OOIR: Observatory of International Research

Papers

(The H4-Index of Hepatology Research is 21. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
Reply to Letter to the Editor: Regarding the “Hepatitis B surface antigen glycan isomer is a predictor of the development of hepatocellular carcinoma during nucleoside/nucleotide analog therapy”	159
Role of PAR1 −506 deletion/insertion polymorphism in primary sclerosing cholangitis	105
Immune‐related adverse event detection in liver cancer patients treated with immune checkpoint inhibitors: Nationwide exploratory survey in Japan	81
Factors associated with low hepatitis B surface antigen levels in chronic hepatitis B patients treated with nucleot(s)ide analogs	62
Reversion of liver cirrhosis after endovascular treatment in Chinese patients with Budd–Chiari syndrome	57
Factors associated with portopulmonary hypertension	45
Sofosbuvir/velpatasvir and glecaprevir/pibrentasvir: how should we choose among these two latest and probably the last regimens?	44
Development and validation of a prognostic model for 90‐day survival in patients with alcohol‐associated cirrhosis and acute decompensation	39
Hyperprogressive disease in patients with unresectable hepatocellular carcinoma receiving atezolizumab plus bevacizumab therapy	37
Significance of changes in tumor markers in patients treated with durvalumab plus tremelimumab combination therapy as a surrogate marker for tumor response to unresectable hepatocellular carcinoma	37
Lenvatinib radiofrequency ablation sequential therapy offers survival benefits for patients with unresectable hepatocellular carcinoma at intermediate stage and the liver reserve of Child–Pugh A categ	36
Deceased Donation Disparities in East Asia—A Tale of Two Systems	35
Conditional recurrence analysis of intrahepatic cholangiocarcinoma: Changes in recurrence rate and survival after recurrence resection by disease‐free interval	35
Prediction of intrahepatic covalently closed circular DNA levels in patients with resolved hepatitis B virus infection: Impact of serum antibody to hepatitis B core antigen titers	35
A combination of hepatic encephalopathy and body mass index was associated with the point of no return for improving liver functional reserve after sofosbuvir/velpatasvir treatment in patients with he	29
Significance of portal venous blood flow as a factor to determine liver function in patients with decompensated cirrhosis due to hepatitis C virus infection following achievement of sustained viral re	27
Combined effect of histological findings and diabetes mellitus on liver‐related events in patients with metabolic dysfunction‐associated steatotic liver disease	26
The change from NAFLD to MAFLD expands fatty liver information flow	25
The metabolic evaluation of pemafibrate in nonalcoholic fatty liver disease‐related cardiovascular diseases	23
Prognostic value of virtual portal pressure gradient response in compensated cirrhotic patients treated with carvedilol	23
Transcriptomic and proteomic studies suggest the establishment of advanced zonation‐like profiles in human‐induced pluripotent stem cell‐derived liver sinusoidal endothelial cells and carboxypeptidase	22
Significance of the autoantibody assay in predicting the development of immune‐related adverse events in patients receiving atezolizumab plus bevacizumab combination therapy for unresectable hepatocel	21
Continuous Intravenous Infusion of Hepatocyte Growth Factor Promotes the Development of a Fibrolytic Phenotype in Hepatic Macrophages and Stellate Cells in a Rat Model of Bile Duct Ligation	21