4.5 Article

Treated chronic hepatitis B is a good prognostic factor of diffuse large B-cell lymphoma

Journal

CLINICAL AND MOLECULAR HEPATOLOGY
Volume 29, Issue 3, Pages 794-809

Publisher

KOREAN ASSOC STUDY LIVER
DOI: 10.3350/cmh.2023.0057

Keywords

Hepatitis B virus; Non-Hodgkin lymphoma; Rituximab; Chemotherapy; Antiviral agent

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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. The results showed that HBV-associated DLBCL patients receiving antiviral treatment had significantly longer time-to-progression and overall survival after R-CHOP treatment.
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. (Clin Mol Hepatol 2023;29:794-809)

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