Tsuguru Hayashi

Tsuguru Hayashi


Research Focus & Metrics

Academic Career Length

7Years (2020-Present)

(Calculated once Scilit publication data is synced: current year − year of first publication + 1)

Representative Publications

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31 October 2020 in Cancers
Verified
Journal Article
Open access
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THTsuguru Hayashi
Tsuguru Hayashi
MSMichihiko Shibata
Michihiko Shibata
SOShinji Oe
Shinji Oe
KMKoichiro Miyagawa
Koichiro Miyagawa
YHYuichi Honma
Yuichi Honma
MHMasaru Harada
Masaru Harada
Aims: Antiplatelet therapy has been reported to reduce liver fibrosis and hepatocellular carcinoma (HCC), and has exhibited antitumor properties in other cancers. However, the effects of antiplatelet therapy after diagnosis of HCC are unknown. We investigated the effects of antiplatelet therapy on prognosis, tumor progression, liver function and safety in HCC patients. Methods: We retrospectively analyzed 772 HCC patients. Antiplatelet therapy was defined as the regular intake of aspirin or clopidogrel from HCC diagnosis through to an endpoint of either overall survival (OS) or liver-related death. Overall survival, liver-related death, tumor progression, Child–Pugh deterioration and hemorrhage were analyzed for patients who either had or had not undertaken antiplatelet therapy. Results: The numbers of patients who did and did not undertake antiplatelet therapy were 111 and 661, respectively. Patients who undertook antiplatelet therapy were older and had better liver function at diagnosis. Antiplatelet therapy resulted in significant improvements in OS (p < 0.01) and lower risk of liver-related death (p < 0.01). Multivariate Cox regression analysis revealed that antiplatelet therapy had a significant negative association with liver-related death (hazard ratio (HR): 0.64, 95% confidence interval (CI): 0.44–0.93, p = 0.02). In patients who underwent transcatheter arterial chemoembolization (TACE) as the first treatment, antiplatelet therapy prevented tumor progression (p < 0.01) and Child–Pugh deterioration (p < 0.01). Antiplatelet therapy did not increase the risk of hemorrhagic events. Conclusions: Antiplatelet therapy reduced liver-related death and improved OS safely in HCC patients.

22 December 2020 in PLOS ONE
Verified
Journal Article
Open access
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THTsuguru Hayashi
Tsuguru Hayashi
MSMichihiko Shibata
Michihiko Shibata
SOShinji Oe
Shinji Oe
KMKoichiro Miyagawa
Koichiro Miyagawa
YHYuichi Honma
Yuichi Honma
MHMasaru Harada
Masaru Harada
Background and aim: Lenvatinib has become a first line treatment for unresectable hepatocellular carcinoma (HCC). However, continued administration is impossible in many patients due to treatment resistance and severe adverse events. This study aimed to identify predicting factors to select patients likely to benefit from lenvatinib treatment. Methods: We retrospectively analyzed 53 patients who were treated with lenvatinib for unresectable HCC. They were divided to two groups; low C-reactive protein (CRP) group with pretreatment serum CRP level < 1.0 mg/dL and high CRP group with serum CRP level ≥ 1.0 mg/dl. Overall survival (OS), total amount administered, and period of treatment were compared between the two groups. Results: The high CRP group showed a significantly poorer OS than the low CRP group (0.0% vs 71.5%/ 1year, p < 0.01). Multivariate analyses revealed that high CRP was a significant negative factor for OS (HR: 7.69, 95% confidence interval: 2.43–24.3, p < 0.001), and this result was independent of Child-Pugh score and existing tumor factors. Relative dose intensity at 8 weeks was lower (p = 0.01) and time to treatment failure was shorter (P < 0.001) in the high CRP group. Conclusions: CRP level was associated with OS in HCC patients treated with lenvatinib. CRP could be a useful marker to identify patients most likely to benefit from lenvatinib treatment.

14 February 2024 in Scientific Reports
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Journal Article
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KYKengo Yoshitomi
Kengo Yoshitomi
THTsuguru Hayashi
Tsuguru Hayashi
SOShinji Oe
Shinji Oe
MSMichihiko Shibata
Michihiko Shibata
YHYuichi Honma
Yuichi Honma
YKYohei Kooka
Yohei Kooka
Transcatheter arterial chemoembolization (TACE) is a standard treatment for intermediate-stage hepatocellular carcinoma (HCC). However, TACE can cause deterioration of liver functions. We aimed to identify the factors that influence deterioration of liver function after TACE. We retrospectively analyzed 262 patients who underwent TACE as initial treatment for HCC with Child–Pugh grade A. We divided them into three groups stratified by the etiology of underlying liver disease. Patients were classified into hepatitis B virus (HBV) group, hepatitis C virus (HCV) group, and non-HBV / non-HCV (NBNC) group. Liver functions at one month after TACE and time to Child–Pugh grade B or C were compared between the three groups. The HBV, HCV and NBNC groups contained 23, 123 and 116 patients, respectively. The decline in albumin level after TACE was significantly higher in NBNC group than other groups (p = 0.02). NBNC group showed a shorter time to Child–Pugh grade deterioration compared with HBV group and HCV group (p < 0.001). Multivariate Cox regression analysis showed that NBNC group was a significant factor for Child–Pugh grade deterioration (Hazard ratio 3.74, 95% confidence interval 1.89–7.40, p < 0.001). These results revealed that liver functions worsened most remarkably in NBNC group after TACE.

14 October 2021 in Scientific Reports
Verified
Journal Article
Open access
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THTsuguru Hayashi
Tsuguru Hayashi
TWTatsuyuki Watanabe
Tatsuyuki Watanabe
MSMichihiko Shibata
Michihiko Shibata
SKShinsuke Kumei
Shinsuke Kumei
SOShinji Oe
Shinji Oe
MHMasaru Harada
Masaru Harada
Liver function is a most important prognostic factor in patients with liver cirrhosis. Also, portal hypertension is a fatal complication of liver cirrhosis and variceal treatment is indispensable. However, changes of liver functions after endoscopic variceal treatments are unknown. The aim of this study was to evaluate prognosis and liver functions after endoscopic injection sclerotherapy (EIS) and endoscopic variceal ligation (EVL). A total of liver cirrhotic 103 patients who underwent prophylactic EIS and EVL were enrolled. Overall survival rate was higher in EIS group than EVL group (p = 0.03). Multivariate analysis showed that EIS was a negative factor for death (HR: 0.46, 95% confidence interval: 0.24–0.88, p = 0.02). Liver functions were assessed by blood test taken at before and 3 months after treatment. In EIS group, albumin and prothrombin time improved (p < 0.01), leading to improvement of Child–Pugh score, ALBI score and MELD score (p < 0.05). However, these did not improve in EVL group. EIS was a significant factor related to the elevated value of albumin after treatment in linear regression analysis (estimated regression coefficient: 0.17, 95% confidence interval: 0.05–0.29, p = 0.005). These results revealed that EIS could improve liver functions and prognosis.

Verified
Journal Article
Open access
PDF file
THTsuguru Hayashi
Tsuguru Hayashi
YKYohei Kooka
Yohei Kooka
JKJo Kanazawa
Jo Kanazawa
TMTomoki Matsuda
Tomoki Matsuda
Assessment of liver fibrosis stage is important in the management of patients with metabolic dysfunction-associated steatotic liver disease (MASLD). However, non-invasive methods to determine the changes in liver fibrosis stage are unknown. We investigated whether Wisteria floribunda agglutinin-positive human Mac-2 binding protein (WFA+-M2BP), a serum fibrosis marker, can evaluate the changes in liver fibrosis stage. We observed the course of liver fibrosis stage and five serum fibrosis markers of 196 MASLD patients who had a paired biopsy performed. The changes in fibrosis markers, including WFA+-M2BP, were compared according to the changes in fibrosis stage. Factors associated with improvement of fibrosis stage were examined in a multivariate analysis. The changes in WFA+-M2BP (ΔWFA+-M2BP) were significantly correlated with changes in fibrosis stage (p < 0.01). The median of ΔWFA+-M2BP was −0.21, −0.08, −0.04, and 0.19 in 2 fibrosis stage regression group, 1 fibrosis stage regression group, fibrosis stage unchanged group, and fibrosis stage progression group, respectively (p < 0.01). However, other non-invasive markers did not reflect changes in fibrosis. ΔWFA+-M2BP was a significant factor for the regression of liver fibrosis stage in multivariate analysis (odds ratio: 3.54, 95% confidence interval: 1.55–8.12, p < 0.01). Time-course changes in WFA+-M2BP levels indicate the changes in liver fibrosis.

11 March 2021 in Research Square
Verified
Preprint
Open access
PDF file
THTsuguru Hayashi
Tsuguru Hayashi
TWTatsuyuki Watanabe
Tatsuyuki Watanabe
MSMichihiko Shibata
Michihiko Shibata
SKShinsuke Kumei
Shinsuke Kumei
SOShinji Oe
Shinji Oe
MHMasaru Harada
Masaru Harada
Liver function is a most important prognostic factor in patients with liver cirrhosis. Also, portal hypertension is a fatal complication of liver cirrhosis and variceal treatment is indispensable. However, changes of liver functions after endoscopic variceal treatments are still unknown. The aim of this study was to evaluate liver functions after endoscopic injection sclerotherapy (EIS) and endoscopic variceal ligation (EVL). A total of liver cirrhotic 103 patients who underwent prophylactic EIS and EVL were enrolled. Liver functions were assessed by blood test taken at before and 3 months after EIS and EVL. In EIS group, albumin and prothrombin time improved significantly (p < 0.01), which led to improvement of Child-Pugh score, ALBI score and MELD score (p < 0.05). However, these factors did not improve in EVL group. Overall survival (OS) rate was significantly higher in EIS group than EVL group. Subsequently, in EIS group patients who improved albumin showed significantly better OS than those who did not improved. In multivariate analysis, improvement of albumin at 3 months after EIS was associated with better prognosis (HR: 0.38, 95% confidence interval: 0.19- 0.77, p = 0.007). These results revealed that EIS could improve liver functions and prognosis.