was significantly low compared to other patients. None of the vitamin D-related gene polymorphisms affected the treatment outcome and serum 25(OH) D-3 level. In conclusions, the IL28B polymorphism and serum 25(OH) D-3 level contributed significantly and independently to SVR in PR combined with PI for genotype 1b-infected chronic hepatitis C patients. However, none of vitamin D-related gene polymorphisms had an impact on the treatment outcome and serum 25(OH) D-3 level. J. Med. Virol. 87:1904-1912, 2015. (c) 2015 Wiley Periodicals, Inc.

DOI： 10.1002/jmv.24244

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：BIOMED CENTRAL LTD  

Background: Serum 25-hydroxyvitamin D-3 levels are generally lower in chronic hepatitis C patients than in healthy individuals. The purpose of this study is to clarify the factors which affect serum 25-hydroxyvitamin D-3 levels using data obtained from Japanese chronic hepatitis C patients.
Methods: The subjects were 619 chronic hepatitis C patients. Serum 25-hydroxyvitamin D-3 levels were measured by using double-antibody radioimmunoassay between April 2009 and August 2014. Serum 25-hydroxyvitamin D-3 levels of 20 ng/mL or less were classified as vitamin D deficiency, and those with serum 25-hydroxyvitamin D-3 levels of 30 ng/mL or more as vitamin D sufficiency. The relationship between patient-related factors and serum 25-hydroxyvitamin D-3 levels was analyzed.
Results: The cohort consisted of 305 females and 314 males, aged between 18 and 89 years (median, 63 years). The median serum 25-hydroxyvitamin D-3 level was 21 ng/mL (range, 6-61 ng/mL). On the other hand, the median serum 25-hydroxyvitamin D-3 level in the healthy subjects was 25 ng/mL (range, 7-52), being significantly higher than that those in 80 chronic hepatitis C patients matched for age, gender, and season (p = 1.16 x 10(-8)). In multivariate analysis, independent contributors to serum 25-hydroxyvitamin D-3 deficiency were as follows: female gender (p = 2.03 x 10(-4), odds ratio = 2.290, 95 % confidence interval = 1.479-3.545), older age (p = 4.30 x 10(-4), odds ratio = 1.038, 95 % confidence interval = 1.017-1.060), cold season (p = 0.015, odds ratio = 1.586, 95 % confidence interval = 1.095-2.297), and low hemoglobin level (p = 0.037, odds ratio = 1.165, 95 % confidence interval = 1.009-1.345). By contrast, independent contributors to serum 25-hydroxyvitamin D-3 sufficiency were male gender (p = 0.001, odds ratio = 3.400, 95 % confidence interval = 1.635-7.069), warm season (p = 0.014, odds ratio = 1.765, 95 % confidence interval = 1.117-2.789) and serum albumin (p = 0.016, OR = 2.247, 95 % CI = 1.163-4.342).
Conclusions: Serum 25-hydroxyvitamin D3 levels in chronic hepatitis C Japanese patients were influenced by gender, age, hemoglobin level, albumin and the season of measurement.

DOI： 10.1186/s12879-015-1020-y

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記述言語：英語   掲載種別：研究論文（学術雑誌）   出版者・発行元：LIPPINCOTT WILLIAMS & WILKINS  

Objectives This study investigated the relationship between hepatitis C virus (HCV) dynamics and sustained virological response (SVR), as well as the efficacy of an extended treatment with telaprevir-based triple therapy among patients with chronic hepatitis C genotype 1b.
Methods Among 220 patients receiving triple therapy for 24 weeks, the SVR rate was analyzed at each time point at which HCV RNA became undetectable. The SVR rates in the patients who did not achieve a rapid virological response (RVR) were compared with those in 27 patients who received triple therapy for 48 weeks.
Results The SVR rates of interleukin 28B (IL28B) TT and non-TT patients were 100 versus 66.7% after 1 week, 97.6 versus 72.2% after 2 weeks, 95.2 versus 84.2% after 3 weeks, 93.1 versus 72.2% after 4 weeks, 76.9% versus 11.1% after 6 weeks, and 88.9 versus 14.3% after 8 weeks, respectively. All of the IL28B TT patients who showed undetectable HCV RNA levels until week 8 achieved an SVR. In contrast, the SVR rates in the IL28B non-TT patients who did not achieve RVR with 24 and 48 weeks of treatment were 11.8 and 62.5%, respectively (P=0.017).
Conclusion These results suggest that an SVR can frequently be achieved by IL28B TT patients, even with 24 weeks of treatment, when HCV RNA remains undetectable until week 8, and also that IL28B non-TT patients should have RVR values to achieve an SVR with 24 weeks of treatment. The SVR rate was low in IL28B non-TT patients treated for 24 weeks who did not achieve an RVR; however, it could increase when the treatment duration was extended to 48 weeks. (C) 2014 Wolters Kluwer Health vertical bar Lippincott Williams & Wilkins.

DOI： 10.1097/MEG.0000000000000228

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：日本消化器病学会-関東支部  

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記述言語：日本語   出版者・発行元：(株)日本メディカルセンター  

＜文献概要＞肝臓の線維化や機能の評価は,慢性肝疾患の重症度判定や適切な治療選択に必要であり,近年では簡便かつ非侵襲的に肝臓の線維化や機能を評価することを目的としたさまざまなスコアリングシステムやバイオマーカーが開発・提唱されている.また肝臓の線維化は従来肝生検による評価がgold standardであるが,近年ではMRIや超音波を用いたエラストグラフィーの有用性が報告されている.本稿では,これら肝臓の線維化および機能評価に関するバイオマーカー,スコアリングシステム,画像診断法について近年のトピックスをまとめた.

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(株)アークメディア  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一社)日本消化器内視鏡学会-関東支部  

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記述言語：日本語   出版者・発行元：(一社)日本消化器内視鏡学会-関東支部  

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記述言語：日本語   出版者・発行元：(一社)日本消化器内視鏡学会-関東支部  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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J-GLOBAL

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：日本消化器病学会-関東支部  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一社)日本消化管学会  

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記述言語：日本語   出版者・発行元：(一社)日本消化管学会  

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記述言語：日本語   出版者・発行元：日本消化器病学会-関東支部  

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J-GLOBAL

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

慢性腎臓病(CKD)合併C型慢性肝炎(CHC)Genotype 1型症例に対してエルバスビル・グラゾプレビル(E/G)療法を行い、有効性と安全性の中間解析を報告した。多施設共同研究によるデータを用い、45症例(女性22例、男性23例、非肝硬変36例、肝硬変9例)を対象とした。eGFRによる区分はG3群28例、G4群6例、G5群11例で、このうち血液透析症例は10例含まれており、eGFR別にend of treatment response、sustained virologic response(SVR) 4、SVR 12を比較した結果、CKDの有無にかかわらず高い治療反応性が認められ、CKD患者全体におけるSVR 12の割合は95.6%であった。また、G3群の2例に軽度のトランスアミナーゼの上昇がみられたが、腎機能低下による有害事象の増加は認めず、CKD合併CHC症例に対するE/G療法の高い有用性と安全性が示唆された。

DOI： 10.2957/kanzo.58.678

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その他リンク： https://search.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2017&ichushi_jid=J00263&link_issn=&doc_id=20180110160007&doc_link_id=10.2957%2Fkanzo.58.678&url=https%3A%2F%2Fdoi.org%2F10.2957%2Fkanzo.58.678&type=J-STAGE&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00007_3.gif

記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

症例は74歳男性で、過去に肝細胞癌に対し肝右葉切除術を施行されていた。肝性胸水による呼吸困難で前医入院し、利尿剤投与にもかかわらず胸水コントロールがつかず、呼吸苦軽減のため週1回の穿刺排液を必要とした。難治性肝性胸水に対する治療として経頸静脈的肝内門脈大循環短絡術(TIPS)を考慮され、その検討を目的として当科に紹介入院となった。特に除外基準に抵触しないためTIPSを行った。TIPS作成後の脾静脈造影では良好なシャント血流を認め、後胃静脈血流の減量を認めた。TIPS後には尿量が増加し、胸水は順調に減少した。術後11日目にtolvaptanを休薬とするも胸水の増悪は認めなかった。肝性脳症を認めず全身状態も良好であったが、アンモニア値が若干上昇したため予防的にkanamycin、lactuloseを追加した。Furosemide、spironolactone投与下にて術後14日目に退院となった。

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その他リンク： https://search.jamas.or.jp/index.php?module=Default&action=Link&pub_year=2017&ichushi_jid=J03767&link_issn=&doc_id=20170808340005&doc_link_id=10.11423%2Fjsph.23.167&url=https%3A%2F%2Fdoi.org%2F10.11423%2Fjsph.23.167&type=J-STAGE&icon=https%3A%2F%2Fjk04.jamas.or.jp%2Ficon%2F00007_3.gif

記述言語：日本語   出版者・発行元：(一社)日本膵臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本消化器内視鏡学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本消化器内視鏡学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(株)メディカルレビュー社  

【目的】非代償性肝硬変例における下腿浮腫や腹水貯留に対する利尿薬投与は、低Na血症をきたし治療に難渋することがある。バソプレシンV2受容体拮抗薬であるトルバプタンは、肝硬変例の低Na血症に有効と報告されているが、重度肝硬変例に対する治療効果についての検討はない。【方法】血清Na値が130mEq/L以下の低Na血症を合併した肝硬変患者13例を対象とした。既存の利尿薬は継続し、トルバプタンは7.5mgの隔日投与もしくは3.75mgの連日投与で開始し、血清Na値を観察し改善が認められなければ7.5mg連日投与とした。【結果】トルバプタン投与1日後から尿量は増加し、投与前と比較して投与1、4、7日後で有意に増加した。血清Na値は投与前123.2mEq/Lから投与1、4、7日後にはそれぞれ3.1mEq/L、4.8mEq/L、3.9mEq/Lと有意に上昇した。血清Na値が投与前と比較して5mEq/L以上増加することを低Na血症の改善と定めた場合、13例中7例が改善例であった。対象13例中で投与終了後も低Na血症の改善が続いた例は2例にすぎなかった。1例でトルバプタン投与3日後に高Na血症をきたしたが、その他の症例では副作用は認めなかった。【結語】低Na血症を伴う重度肝硬変例に対してトルバプタンは安全に投与でき、投与初期から低Na血症を改善させ有用と思われた。しかし、無効例や再燃例が相当数存在することから重度肝硬変における投与法の検討がさらに必要と思われた。(著者抄録)

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本肝臓学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一財)日本消化器病学会  

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記述言語：日本語   出版者・発行元：(一社)日本門脈圧亢進症学会  

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記述言語：日本語   出版者・発行元：(一社)日本消化器内視鏡学会  

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