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UNLABELLED Individualized treatment on the basis of early viral kinetics has been discussed to optimize antiviral therapy in chronic hepatitis C virus (HCV) infection. Individually tailored reduction in treatment duration in HCV type 1-infected patients represents one possible strategy. Four hundred thirty-three patients were randomly assigned to receive(More)
UNLABELLED Tenofovir disoproxil fumarate (TDF) has demonstrated high antiviral efficacy in treatment-naive patients with chronic hepatitis B virus (HBV) infection but experience in nucleoside/nucleotide analogue (NA)-experienced patients is limited. In this retrospective multicenter study we therefore assessed the long-term efficacy of TDF monotherapy in(More)
Incomplete virological response to adefovir dipivoxil (ADV) has been observed in patients with lamivudine-resistant hepatitis B virus (HBV) infection and may be associated with developing resistance and disease progression. We therefore investigated whether the efficacy of viral suppression could be improved by replacing ADV with tenofovir disoproxil(More)
BACKGROUND & AIMS Suboptimal virologic response to nucleos(t)ide analogs may represent a significant risk factor for resistance development in patients with chronic hepatitis B virus infection; treatment options have not been well studied. We evaluated long-term efficacy and safety of tenofovir alone and in combination with emtricitabine in a prospective,(More)
According to published data, 60% of hepatitis C virus (HCV)-infected patients in Croatia have HCV genotype 1. The second most common genotype is 3a (36%). Standard treatment regimen for patients with chronic hepatitis C is a combination of pegylated interferon alfa (2a or 2b) with ribavirin, in duration guided by genotype: patients with genotype 1 are(More)
BACKGROUND & AIMS Guidelines recommend that patients with chronic hepatitis C virus (HCV) infection be treated with pegylated interferon and ribavirin for 24, 48, or 72 weeks, based on their virologic response to treatment. We investigated the effects of treating patients for individualized durations. METHODS We treated 398 treatment-naïve patients who(More)
In the paper a new concept of modeling uncertainty is presented, based on the theory of fuzzy random variables. By this means, a super-ordinate uncertainty model is made available which includes the models developed so far, based on random variables and fuzzy variables as special cases. The fuzzy random variables are accounted for as input values in the(More)
AIM To analyzes the decision whether patients with chronic hepatitis C virus (HCV) infection are treated or not. METHODS This prospective cohort study included 7658 untreated patients and 6341 patients receiving pegylated interferon α 2a/ribavirin, involving 434 physicians/institutions throughout Germany (377 in private practice and 57 in hospital(More)
BACKGROUND Tenofovir disoproxil fumarate (TDF), an acyclic nucleotide analogue was shown to be effective in many HBV-infected patients with resistance to adefovir dipivoxil (ADV). This observation is intriguing because in vitro studies show that HBV mutations selected by ADV confer cross-resistance to TDF. To assess the clinical relevance of this(More)