Abstract
Purpose of Review
The purpose of this review is to summarize the prevalence and clinical implications of the isolated anti-HBc serologic profile in HIV-infected individuals. We highlight the rare but important issue of HBV reactivation in the setting of HCV therapy and describe an approach to management.
Recent Findings
The isolated anti-HBc pattern, a profile that most often indicates past exposure to HBV with waning anti-HBs immunity, is found commonly in HIV-infected individuals, particularly those with HCV. Some large cohort studies demonstrate an association with advanced liver disease, while others do not. Conversely, meta-analyses have found an association between occult HBV infection (a component of the isolated anti-HBc pattern) and advanced liver disease and hepatocellular carcinoma in HIV-uninfected individuals. In HIV-uninfected individuals with anti-HBc positivity, HBV reactivation has been reported in patients receiving HCV therapy. This phenomenon is likely the result of disinhibition of HBV with HCV eradication.
Summary
In HIV-infected patients, the long-term liver outcomes associated with the isolated anti-HBc pattern remain to be fully elucidated, supporting the need for large cohort studies with longitudinal follow-up. HBV reactivation during HCV DAA therapy has been well-described in HIV-uninfected cohorts and can inform algorithms for the screening and management of the isolated anti-HBc pattern in this population.
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Debika Bhattacharya collaborated on an NIH sponsored protocol involving Merck, BMS, Abbvie, and Sanofi.
Jennifer J. Chang and Neaka Mohtashemi declare that they have no competing interests.
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This article is part of the Topical Collection on Co-infections and Comorbidity
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Chang, J.J., Mohtashemi, N. & Bhattacharya, D. Significance and Management of Isolated Hepatitis B Core Antibody (Anti-HBc) in HIV and HCV: Strategies in the DAA Era. Curr HIV/AIDS Rep 15, 172–181 (2018). https://doi.org/10.1007/s11904-018-0379-y
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DOI: https://doi.org/10.1007/s11904-018-0379-y