PMID: 15381941Sep 24, 2004Paper

Treatment of chronic hepatitis B virus infection

Anales del sistema sanitario de Navarra
N CarreñoB Sangro

Abstract

The treatment of the patient with chronic hepatitis B virus infection (HBV) must be carried out with the knowledge that the percentage of patients infected with the B virus that develop chronic hepatitis remains between 5-10%. Of these, 10-30% will present chronic infection with active viral replication, necroinflammatory hepatic lesion, evolution to hepatic cirrhosis and the risk of developing hepatocarcinoma. For this reason, the aim of treatment is to achieve negativisation of the HBeAg, seroconversion to anti-HBe and a reduction of viral replication to undetectable values (estimated by level of DNA-HBV), for protracted periods of time. When a sustained loss of HBeAg and a reduction of viral replication are obtained, a biochemical, clinical and histological remission is achieved. Up until now the therapeutic alternatives in chronic infection by the B virus have been immunomodulation with Interferon alpha and the blocking of viral replication with lamivudine or adefovir dipivoxil. A difference must be drawn between the biochemical response, defined as a fall in the transaminases to normal values, and the virological response, which refers to a fall in the levels of DNA-HBV below 10(5) copies/ml. Finally, the complete response...Continue Reading

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