Abstract:
:Chemotherapy for chronic hepatitis B virus (HBV) infection is inherently difficult for a variety of reasons that are related to unusual features of both HBV replication strategy and host cell metabolism. Previous attempts to treat chronic HBV infection using nucleoside analogues have been almost universally disappointing, but several recently developed nucleoside analogues have been identified as potent, non-toxic inhibitors of HBV replication. These fall into two broad categories: nucleosides having the 'unnatural' L-configuration, and deoxyguanosine analogues with modified-sugar configurations, represented by lamivudine and penciclovir respectively. Both lamivudine and penciclovir (in its orally available form, famciclovir) have progressed to phase III clinical trials against chronic HBV infection, with promising preliminary results. However, chemotherapy for chronic HBV is necessarily long term, which increases the risks for development of viral resistance and cumulative toxicity. Such risks might be minimized by the use of appropriate drug combinations, rational selection of which requires knowledge of the pharmacokinetics and mechanisms of action of the individual agents. An appreciation of cellular deoxynucleoside metabolism and its regulation, the complexities of which are still emerging, is an indispensable aid to understanding the biological activities of deoxynucleoside analogues. The modes of action of lamividine and penciclovir, and how these two deoxynucleoside analogues may interact in vitro and in vivo as inhibitors of HBV replication, are examined here in the context of cellular deoxynucleoside metabolism.
journal_name
J Viral Hepatjournal_title
Journal of viral hepatitisauthors
Shaw T,Locarnini SAdoi
10.1046/j.1365-2893.1999.00151.xsubject
Has Abstractpub_date
1999-03-01 00:00:00pages
89-106issue
2eissn
1352-0504issn
1365-2893pii
jvh151journal_volume
6pub_type
杂志文章,评审abstract::Portal hypertension and splenomegaly are common in patients with cirrhosis. However, there is limited previous in vivo research on the correlation between spleen stiffness and stages of liver fibrosis. This study aimed to evaluate the diagnostic value of spleen stiffness measurement (SSM), using acoustic radiation for...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
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abstract::The role of ribavirin (RBV) in the era of direct-acting antivirals (DAA) is not clear, and DAA studies have been largely genotype- and regimen-specific. Using data from the Chronic Hepatitis Cohort Study, we evaluated the role of RBV and increased DAA treatment duration among patients with chronic hepatitis C (HCV) in...
journal_title:Journal of viral hepatitis
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更新日期:2019-10-01 00:00:00
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journal_title:Journal of viral hepatitis
pub_type: 杂志文章,评审
doi:10.1046/j.1365-2893.2000.00022.x
更新日期:2000-05-01 00:00:00
abstract::Haemophilic patients have a high prevalence of hepatitis C virus (HCV) infection because of the use of unsterilized clotting factor concentrates. Six major genotypes of HCV have been distinguished so far, with epidemiological evidence suggesting that genotypes 1-3 are common in the indigenous UK and US populations. Th...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
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更新日期:1996-01-01 00:00:00
abstract::Women with chronic hepatitis B should maintain nucleotide analogue treatment to prevent disease progression during pregnancy. The aim of this study was to prospectively evaluate the efficacy and safety of telbivudine used throughout pregnancy for preventing hepatitis B virus (HBV) mother-to-child transmission (MTCT). ...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/jvh.12788
更新日期:2017-11-01 00:00:00
abstract::Treating chronic hepatitis C with pegylated interferon alpha may induce or exacerbate psychiatric illness including depression, mania and aggressive behaviour. There is limited data regarding treatment in the context of chronic schizophrenia. We sought to establish the safety and efficacy of treating patients with sch...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/jvh.12234
更新日期:2014-07-01 00:00:00
abstract::Among individuals with chronic hepatitis C virus (HCV) infection, approximately 30% of patients show persistently normal alanine aminotransferase (PNALT). Individuals with PNALT have been historically excluded from antiviral treatment. However, some studies have reported sudden worsening of disease in patients with PN...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/j.1365-2893.2010.01403.x
更新日期:2011-07-01 00:00:00
abstract::Interferon-alpha 2b (IFN-alpha 2b) can exert antiproliferative activity in both normal and malignant liver tissue. To study mechanisms of its antiproliferative action, the activity of the enzymes of adenosine metabolism were investigated. We studied 5'-nucleotidase (an adenosine-producing enzyme) and adenosine deamina...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1046/j.1365-2893.1998.00117.x
更新日期:1998-09-01 00:00:00
abstract::Although hepatitis C (HCV) is associated with diabetes, few studies have examined pre-diabetes in this population. We aimed to evaluate factors associated with pre-diabetes in HCV-infected patients, including direct measurement of insulin action. Ninety-seven non-cirrhotic, non-diabetic and HCV-infected patients under...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
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更新日期:2012-07-01 00:00:00
abstract::Viral load reduction facilitates recovery of antiviral T-cell responses. Dynamic alterations in intrahepatic viraemia clearance and immune cell reactivity during the early phase of nucleoside analogue (NA) therapy and the impact of these changes on HBeAg seroconversion are unknown. Fifteen HBeAg-positive chronic hepat...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/jvh.12261
更新日期:2014-12-01 00:00:00
abstract::To evaluate the prevalence and indicators of hepatitis C virus (HCV) infection in Houston and determine the effectiveness of targeted HCV screening in sexually transmitted disease (STD) clinics. We performed a cross-sectional survey in low-risk and high-risk groups in Houston. This included a blinded survey of HCV con...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1046/j.1365-2893.2003.00410.x
更新日期:2003-03-01 00:00:00
abstract::An imbalance between cytoproliferation and apoptosis may be relevant in liver carcinogenesis. The aim of this study was to analyse these parameters in patients with chronic liver damage in relation to the aetiology of the disease. Forty-eight patients were studied: 23 had hepatitis C virus (HCV)- and 11 had hepatitis ...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1046/j.1365-2893.2001.00267.x
更新日期:2001-01-01 00:00:00
abstract:SUMMARY:Treatment of hepatitis C virus (HCV) infection with interferon (IFN)-alpha, as monotherapy or in combination with ribavirin, is associated with significant side-effects including weight loss. The aim of our study was to describe the evolution of body weight during combination antiviral treatment and to examine ...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/j.1365-2893.2005.00637.x
更新日期:2005-09-01 00:00:00
abstract::We aimed to compare the evolution of estimated glomerular filtration rate (eGFR) in HIV-, HIV-HBV- and HBV-infected patients treated with tenofovir disoproxil fumarate (TDF). Three groups of patients receiving TDF > 12 months were recruited: 194 HIV-infected patients, 85 HIV-HBV-coinfected patients and 50 HBV-infected...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/jvh.12088
更新日期:2013-09-01 00:00:00
abstract::Better convenience and tolerability and sustained therapeutic concentrations might improve interferon (IFN) treatment for chronic hepatitis C virus (HCV) infection. In an open-label, randomized study, controlled release free (chemically unmodified) recombinant human IFN-α(2b) in poly(ether-ester) microspheres (CR-rhIF...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章,随机对照试验
doi:10.1111/j.1365-2893.2010.01298.x
更新日期:2011-04-01 00:00:00
abstract::Hepatitis A incidence has declined in most countries through a combination of prevention measures, augmented through the use of a highly effective vaccine. In Australia, the proportion of the population susceptible to hepatitis A infection has declined over time due to high rates of opportunistic vaccination as well a...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/jvh.13018
更新日期:2019-01-01 00:00:00
abstract::Liver damage may result from multiple factors in HIV-infected patients. The availability of reliable noninvasive tools to measure liver fibrosis has permitted the screening of large patient populations. Cross-sectional study of all consecutive HIV outpatients who underwent examination by transient elastometry (FibroSc...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/j.1365-2893.2009.01261.x
更新日期:2011-01-01 00:00:00
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journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/j.1365-2893.2011.01507.x
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pub_type: 杂志文章,评审
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journal_title:Journal of viral hepatitis
pub_type: 杂志文章,评审
doi:10.1046/j.1365-2893.1999.00173.x
更新日期:1999-07-01 00:00:00
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journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/jvh.12908
更新日期:2018-09-01 00:00:00
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journal_title:Journal of viral hepatitis
pub_type: 杂志文章
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更新日期:2020-12-01 00:00:00
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journal_title:Journal of viral hepatitis
pub_type: 杂志文章,多中心研究
doi:10.1046/j.1365-2893.1999.t01-1-6120135.x
更新日期:1999-01-01 00:00:00
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journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/j.1365-2893.1996.tb00101.x
更新日期:1996-11-01 00:00:00
abstract::The incidence of, and risk factors for, acute hepatitis A (AHA) were assessed by using data collected from the Italian surveillance system of acute viral hepatitis (SEIEVA). To this end, a case-control study within a population-based surveillance for acute viral hepatitis was performed. AHA incidence has been estimate...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/j.1365-2893.2008.01025.x
更新日期:2008-10-01 00:00:00
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journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/jvh.12642
更新日期:2017-03-01 00:00:00
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journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/jvh.12190
更新日期:2014-01-01 00:00:00
abstract::There are few extant studies on the prevalence of HBV infection in couples preparing for pregnancy. We assessed the prevalence of hepatitis B surface antigen (HBsAg) and hepatitis B e antigen (HBeAg) in couples preparing for pregnancy in rural China, and the association between HBV prevalence and the statuses of HBsAg...
journal_title:Journal of viral hepatitis
pub_type: 杂志文章
doi:10.1111/jvh.12693
更新日期:2017-08-01 00:00:00