View clinical trials related to Hepatitis C.
Filter by:Background: According to recent estimates, the prevalence of Chronic Hepatitis C (CHC) in Canada is three times more common in First Nations (FN)and Metis compared to non-FN populations. Moreover, once infected, the progression of CHC to cirrhosis and/or hepatocellular carcinoma is greater in FN patients due to the increased prevalence of alcohol abuse, obesity and diabetes in this segment of the population. Research Plan: This research proposal consists of three parts. The objective of Part I is to document the response to anti-viral treatment for CHC among treatment-naïve FN and Metis and Caucasian (hereafter referred to as non-FN) patients residing in three urban Western Canadian centres (Winnipeg, Saskatoon and Regina). Demographic, clinical and response to treatment data in a total of 160 patients (80/group) will be collected at the above centres and transferred to the Section of Hepatology at the University of Manitoba for statistical analyses. In Part II, the applicants will document and compare the immune responses to HCV proteins throughout the course of therapy in FN, Metis and non-FN patients. In the final part, direct economic costs of CHC care in FN, Metis and non-FN patients will be ascertained and future costs predicted. Hypotheses: Part I - The rate of sustained virologic response (SVR) to treatment for CHC is higher in FN and Metis compared to non-FN and no Metis patients. Part II - The immune response to HCV proteins during anti-viral therapy for CHC is enhanced in FN and Metis compared to non-FN and non-Metis patients. Part III - The direct costs of health care utilization and delivery for CHC are similar among FN and Metis and non-FN and non- Metis patients.
The purpose of this 12-week study was to assess in subjects with chronic hepatitis C (treatment-naïve, genotype 1) receiving weight-based doses of ribavirin the early virologic response to the 480 ug dose level of Locteron™, dosed every 2 weeks, in comparison with 1.5 ug/kg PEG-Intron™ dosed weekly.
This is a phase I, open-label, dose escalation study to evaluate the safety of MBL-HCV1 in healthy adult volunteers. Eligible volunteers will be admitted to a phase 1 unit for study infusion. A single dose of human monoclonal antibody will be administered. The study duration is 56 days. During this time, safety will be assessed via physical examinations, laboratory testing, concomitant medication usage and review of treatment emergent adverse events should they occur. Pharmacokinetics will be derived from analysis of blood samples obtained during the 56 day study.
One single study has suggested that bone mineral density (BMD) is reduced in patients with non-cirrhotic chronic viral hepatitis C. Antiviral combination therapy with standard interferon and ribavirin may further decrease BMD. The aim of this study is to systematically investigate the effect of chronic hepatitis C genotype 1 infection alone and current standard therapy with peginterferon alfa-2a/ribavirin on BMD and bone metabolism.
The purpose of this study is to assess the bioavailability, safety, tolerability and pharmacokinetics of two tablet formulations as compared to the capsule formulation suspended in liquid.
The current Standard of Care (SOC) for chronic HCV infection, which is pegylated interferon-alfa as combination therapy with ribavirin for 24-48 weeks of treatment, is effective in only part of the patients and is often associated with severe adverse effects leading to discontinuation of treatment and dose modifications. A number of compounds with direct activity are currently under clinical development, incl. BI 201335. BI 201335 works by preventing the Hepatitis C virus from replicating by binding to the HCV protease (enzyme). The main purpose of this clinical trial with BI 201335 is to see how well BI 201335 works and how safe BI 201335 is to use daily in combination with PegIFN and RBV in HCV infected patients
The purpose of this study is to investigate the differences of genotypes of hepatitis B and hepatitis C in Taiwan.
The purpose of this study is to test the hypothesis that clemizole hydrochloride is safe and well tolerated when administered to subjects who are infected with hepatitis C virus and have not yet received treatment. This study will also examine how the virus and body respond to clemizole hydrochloride.
Treatment of patients with chronic hepatitis C infected with genotype 1 hepatitis C virus (HCV) consists of combined peginterferon/ribavirin for 48 weeks. Approximately 50% of patients experience sustained virological response which equals cure. All other patients either do not respond or experience recurrence of HCV virus and chronic hepatitis. Important predictors of successful treatment are sustained dosing of both peginterferon and ribavirin. With regard to the latter, clinical evidence indicates that higher ribavirin doses may in fact even improve treatment outcome. However, high ribavirin doses cause hemolytic anemia which require dose reductions. Recent clinical experience show that erythropoetic growth factors, including erythropoetin, can counteract hemolytic anemia caused by antiviral treatment in chronic hepatitis C patients. Therefore, the current trial aims to test whether higher ribavirin doses adapted to a target plasma concentrations instead of a weight-based dosing result in better healing rates, and whether ribavirin-associated hemolytic anemia can be compensated by concommitant erythropoetin treatment. Using a randomized, controlled, open-label design, the investigators hypothesize that patients with high ribavirin doses adapted to plasma levels experience better viral clearance than patients treated with standard weight-based ribavirin doses. In addition, the investigators hypothesize that erythropoetin treatment will counteract hemolytic anemia induced by ribavirin thereby allowing maintenance of target plasma concentrations without ribavirin dose reductions.
This study will provide vaniprevir 600 mg or 300 mg twice daily in combination with pegylated interferon (peg-IFN) and ribavirin (RBV) to participants with chronic hepatitis C virus (HCV) infection who did not achieve viral eradication while participating in a prior vaniprevir clinical trial (MK-7009-004, NCT00518622; MK-7009-007, NCT00704405; MK-7009-009, NCT00704184; and MK-7009-029, NCT00954993).