Publications by authors named "Issei Saeki"

Summary: Carboxyl ester lipase (CEL) is a major component of pancreatic juice and is responsible for the duodenal hydrolysis of cholesteryl esters. Maturity-onset diabetes of the young (MODY) is a form of diabetes mellitus characterized by early onset and dominant inheritance of beta-cell dysfunction. CEL gene mutations cause the type of MODY denoted as MODY8.

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Aim: This study aimed to evaluate the association between the efficacy of durvalumab plus tremelimumab (Dur/Tre) and metabolic dysfunction-associated steatotic liver disease (MASLD) in patients with hepatocellular carcinoma (HCC).

Methods: A total of 239 patients with HCC who received Dur/Tre between March 2023 and October 2024 at multiple institutions in Japan were retrospectively analyzed. Patients were categorized into three groups based on underlying liver disease: viral-related HCC (n = 126), MASLD-related HCC (n = 30), and nonviral, non-MASLD HCC (n = 83).

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Aim: This study aimed to evaluate the efficacy of durvalumab + tremelimumab (Dur + Tre) in real-world clinical practice, characterize "stable disease (SD)," and identify SD responders (SD-R) who benefit from Dur + Tre treatment.

Methods: This multicenter observational study included 212 patients with unresectable hepatocellular carcinoma (u-HCC) treated with Dur + Tre between March 2023 and November 2024. The patients were categorized into 95 first-line and 117 later-line cases, respectively.

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Background: The prognosis of hepatocellular carcinoma with portal vein tumor thrombosis is very poor, and the optimal treatment remains controversial. The aim of this study is to examine the safety and feasibility of our multimodal treatment.

Methods: This was a single-institution, retrospective case series.

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Aim: Durvalumab plus tremelimumab (Dur/Tre) is a first-line systemic treatment option for unresectable hepatocellular carcinoma (uHCC). However, the management of severe immune-mediated adverse events (imAEs) is challenging. Therefore, we investigated the relationship between severe imAEs and antitumor responses in patients with uHCC treated with Dur/Tre.

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Background/aim: Surgical resection remains the only curative treatment for combined hepatocellular-cholangiocarcinoma; however, systemic therapy is the primary treatment option for unresectable cases. This multicenter retrospective study aimed to assess the efficacy of systemic therapy for unresectable combined hepatocellular-cholangiocarcinoma.

Patients And Methods: Twenty-one patients with histologically confirmed or clinically diagnosed combined hepatocellular-cholangiocarcinoma who received systemic therapy were included.

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Background: This study aimed to investigate the changes in oncological resection status in patients with unresectable hepatocellular carcinoma (u-HCC) receiving atezolizumab plus bevacizumab (Atez/Bev) and the impact of conversion therapy following Atez/Bev treatment.

Methods: This cohort included 631 patients with u-HCC treated with Atez/Bev. Tumors were assessed using oncological resectability criteria and categorized as borderline resectable 1 (BR1, n=166) or borderline resectable 2 (BR2, n=465).

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Introduction: Patients with hepatitis virus-related hepatocellular carcinoma (viral HCC) are decreasing as hepatitis control improves, but those with non-viral-related HCC (non-viral HCC) are increasing in Japan. No established surveillance system exists for patients with non-viral HCC, so they are often diagnosed at an advanced stage. To address this, we performed this study.

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Article Synopsis
  • Durvalumab plus tremelimumab (Durva/Treme) is the first-line immunotherapy option for patients with unresectable hepatocellular carcinoma (HCC), with a reported objective response (OR) rate of 15.5%.
  • The study involved 110 patients and aimed to identify whether changes in tumor markers, specifically alpha-fetoprotein (AFP) and des-gamma-carboxy prothrombin (DCP), could serve as predictive biomarkers for treatment response, using data collected both before and four weeks after treatment.
  • It was found that higher baseline AFP levels (≥ 400 ng/mL) significantly correlated with better OR rates, and a ≥10% reduction in AFP or DCP
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Article Synopsis
  • Durvalumab plus tremelimumab (Dur/Tre) is approved for first-line treatment of unresectable hepatocellular carcinoma (u-HCC), but its real-world effectiveness is not well understood.
  • A study involving 120 patients found an objective response rate (ORR) of 15.8%, a disease control rate (DCR) of 53.3%, and a median progression-free survival (PFS) of 3.9 months, alongside a high rate of adverse events (AEs).
  • Although there was no significant difference in response and survival rates between those treated as first-line versus later-line, first-line therapy showed better disease control; careful management is needed for older patients or those with
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Article Synopsis
  • The TACTICS-L trial studied the combination of transarterial chemoembolization (TACE) and lenvatinib (LEN) for treating unresectable intermediate-stage hepatocellular carcinoma (HCC), aiming to improve outcomes since recurrence is common after TACE alone.
  • Patients with specific criteria were given LEN before and after TACE, with primary results showing a median progression-free survival of 28.0 months and high overall response rates (79% with 53% complete response 4 weeks post-TACE).
  • The trial included 62 participants, mostly men aged around 72, and results indicated that combining LEN with TACE could be beneficial across different patient subgroups.
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Introduction: Lenvatinib and sorafenib are key therapeutic agents for hepatocellular carcinoma (HCC). However, there are no useful biomarkers for selecting molecular-targeted agents (MTAs). Skeletal muscle volume is associated with the clinical outcomes in these patients.

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Article Synopsis
  • A retrospective study analyzed 154 patients with unresectable hepatocellular carcinoma (HCC) to identify factors that predict the effectiveness of the treatment combination of atezolizumab and bevacizumab (atezo/bev).
  • In patients with high levels of alpha-fetoprotein (AFP), a notable decrease in AFP levels was linked to a better treatment response. Conversely, in patients with low AFP levels, a baseline des-gamma-carboxy prothrombin (DCP) level below a certain threshold was a positive indicator.
  • Additionally, an increase in AFP levels after three weeks and the presence of extrahepatic spread were linked to worse outcomes in the high-AFP group, while certain criteria known as
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Background: The development of molecular targeted agents (MTAs) has changed the treatment strategy for hepatocellular carcinoma (HCC). However, currently, there are no established predictive biomarkers for the treatment efficacy of MTAs. Previously, we developed a novel liquid biopsy test for HCC screening using sensitive methylated DNA testing of septin 9 gene (SEPT9).

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Aim: Skeletal muscle volume has been reported to be an important factor that determines overall survival (OS) and post-progression survival (PPS) in patients with hepatocellular carcinoma (HCC). However, the impact of skeletal muscle volume on HCC with Barcelona Clinic Liver Cancer (BCLC) stage B (BCLC-B) remains unclear. We conducted sub-analyses of a previous study on BCLC-B and compared our findings with data on HCC with BCLC stage C (BCLC-C).

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Aim: Primary hepatic angiosarcoma (PHA) is extremely rare, and its imaging findings are similar to those of other liver tumors including hepatocellular carcinoma (HCC). Here, we report a case of hepatitis C virus (HCV)-related HCC followed by PHA that showed remarkable clinical response to atezolizumab plus bevacizumab (Atezo/Bev) therapy.

Case Presentation: A 78-year-old man with recurrent HCC had a liver tumor with lymphadenopathy.

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Background: We previously reported liver stiffness (LS) as a prognostic predictor of portosystemic shunt (PSS) occlusion. This study aims to reinvestigate the predictive factors of the model for end-stage liver disease-sodium (MELD-Na) score amelioration following balloon-occluded retrograde transvenous obliteration (BRTO) and to evaluate the postoperative prognoses of patients with portal hypertension by using newly identified factors.

Methods: Seventy-five patients who underwent BRTO between 2008 and 2021 were retrospectively enrolled.

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Background: Sarcopenia, defined as the loss of skeletal muscle mass (MM), physical performance, and strength, has been associated with poor clinical outcomes in hepatocellular carcinoma (HCC) patients treated with several therapies. As systemic therapies, including molecular targeted agents, have a strong impact on sarcopenia, we aimed to review the impact of sarcopenia in patients receiving systemic therapies, especially sorafenib and hepatic arterial infusion chemotherapy (HAIC).

Summary: Several studies have demonstrated that sarcopenia is associated with poor clinical outcomes in patients receiving sorafenib or lenvatinib, while HAIC has no association with overall survival (OS) and sarcopenia.

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Aim: This study aimed to demonstrate the feasibility of identifying candidates of portopulmonary hypertension (PoPH) from general portal hypertension patients based on chest computed tomography (CT) results.

Methods: One hundred and thirty patients with portal hypertension who had undergone interventional radiology therapies at our hospital between August 2011 and July 2021 were included, and preoperative clinical data were collected. Suspicious PoPH was defined as main pulmonary artery diameter (mPA-D) ≥ 29 mm or the ratio of mPA-D to ascending aorta diameter (mPA-D/aAo-D) ≥ 1.

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Few studies exist on the relationship between post-progression survival (PPS) and skeletal muscle volume in hepatocellular carcinoma (HCC) patients receiving sorafenib. This study aimed to analyze the effects of muscle volume on clinical outcomes. We retrospectively enrolled 356 HCC patients.

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Background: This study aimed to investigate changes in the hepatic venous pressure gradient (HVPG) by partial splenic embolization (PSE) and to identify the determinants of a clinically meaningful postoperative HVPG reduction.

Methods: Sixty-eight patients with cirrhosis and hypersplenism who underwent PSE at our department between September 2007 and June 2020 were included. The HVPG was evaluated pre- and immediately post-PSE.

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Background & Aims: Chronic liver diseases, including hepatocellular carcinoma (HCC), lead to an imbalance in energy metabolism. The non-protein respiratory quotient (npRQ), which estimates energy malnutrition, can be evaluated using an indirect calorimeter; however, npRQ measurement is limited in routine work. This study aimed to investigate the relationship between the albumin-bilirubin (ALBI) score and npRQ in patients with HCC.

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Objective This study primarily aimed to investigate the short-term effects of partial splenic embolization (PSE) on the Child-Pugh score and identify predictive factors for changes in the score caused by PSE. The secondary aim was to analyze changes in various parameters at one month postoperatively using these identified factors. Methods Between September 2007 and December 2019, 118 patients with cirrhosis and hypersplenism underwent PSE at our hospital.

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