نتایج جستجو برای: hbsag variants
تعداد نتایج: 113345 فیلتر نتایج به سال:
BACKGROUND In this study, we aimed to identify baseline predictors of response in chronic hepatitis B patients treated with a combination of pegylated interferon (PEG-IFN)-α2a and adefovir. METHODS We treated 92 chronic hepatitis B patients (44 hepatitis B e antigen [HBeAg]-positive and 48 HBeAg-negative) with HBV DNA > 100,000 copies/ml (> 17,182 IU/ml) with PEG-IFN and adefovir for 48 weeks...
BACKGROUND Viral load measurement is necessary to estimate mother-to-child transmission risk for women with chronic hepatitis B (CHB), however, it is expensive. The present study aimed to investigate the relationship between HBsAg and hepatitis B virus (HBV) DNA levels, and to determine potential applications of HBsAg level monitoring for estimating viral load. METHODS 85 patients with CHB (3...
BACKGROUND The elimination of hepatitis B virus surface antigen (HBsAg) is the final goal of hepatitis B treatment, but is rarely achieved. As quantitative assays for HBsAg recently became available, we have investigated whether quantitative HBsAg measurements can substitute for hepatitis B virus (HBV) DNA quantification in treatment monitoring. METHODS Within this study, 23 liver transplant ...
BACKGROUND The decline in hepatitis B virus surface antigen (HBsAg) may be an early predictor of the viral efficacy of Hepatitis B virus (HBV) therapy. The HBsAg levels obtained by different immunoassays now need comparing and the relationships between levels of HBsAg and HBV DNA alongside HBsAg and genotype must be evaluated. METHODOLOGY/PRINCIPAL FINDINGS HBsAg levels were compared among 80...
BACKGROUND With use of peginterferon alfa-2a and ribavirin combination therapy in patients with dual chronic hepatitis B virus (HBV) and hepatitis C virus (HCV) infection, 11.2% of patients achieved clearance of hepatitis B surface antigen (HBsAg) at 6 months after treatment; however, reactivation of HBV DNA was observed in 36.3%. We investigated the predictive potential of HBsAg quantification...
The efficiency of different vaccination techniques to prime in vivo major histocompatibility complex class I-restricted murine cytotoxic T-lymphocyte (CTL) precursors to hepatitis B virus small surface antigen (HBsAg) was investigated. Mice were immunized either by injection of a low dose of recombinant HBsAg protein preparations (native HBsAg particles or denatured HBsAg monomers) without adju...
Background: Hepatitis B surface antigen (HBsAg) and viral load are important clinical indicators for antiviral therapy. Few studies have evaluated sequence biomarkers predicting the risk of hepatocellular carcinoma (HCC) in stage, which show a low serological response (HBsAg < 100 IU/ml) high levels (HBV DNA > 2,000 IU/ml). This study aims to determine trend biological prevalence ...
Background and Aims: Hepatitis B surface antigen (HBsAg) loss is seldom achieved with nucleos(t)ide analog (NA) therapy in chronic hepatitis B patients but may be enhanced by switching to finite pegylated-interferon (Peg-IFN) alfa-2a. We assessed HBsAg loss with 48- and 96-week Peg-IFN alfa-2a in chronic hepatitis B patients with partial response to a previous NA. Methods: Hepatitis B e antigen...
Sir, I read with interest the paper by Mollica et al.1 and should like to add the results of our prospective study for comparison with other Mediterranean countries on 37 HBsAg mothers who were found among 1002 pregnant women attending a maternity hospital. Although 3.7% of the mothers were positive for HBsAg, only in 0. 1 % of cord blood specimens was HBsAg demonstrable by counter electrophore...
BACKGROUND Interferon-α/ribavirin combination therapy might promote hepatitis B surface antigen (HBsAg) seroclearance in patients dually infected with hepatitis B and C viruses (HBV/HCV), but the long-term effect remains unclear. We aimed to investigate the rate of and the factors associated with HBsAg seroclearance during long-term follow-up after interferon-α/ribavirin combination therapy in ...
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