Publications by authors named "Nami Mori"

Background And Aims: The impact of hepatitis C virus (HCV) eradication via direct-acting antiviral (DAA) therapy on overall mortality, particularly non-liver-related mortality, is understudied.

Methods: We recruited 4180 patients with chronic HCV infection who achieved sustained virological response (SVR) (HCV eradication) through DAA therapy (n = 2501, SVR group) or who did not receive antiviral therapy (n = 1679, non-SVR group); 1236 from each group were chosen using propensity score matching. Causes of death and all-cause mortality, including non-liver-related diseases, were investigated.

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Article Synopsis
  • - This study explores the effectiveness of combining immune checkpoint inhibitors durvalumab and tremelimumab (DT) for patients with hepatocellular carcinoma (HCC) who previously received treatments like atezolizumab plus bevacizumab (AB).
  • - Results showed objective response rates (ORRs) were highest in first-line treatment (44%), followed by second-line without prior AB (54%), and significantly lower in patients who had prior AB (5%), indicating that prior treatment heavily affects success.
  • - The findings suggest that while DT may be less effective after AB treatment, it can still yield similar results to first-line therapy in patients without prior AB, highlighting the importance of treatment history when planning HCC therapy.
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Background/aim: Maintaining liver function throughout the treatment of hepatocellular carcinoma (HCC) is crucial, yet the impact of durvalumab plus tremelimumab (DT) treatment on liver function is not well understood. This multicenter study aimed to examine the changes in liver function during DT treatment.

Patients And Methods: This nationwide multicenter study included 80 patients who received DT treatment for unresectable HCC.

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  • A study investigated the effectiveness of 8-week vs. 12-week glecaprevir and pibrentasvir (GLE/PIB) treatment for chronic hepatitis C, focusing on both non-cirrhotic and cirrhotic patients in Japan.
  • The study enrolled 1,275 patients and primarily measured the sustained virological response (SVR) rates for different treatment durations and liver conditions.
  • Results showed high SVR rates (98.9% to 100%) across all groups, indicating that both 8-week and 12-week treatment regimens are effective regardless of liver fibrosis status.
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  • * Among 50 patients with progressive disease post-treatment, those who were later given lenvatinib had a median OS of 15.3 months and a PFS of 4.0 months, with response rates of 33.3% to 54.2% depending on evaluation criteria.
  • * Key factors associated with better OS included lower Child-Pugh class and minimal intrahepatic tumor occupancy, while
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Introduction: Systemic therapy is recommended for patients with Child-Pugh A in hepatocellular carcinoma (HCC). We analyzed the outcomes of a cohort of patients with HCC who received either sorafenib (Sor), lenvatinib (Len) or atezolizumab plus bevacizumab (Atezo + Bev) as first-line systemic therapy for HCC, with the aim of identifying prognostic factors for survival.

Methods: A total of 825 patients with advanced HCC and Child-Pugh A or B received either Sor, Len or Atezo + Bev as first-line systemic therapy.

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Background And Aim: Hepatocellular carcinoma (HCC) surveillance in low-risk patients (annual incidence <1.5%) is not recommended per the American Association for the Study of Liver Diseases guidelines. Because patients with chronic hepatitis C with non-advanced fibrosis who have achieved sustained virological response (SVR) have a low risk of HCC, HCC surveillance is not recommended for them.

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This study aimed to describe the real-world efficacy and safety of the combination therapy of atezolizumab and bevacizumab (Atezo/Bev) for unresectable hepatocellular carcinoma (HCC). This retrospective analysis of a multicenter registry cohort included 268 patients treated with Atezo/Bev. The incidence of adverse events (AE) and its impact on overall survival (OS) and progression-free survival (PFS) were analyzed.

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Article Synopsis
  • Transarterial chemoembolization (TACE) has traditionally been the go-to treatment for intermediate-stage, unresectable hepatocellular carcinoma (u-HCC), but new studies show systemic therapy can be effective for patients considered TACE-refractory or -unsuitable.
  • A study involving 140 patients evaluated the effectiveness of the drug lenvatinib, finding median overall survival of 24.4 months and progression-free survival of 9.0 months, suggesting a good response to treatment.
  • The research highlights the importance of using systemic therapy in TACE-refractory patients and indicates that combining TACE after initiating lenvatinib can enhance patient outcomes.
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Alpha-fetoprotein (AFP) response (relative decline in AFP) is associated with imaging response evaluated by response evaluation criteria in solid tumors ver1.1 (RECIST) and survival in treatment for hepatocellular carcinoma (HCC). However, the optimal threshold of AFP response is still unknown, especially in atezolizumab and bevacizumab (Atez/Bev) treatment.

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Aim: We investigated pretreatment neutrophil-to-lymphocyte ratio (NLR) for predicting survival outcomes of atezolizumab plus bevacizumab therapy for hepatocellular carcinoma (HCC) and determined the predictive ability of combined liver reserve-NLR.

Methods: This retrospective, multicenter study enrolled 242 patients receiving atezolizumab plus bevacizumab for unresectable HCC. Pretreatment NLR <2.

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Background And Aim: To validate a composite predictive model for hepatocellular carcinoma (HCC) development in patients with advanced liver fibrosis associated with chronic hepatitis C virus (HCV) who have received direct-acting antiviral (DAA) therapy and achieved sustained virologic response (SVR).

Methods: This study included 1258 patients with advanced liver fibrosis associated with HCV genotype 1, 2, or both. General evaluation score (GES), which is based on sex, age, fibrosis stage, albumin, and α-fetoprotein, was used as a composite predictive model.

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Background And Aim: The pathogenic process underlying the development of hepatocellular carcinoma (HCC) is not yet clear in patients with hepatitis C virus (HCV) who have received direct-acting antiviral (DAA) therapy and achieved sustained virological response (SVR). This study validated a composite predictive model for HCC in these patients.

Methods: This study included 3058 patients in whom HCV was eradicated with DAA therapy.

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Article Synopsis
  • - The study looked at how well radiological responses to lenvatinib treatment predicted overall survival (OS) in 182 patients with advanced liver cancer, using specific evaluation criteria.
  • - Results showed that a favorable initial radiological response was linked to longer OS and served as an important independent predictor of survival outcomes.
  • - In cases where patients had stable disease at first evaluation, assessments like macrovascular invasion and liver function scores could help decide whether to continue or change treatment strategies.
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The identification of patients with advanced fibrosis who do not need any further hepatocellular carcinoma (HCC) surveillance after the eradication of hepatitis C is pivotal. In this study, we developed a simple serum-based risk model that could identify patients with low-risk HCC. This was a nationwide multicenter study involving 16 Hospitals in Japan.

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The real-world virological efficacy and safety of interferon-free direct-acting antiviral (DAA) therapy with sofosbuvir (SOF) and velpatasvir (VEL) were assessed in hepatitis C virus (HCV) genotype 1- and 2-infected patients with decompensated cirrhosis. A total of 65 patients with HCV-related decompensated cirrhosis (Child-Pugh score of 7 points or more) who were treated with the SOF/VEL regimen were enrolled. The sustained virological response (SVR) rate and safety profile were analyzed.

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Introduction: This study compared clinical outcomes of 2nd- and 3rd-line regorafenib in patients with unresectable hepatocellular carcinoma.

Methods: In this retrospective cohort study, 48 patients were treated with regorafenib for unresectable hepatocellular carcinoma. Thirty-five and 13 patients were initiated on 2nd- and 3rd-line therapy, respectively.

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Introduction: We evaluated the efficacy and safety of lenvatinib-transcatheter arterial chemoembolization (LEN-TACE) sequential therapy for patients (n = 88) with intermediate-stage hepatocellular carcinoma (HCC).

Methods: Eighty-eight patients who obtained tumor control by LEN treatment were analyzed; 30 received LEN followed by TACE (LEN-TACE sequential therapy), and 58 received LEN monotherapy. Propensity score matching was performed, and the outcomes of 19 patients in the LEN-TACE group and 19 patients in the LEN-alone group were compared.

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Introduction: The clinical outcome of ramucirumab in multi-molecular targeted agent (MTA) sequential therapy for unresectable hepatocellular carcinoma (u-HCC) was assessed in comparison with that of prior tyrosine kinase inhibitor (TKI) therapy.

Methods: Sixteen patients who received ramucirumab as part of multi-MTA sequential therapy for u-HCC were enrolled in a retrospective, cohort study. Ramucirumab was started as 2nd line in 7 patients, 3rd line in 5 patients, and 4th line in 4 patients.

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Background: It is unclear whether the fibrosis 4 index (FIB-4), a marker of liver fibrosis, at baseline and change in FIB-4 after sustained virological response (SVR) is associated with incident hepatocellular carcinoma (HCC) risk. In this study, we examined the association of incident HCC risk with baseline FIB-4 and sustained high FIB-4 (>3.25) at any time point after SVR.

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Background: The study aimed to investigate the efficacy of vonoprazan 10 mg compared with 20 mg in patients with erosive esophagitis.

Method: Seventy-three patients with erosive esophagitis were randomly divided into two groups either vonoprazan 20 mg (n = 37) or 10 mg (n = 36). They were administered each dose for 4 weeks as the initial treatment followed by maintenance treatment with 10 mg for 8 weeks.

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Aim: Combination therapy with sofosbuvir (SOF) plus velpatasvir (VEL) is approved for patients with hepatitis C virus (HCV)-related decompensated cirrhosis. We analyzed the real-world efficacy of SOF/VEL therapy.

Methods: Thirty-three patients with HCV-related decompensated cirrhosis (25 and eight patients with Child B and C, respectively) were treated with SOF/VEL for 12 weeks.

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Background: Although a strong antitumor effect of lenvatinib (LEN) has been noted for patients with unresectable hepatocellular carcinoma (HCC), there are still no reports on the prognosis for patients with disease progression after first-line LEN therapy.

Methods: Patients (n = 141) with unresectable HCC, Child-Pugh class A liver function, and an Eastern Cooperative Oncology Group performance status (ECOG-PS) of 0 or 1 who were treated with LEN from March 2018 to December 2019 were enrolled.

Results: One hundred and five patients were treated with LEN as first-line therapy, 53 of whom had progressive disease (PD) at the radiological evaluation.

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Drug-induced liver injury (DILI) is a major adverse event caused by drug treatment, which can be categorized into three types: hepatocellular, mixed, and cholestatic. Although nearly every class of drugs can cause DILI, an overall understanding of lipid profiles in DILI patients is lacking. We used lipidomics to analyze the plasma lipid profiles of patients to understand their hepatic pathophysiology and identify DILI biomarkers.

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The hepatitis C virus (HCV) NS5A-P32 deletion (P32del) confers potent resistance to NS5A inhibitors. Chronic hepatitis C patients in whom NS5A-P32del variants had emerged during prior direct-acting antiviral (DAA) therapy with an NS5A inhibitor show poor response to DAA retreatment. Here, we report three patients with HCV NS5A-P32del infection who were treated with sofosbuvir, velpatasvir plus ribavirin (SOF/VEL + RBV) in a real-world setting.

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