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  • Title: [The relationship between HBV genotypes and the efficacy of antiviral therapies in hepatitis B e antigen- positive patients].
    Author: Zou HB, Zhu LM, Zhao GM, Liang SR, Li J, Lu CZ, Li H.
    Journal: Zhonghua Gan Zang Bing Za Zhi; 2007 Jun; 15(6):425-7. PubMed ID: 17594806.
    Abstract:
    OBJECTIVES: To study the relationship between HBV genotypes and the efficacy of antiviral therapies. METHODS: HBV genotypes of 90 hepatitis B e antigen positive patients with chronic hepatitis B (CHB) were determined by PCR sandwich hybridization-ELISA technique. Forty-one patients with CHB were treated with lamivudine (100 mg/day) for 48 weeks and 49 patients with CHB were given alpha-interferon (3 MU/QOD) therapy for 48 weeks. The serological, biochemical and virological symbols were measured before, during and after treatment for all the patients. RESULTS: Of the 90 patients, genotype B HBV was found in 16 and C in 74. There was no difference in the rate of response to lamivudine treatment between patients with genotype B or C HBV (33.3% vs. 20.0%) after 48 weeks treatment with lamivudine in the 41 patients. Of the 49 HBeAg positive CHB patients treated with alpha-interferon for 48 weeks, in HBV genotype B and C patients the rates of normalization of ALT were 60.0% and 20.5%; the rate of HBeAg turning to negativity was 50.0% and 17.9%; and the rate of HBV DNA undetectability was 50.0% and 17.9%. The rate of response to the interferon treatment was significantly higher in patients with HBV genotype B compared to those with genotype C. CONCLUSIONS: Our study shows that there is no influence on the lamivudine treatment effects for the HBV genotype B and C CHB patients, but the alpha-interferon treatment for HBV genotype B CHB patients is more effective than that for the genotype C ones.
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