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Correlation of hepatitis B virus load with loss of e antigen and emerging drug‐resistant variants during lamivudine therapy

Correlation of hepatitis B virus load with loss of e antigen and emerging drug‐resistant variants... It remains unclear whether sequential assessment of hepatitis B virus (HBV) load during lamivudine therapy can predict the loss of hepatitis B e antigen or emergence of drug‐resistant variants. Therefore, a longitudinal study was carried out in 28 consecutive patients with chronic hepatitis B who started lamivudine therapy for a median of 12 months (range, 6–31). HBV DNA copy numbers were determined at 3‐month intervals. From month 6 onward, HBV viral load below the detection limit of the PCR was predictive of the loss of envelope antigen (P = 0.043). Continuously detectable HBV DNA during the first 12 months of treatment indicated emergence of drug‐resistant variants (P = 0.034). These data suggest that the goal of lamivudine therapy should be complete suppression of serum HBV DNA. J. Med. Virol. 65:659–663, 2001. © 2001 Wiley‐Liss, Inc. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Journal of Medical Virology Wiley

Correlation of hepatitis B virus load with loss of e antigen and emerging drug‐resistant variants during lamivudine therapy

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References (23)

Publisher
Wiley
Copyright
Copyright © 2001 Wiley Subscription Services
ISSN
0146-6615
eISSN
1096-9071
DOI
10.1002/jmv.2087
Publisher site
See Article on Publisher Site

Abstract

It remains unclear whether sequential assessment of hepatitis B virus (HBV) load during lamivudine therapy can predict the loss of hepatitis B e antigen or emergence of drug‐resistant variants. Therefore, a longitudinal study was carried out in 28 consecutive patients with chronic hepatitis B who started lamivudine therapy for a median of 12 months (range, 6–31). HBV DNA copy numbers were determined at 3‐month intervals. From month 6 onward, HBV viral load below the detection limit of the PCR was predictive of the loss of envelope antigen (P = 0.043). Continuously detectable HBV DNA during the first 12 months of treatment indicated emergence of drug‐resistant variants (P = 0.034). These data suggest that the goal of lamivudine therapy should be complete suppression of serum HBV DNA. J. Med. Virol. 65:659–663, 2001. © 2001 Wiley‐Liss, Inc.

Journal

Journal of Medical VirologyWiley

Published: Jan 1, 2001

Keywords: ; ; ; ;

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