View clinical trials related to Hepatitis C.
Filter by:The purpose of the study is to assess the safety, tolerability, antiviral effects, and pharmacokinetics of PPI-461 in patients with chronic hepatitis C virus genotype 1 infection.
The purpose of this study is to investigate the effect of steady-state concentrations of TMC435 on the steady-state pharmacokinetics of efavirenz or raltegravir , and vice versa. Steady state is a term which means that the drug has been given long enough so that the plasma concentrations will remain the same with each subsequent dose. TMC435 is being investigated for the treatment of chronic hepatitis C virus (HCV) infection. Efavirenz and raltegravir are two antiretroviral drugs for treatment of human deficiency virus (HIV) infection. Pharmacokinetics (pk) means how the drug is absorbed into the bloodstream, distributed in the body and eliminated from the body.
The purpose of this study is to evaluate the effectiveness of telaprevir administered twice daily versus every 8 hours in combination with Peg-IFN-alfa-2a and ribavirin in treatment-naïve participants with chronic HCV genotype 1 infection.
HIV infection exerts a negative impact on the course of HCV infection. Co-infected individuals progress more rapidly to liver fibrosis, cirrhosis and ESLD compared to those infected with HCV alone. Some of the this accelerated fibrosis may be related to longterm chronic toxicity from protease inhibitor based ART. Hypothesis: Switching from ritonavir boosted-PI based ART regimen to a Raltegravir-based regimen will reduce the rate of hepatic fibrosis progression in HIV-HCV co-infected patients as measured by transient elastography (Fibroscan®) and the AST-to-platelet ratio index (APRI).
This is a randomized, open-label, parallel group, multicenter pilot study evaluating the efficacy and safety of alternative dosing of ribavirin vs. standard of care dosing in combination with peginterferon alpha-2a in interferon naïve patients with chronic hepatitis c genotype 1 infection.
Vitamin D deficiency is commonly found in patients with chronic hepatitis C. The investigators hypothesize that the correction of hypovitaminosis D before the initiation of anti-HCV combination therapy and the maintenance of an optimal vitamin D status during antiviral therapy could improve the antiviral efficacy
This phase 2b study will evaluate the efficacy and safety of 16 and 24 weeks of response-guided duration of therapy with GS-9190 and GS-9256 in combination with Peginterferon Alfa-2a (Pegasys®) and Ribavirin (Copegus®). Additionally, the efficacy and safety of 24 weeks of GS-9256 in combination with Peginterferon Alfa-2a (Pegasys®) and Ribavirin (Copegus®) will be evaluated.
The purpose of this study is to assess the pharmacokinetics, safety and tolerability of single and multiple oral doses of TMC435 in Chinese healthy volunteers. Pharmacokinetics (PK) means how the drug is absorbed into the bloodstream, distributed in the body and eliminated from the body.
The purpose of this study is to evaluate the safety, tolerability, pharmacokinetics, and antiviral activity of ABT-450 with ritonavir (ABT-450/r) dosed in combination with ABT-072 and ribavirin (RBV) in treatment-naïve participants with genotype 1 chronic hepatitis C virus (HCV) infection.
This randomized, open-label, active-controlled, parallel-group study will evaluate the sustained virological response of danoprevir boosted with low dose ritonavir in combination with Pegasys (peginterferon alfa-2a) and Copegus versus Pegasys and Copegus alone in treatment-naive patients with chronic Hepatitis C.