نتایج جستجو برای: early virologic response
تعداد نتایج: 1595197 فیلتر نتایج به سال:
OBJECTIVE To determine initial 24-week outcomes among prospectively enrolled patients with failure of initial antiretroviral therapy (ART). METHODS Baseline virologic failure was defined as HIV-1 viral load greater than 1000 copies/ml. Second-line ART was informed by results of genotype testing and selected from agents in the South-African public sector. Twenty-four week endpoints included vi...
Approximately 50% of patients with hepatitis C virus (HCV) genotype 1 treated with peginterferon alfa-2a/ribavirin discontinue treatment early or experience a suboptimal response despite 48 weeks of therapy. The objective of this analysis was to develop a model to identify nonrapid virologic response (non-RVR) patients who may be candidates for intensified therapy that would increase treatment ...
Hepatitis C virus (HCV) infection is resistant to interferon-alpha (IFN-alpha) in some patients. The mechanism of this resistance is unknown. Interleukin-1 receptor antagonist (IL-1Ra) is induced by IFN-alpha and is a good indicator of IFN activity. In the current study, we compared IL-1Ra levels in rapid virologic responders and flat responders who showed resistance to IFN. Three groups of pat...
BACKGROUND Clinical implications of persistent alanine aminotransferase (ALT) elevation and associated factors in chronic hepatitis C (CHC) patients who achieved undetectable hepatitis C virus (HCV) RNA during pegylated interferon plus ribavirin (peg-IFN/RBV) therapy remain unknown. METHODS A total of 1113 CHC patients with undetectable HCV RNA during peg-IFN/RBV therapy were enrolled. Baseli...
With the current standard of care for the treatment of chronic hepatitis C, a combination of pegylated interferon alfa and ribavirin, sustained virologic response rates can be achieved in approximately 50% of patients only. - Improved understanding of the viral life cycle has led to the identification of numerous potential targets for novel, direct-acting antiviral compounds. Inhibitors of the ...
BACKGROUND Multiple variables influencing the sustained virologic response (SVR) in chronic hepatitis C have been evaluated. One of them is genetic polymorphism near the IL28B gene. OBJECTIVES The aim of this study was to evaluate the influence of IL28B genotypes on SVR rates in a group of patients with chronic hepatitis C from the western part of Romania. PATIENTS AND METHODS A retrospecti...
BACKGROUND The dynamics of raltegravir-resistant variants and their impact on virologic response in 23 HIV-1-infected patients, who started a salvage raltegravir-containing regimen, were investigated. METHODS Integrase population sequencing and Ultra-Deep-454 Pyrosequencing (UDPS) were performed on plasma samples at baseline and at raltegravir failure. All integrase mutations detected at a fr...
OBJECTIVE We examined weight changes during chronic hepatitis C (CHC) therapy and association with virologic response. METHODS Weight changes were compared between subjects achieving rapid, early, and sustained virologic response rates (RVR, EVR, and SVR). RVR, EVR and SVR were compared among patients with or without weight loss of ≥ 0.5 body mass index (BMI) units (kg/m²) at 4, 12, 48 weeks....
OBJECTIVE Some patients with chronic hepatitis C virus (HCV) infection fail to achieve complete early virologic response (EVR) despite a marked decrease in HCV RNA at 4 weeks. We investigated the characteristics and final treatment outcomes of this patient subpopulation. METHODS A total of 516 patients with HCV genotype 1 were enrolled. Background characteristics and final outcomes were compa...
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