Active clinical trials for "Hepatitis C"

The purpose of this study is to determine multiple dose safety, tolerability and pharmacokinetics of ABT-072 under nonfasting conditions in healthy adult subjects, and to determine the effect of single dose administration of ketoconazole on steady state ABT-072 pharmacokinetics.

The purpose of this study is to determine whether a six-session, small group behavioral intervention based on "peer-volunteer activism" is effective in (1) decreasing distributive sharing of syringes and other injection paraphernalia and (2) increasing utilization of HCV-related healthcare services among HCV-infected injection drug users

The purpose of this study is to determine multiple dose safety, tolerability and pharmacokinetics of ABT-333 under nonfasting conditions in healthy adult subjects, and to determine the effect of single dose administration of ketoconazole on steady state ABT-333 pharmacokinetics

The objective of this study is to compare the efficacy of a 6-session hepatitis C self-management workshop to a hepatitis C self-management self-study program. Both interventions are designed to help people with hepatitis C learn to actively self-manage their chronic HCV infection, and ultimately, to improve health outcomes for veterans with HCV who are not receiving Interferon-based treatment. Participants complete a total of four assessments. The fourth assessment, a 12-18 month assessment is an approved addition to the original study design

The purpose of this study is to examine the safety, tolerability and pharmacokinetics of increasing oral doses of TMC435350 after single and repeated dosing, followed by an open label repeated dosing session in 6 HCV genotype1 infected patients.

Hepatitis C virus is commona viral infection. Direct-acting antiviral (DAA) oral drugs has been used in treatment of HCVs. the effect of these drugs on male infertility is still under investigation.

The purpose of this study is to follow-up with participants from feeder studies who achieved sustained virologic response (SVR) over 24 hours posttreatment (SVR24), to assess durability of SVR, and to assess the changes in liver disease, development of hepatocellular carcinoma and post-treatment safety over time. Participants enter this study from feeder studies CDEB025A2210 (NCT01183169), CDEB025A2301 (NCT01318694), and CDEB025A2211 (NCT01215643). They return to the site for up to 48 weeks with a maximum of 3 visits. No treatment is involved.

Epclusa® is a pan-genotypic, once-daily tablet for the treatment of chronic hepatitis C virus (HCV) infection containing the NS5B- polymerase inhibitor sofosbuvir (SOF, nucleotide analogue) 400 mg and the NS5A inhibitor velpatasvir (VEL) 100 mg. Velpatasvir has pH dependent absorption. At higher pH the solubility of velpatasvir decreases. It has been shown that in subjects treated with proton pump inhibitors (PPIs) such as omeprazole, the absorption of velpatasvir is reduced by 26-56%, depending on the dose of omeprazole, concomitant food intake, and timing/sequence of velpatasvir vs. omeprazole intake. As a result, concomitant intake of PPIs with velpatasvir is not recommended. For a number of reasons, the prohibition of PPI use with velpatasvir is a clinically relevant problem. First, PPI use is highly frequent in the HCV-infected subject population with prevalences reported up to 40%. Second, PPIs are available as over-the-counter medications and thus can be used by subjects without informing their physician. Third, although HCV therapy is generally well tolerated, gastro-intestinal symptoms such as abdominal pain and nausea are frequently reported, which my lead to PPI use. One solution of this problem could be the use of other acid-reducing agents such as H2-receptor antagonists or antacids. In general, they have a less pronounced effect on intragastric pH, and are considered less effective than PPIs by many patients and physicians. A second solution would be the choice of another HCV agent or combination that is not dependent on low gastric pH for its absorption such as daclatasvir. Daclatasvir, however, is not a pan-genotypic HCV agent and may be less effective against GT 2 and 3 infections than velpatasvir. Second, not all subjects have access to daclatasvir, depending on health insurance company or region where they live. A third solution, and the focus of this COPA study, is to add a glass of the acidic beverage cola at the time of velpatasvir administration in subjects concurrently treated with PPIs. This intervention has been shown to be effective for a number of drugs from other therapeutic classes who all have in common a reduced solubility (and thus reduced absorption) at higher intragastric pH, namely erlotinib, itraconazole, ketoconazole. The advantages of this approach are: (1) only a temporary decrease in gastric pH at the time of cola intake; the rest of the day the PPI will have its therapeutic effect (2) cola is available worldwide (3) the administration of cola can be done irrespective to the timing of PPI use.

Assess the effect of renal function on the blood levels of DCV, ASV, BMS-791325.

The overall aim of this study is to reduce risk behaviors and increase health and behavioral health service utilization among disadvantaged, drug-using rural women at high risk for HIV and HCV. This project has potential to make a significant contribution to science by providing knowledge about the health, risk behaviors, and service utilization of a vulnerable and understudied group of women during a time of emerging and significant public health risk in a rural Appalachian setting. Successful completion of the aims of this project will advance the delivery of a low-cost, potentially high impact intervention with implications for a number of other real world settings (such as criminal justice venues) where other disadvantaged high-risk drug users can be identified and targeted for intervention.