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Παρασκευή 13 Απριλίου 2018

Patients with core antibody positive and surface antigen negative Hepatitis B (anti-HBc+, HBsAg−) on anti-TNF therapy have a low rate of reactivation

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Publication date: June 2018
Source:Clinical Immunology, Volume 191
Author(s): William T. Clarke, Shreya S. Amin, Konstantinos Papamichael, Joseph D. Feuerstein, Adam S. Cheifetz
Anti-TNF agents are widely used to treat immune-mediated disorders. Reactivation of Hepatitis B virus (HBV) is associated with immunosuppressive agents and biologics such as anti-TNF. There are limited data and differing guidelines for patients with negative hepatitis B surface antigen (HBsAg−) but positive antibody to hepatitis B core antigen (anti-HBc+) on anti-TNF with regards to outcomes and need for anti-viral prophylaxis. We examined the prevalence of HBV reactivation in a single-center retrospective cohort study of 120 HBsAg−, anti-HBc+ patients on anti-TNF, totaling 346.6 patient years. One patient (0.8%) who had a detectable VL (<20 IU) prior to starting anti-TNF had reactivation of HBV with sero-conversion to positive HBsAg. Three patients (2.5%) had undetectable HBV VL prior to anti-TNF and developed detectable VL while on anti-TNF. In conclusion, there was a low rate of HBV reactivation or development of detectable HBV DNA in HBsAg−, anti-HBc+ patients on anti-TNF.



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