Won-Mook Choi, Ji Won Han, Tae Hyung Kim, Miyoung Choi, Moon Haeng Hur, Hyo Young Lee, Han Ah Lee, Byeong Geun Song, Heechul Nam, Jeong-Ju Yoo, Chang Hun Lee, Gi-Ae Kim, Hye Won Lee, Gwang Hyeon Choi, Young Eun Chon, Yun Bin Lee, Dong Hyun Sinn, Bo Hyun Kim, In Hee Kim, on behalf of the Korean Association for the Study of the Liver (KASL)
Clin Mol Hepatol 2026;32(3):1029-1116. Published online June 12, 2026
Do Seon Song, Jeong-Ju Yoo, Jeong Eun Song, Seong Hee Kang, Seung Kak Shin, Seul Ki Han, Sung Won Chung, Gi-Ae Kim, Moon Haeng Hur, Han Ah Lee, Yeonjung Ha, Young Chang, Jae Hyun Yoon, Jae Seung Lee, Sang Gyune Kim, Young Kul Jung, Moon Young Kim
Clin Mol Hepatol 2026;32(3):961-1028. Published online April 28, 2026
Juhee Ahn, Moon Haeng Hur, Hyunjae Shin, Min Kyung Park, Sungho Won, Jeayeon Park, Yunmi Ko, Youngsu Park, Yun Bin Lee, Eun Ju Cho, Jeong-Hoon Lee, Su Jong Yu, Jung-Hwan Yoon, Yoon Jun Kim
Clin Mol Hepatol 2026;32(1):339-352. Published online November 25, 2025
Background/Aims The association between aspirin use and hepatocellular carcinoma (HCC) risk in patients with metabolic dysfunction-associated steatotic liver disease (MASLD) remains unclear. This study evaluated the effect of aspirin on HCC development in MASLD patients using Korean National Health Insurance Service (NHIS) and UK Biobank (UKB) databases.
Methods A retrospective cohort analysis was conducted using the NHIS database with a 3-year landmark design. Baseline characteristics were balanced using inverse probability of treatment weighting (IPTW) and 1:3 propensity score matching (PSM). Additionally, Mendelian randomization analysis was performed in the UKB cohort using a genomic risk score (GRS) for salicylic acid, based on genetic variants related to aspirin metabolism, as a proxy for aspirin use.
Results In the NHIS cohort, 6,584,155 eligible patients were included, of whom 1,723,435 had MASLD. After PSM, aspirin use was associated with a significantly lower risk of HCC compared to no aspirin use, in both the overall population (adjusted subdistribution hazard ratio [ASHR]=0.86; 95% confidence interval [CI] 0.78–0.95; P=0.002) and MASLD group (ASHR=0.86; 95% CI 0.75–0.99; P=0.036). Similar results were reproduced in the IPTW population and several sensitivity and subgroup analyses. In the UKB cohort, individuals in the top 95% of GRS had a significantly lower risk of HCC compared to those in the bottom 5%, in both the overall population (ASHR=0.61; 95% CI 0.39–0.95; P=0.028) and MASLD group (ASHR=0.47; 95% CI 0.29–0.76; P=0.002).
Conclusions Findings from both population-based and genetic analyses suggest a possible protective association between aspirin use and HCC in patients with MASLD, which warrants further validation.
Moon Haeng Hur, Dong Hyeon Lee, Jeong-Hoon Lee, Mi-Sook Kim, Jeayeon Park, Hyunjae Shin, Sung Won Chung, Hee Jin Cho, Min Kyung Park, Heejoon Jang, Yun Bin Lee, Su Jong Yu, Sang Hyub Lee, Yong Jin Jung, Yoon Jun Kim, Jung-Hwan Yoon
Clin Mol Hepatol 2024;30(3):500-514. Published online May 10, 2024
Background/Aims Chronic hepatitis B (CHB) is related to an increased risk of extrahepatic malignancy (EHM), and antiviral treatment is associated with an incidence of EHM comparable to controls. We compared the risks of EHM and intrahepatic malignancy (IHM) between entecavir (ETV) and tenofovir disoproxil fumarate (TDF) treatment.
Methods Using data from the National Health Insurance Service of Korea, this nationwide cohort study included treatment-naïve CHB patients who initiated ETV (n=24,287) or TDF (n=29,199) therapy between 2012 and 2014. The primary outcome was the development of any primary EHM. Secondary outcomes included overall IHM development. E-value was calculated to assess the robustness of results to unmeasured confounders.
Results The median follow-up duration was 5.9 years, and all baseline characteristics were well balanced after propensity score matching. EHM incidence rate differed significantly between within versus beyond 3 years in both groups (P<0.01, Davies test). During the first 3 years, EHM risk was comparable in the propensity score-matched cohort (5.88 versus 5.84/1,000 person-years; subdistribution hazard ratio [SHR]=1.01, 95% confidence interval [CI]=0.88–1.17, P=0.84). After year 3, however, TDF was associated with a significantly lower EHM incidence compared to ETV (4.92 versus 6.91/1,000 person-years; SHR=0.70, 95% CI=0.60–0.81, P<0.01; E-value for SHR=2.21). Regarding IHM, the superiority of TDF over ETV was maintained both within (17.58 versus 20.19/1,000 person-years; SHR=0.88, 95% CI=0.81–0.95, P<0.01) and after year 3 (11.45 versus 16.20/1,000 person-years; SHR=0.68, 95% CI=0.62–0.75, P<0.01; E-value for SHR=2.30).
Conclusions TDF was associated with approximately 30% lower risks of both EHM and IHM than ETV in CHB patients after 3 years of antiviral therapy.
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Background/Aims Transarterial radioembolization (TARE) has shown promising results in treating advanced hepatocellular carcinoma (HCC) with portal vein tumor thrombosis (PVTT). However, whether TARE can provide superior or comparable outcomes to tyrosine kinase inhibitor (TKI) in patients with HCC and PVTT remains unclear. We compared the outcomes of TARE and TKI therapy in treatment-naïve patients with locally advanced HCC and segmental or lobar PVTT.
Methods This multicenter study included 216 patients initially treated with TARE (n=124) or TKI (sorafenib or lenvatinib; n=92) between 2011 and 2021. Baseline characteristics were balanced using propensity score matching (PSM) or inverse probability of treatment weighting (IPTW). The primary outcome was overall survival (OS). The secondary outcomes included progression-free survival (PFS) and objective response rate (ORR).
Results In the unmatched cohort, the median OS of the TARE and TKI groups were 28.2 and 7.2 months, respectively (p<0.001), and the TARE group experienced significantly and independently longer OS compared to the TKI group (adjusted hazard ratio=0.41, 95% confidence interval=0.28–0.60, p<0.001). Similar results were observed in the study cohorts balanced with IPTW (p=0.003) or PSM (p=0.004). Although PFS was comparable between the two groups, the TARE group showed a trend of prolonged PFS in a subpopulation of patients with Vp1 or Vp2 PVTT (p=0.052). In the matched cohorts, the ORR of the TARE group was 53.0–56.7%, whereas that of the TKI group was 12.3–15.0%.
Conclusions For patients with advanced HCC with segmental or lobar PVTT and well-preserved liver function, TARE may provide superior OS compared to sorafenib or lenvatinib.
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Background/Aims Chronic hepatitis B (CHB) is a risk factor for non-Hodgkin lymphoma (NHL). Our recent study suggested that antiviral treatment may reduce the incidence of NHL in CHB patients. This study compared the prognoses of hepatitis B virus (HBV)-associated diffuse large B-cell lymphoma (DLBCL) patients receiving antiviral treatment and HBV-unassociated DLBCL patients.
Methods This study comprised 928 DLBCL patients who were treated with rituximab, cyclophosphamide, doxorubicin, vincristine, and prednisone (R-CHOP) at two referral centers in Korea. All patients with CHB received antiviral treatment. Time-to-progression (TTP) and overall survival (OS) were the primary and secondary endpoints, respectively.
Results Among the 928 patients in this study, 82 were hepatitis B surface antigen (HBsAg)-positive (the CHB group) and 846 were HBsAg-negative (the non-CHB group). The median follow-up time was 50.5 months (interquartile range [IQR]=25.6–69.7 months). Multivariable analyses showed longer TTP in the CHB group than the non-CHB group both before inverse probability of treatment weighting (IPTW; adjusted hazard ratio [aHR]=0.49, 95% confidence interval [CI]=0.29–0.82, p=0.007) and after IPTW (aHR=0.42, 95% CI=0.26–0.70, p<0.001). The CHB group also had a longer OS than the non-CHB group both before IPTW (HR=0.55, 95% CI=0.33–0.92, log-rank p=0.02) and after IPTW (HR=0.53, 95% CI=0.32–0.99, log-rank p=0.02). Although liver-related deaths did not occur in the non-CHB group, two deaths occurred in the CHB group due to hepatocellular carcinoma and acute liver failure, respectively.
Conclusions Our findings indicate that HBV-associated DLBCL patients receiving antiviral treatment have significantly longer TTP and OS after R-CHOP treatment than HBV-unassociated DLBCL patients.
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