Many therapeutic reagents for hepatitis B virus infection have established efficacy in goals such as alanine aminotransferase normalization, hepatitis B virus DNA suppression, HBeAg seroconversion, histological improvement, and reduce disease progression. However, it is not established that the efficacy of these reagents for the long-term survival and prevention of hepatocellular carcinoma although recent meta-analyses have also shown antiviral therapy to be efficacious. This article reviews the current status and innovative new options for antiviral therapy for hepatitis B and also discusses the various mechanisms of action for each drug, the results of clinical studies for each therapy, and the problems yet to be solved with respect to hepatitis B treatment.
Keywords: Hepatitis B virus, therapy, host cellular target, life cycle, interferon, nucleoside/nucleotide analog, adverse effects, drug resistance
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