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Treatment of Hepatitis C in Hemophilic Patients With HIV

2014-08-27 03:55:27 | BioPortfolio

Summary

Pegylated interferon (PEG-interferon) and ribavirin are accepted treatments for hepatitis C virus (HCV) infection. However, HCV infection progresses differently in patients who are coinfected with HIV and in hemophiliacs. This study will evaluate the effectiveness of PEG-interferon and ribavirin for treating HCV in HIV infected hemophiliacs.

Description

Hemophiliacs with symptomatic disease often receive blood products to correct clotting factor deficiencies. Prior to routine use of heat inactivation and screening of donor blood for specific viral pathogens, hemophiliacs were routinely exposed to, and infected with, viruses such as hepatitis B (HBV), HCV, and HIV. Studies in hemophiliacs suggest several important findings that warrant further investigation, including: 1) hemophiliacs infected with HCV may have more rapid progression to liver failure and death; 2) pooled blood concentrate from multiple donors leads to a high risk of mixed infection; and 3) different clinical outcomes and altered immune responses of HIV coinfected hemophiliacs may enhance understanding of mutant virus selection and the associated clinical outcomes. The purpose of this trial is to determine response rates to PEG-interferon and ribavirin in hemophiliacs with HCV alone and with HCV/HIV coinfection.

Participants in this study will be followed for 48 weeks on treatment and up to 36 months after treatment. Participants in this study will be admitted to the Clinical Research Center for 2 days at the beginning of the study. Participants will have 3 additional study visits in the first week of the study. After that, study visits occur at Weeks 2, 4, 8, 12, 16, 24, 32, 40, and 48. The follow-up visits will be at 4, 12, and 24 weeks following the end of treatment. Study visits include a physical exam and blood tests. Patients who do not respond to treatment will be followed in a prospective cohort study for up to 3 additional years so that evolution of the virus and associated immune responses can be evaluated.

Study Design

Allocation: Non-Randomized, Control: Historical Control, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Single Group Assignment, Masking: Open Label, Primary Purpose: Treatment

Conditions

HIV Infections

Intervention

Peginterferon alfa-2a, Ribavirin

Location

University of Cincinnati
Cincinnati
Ohio
United States
45267

Status

Completed

Source

National Institute of Allergy and Infectious Diseases (NIAID)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:55:27-0400

Clinical Trials [1201 Associated Clinical Trials listed on BioPortfolio]

Boceprevir in Combination With Peginterferon Alfa-2a and Ribavirin in Subjects With Chronic Hepatitis C Genotype 1 Who Failed Prior Treatment With Peginterferon/Ribavirin (Study P05685AM2)

Based on previous experience with peginterferon alfa-2b/ribavirin in combination with boceprevir, the combination with peginterferon alfa-2a/ribavirin and boceprevir is expected to be safe...

A Study of Peginterferon Alfa-2a in Combination With Ribavirin in Chronic Hepatitis C (CHC) Patients With Compensated Liver Cirrhosis (LC)

This study evaluated the clinical response of the efficacy and safety of the combination therapy of peginterferon alfa-2a and ribavirin, compared with an antiviral treatment-free group in ...

Safety and Efficacy Study of Peginterferon Lambda-1a vs. Peginterferon Alfa-2a, Plus Ribavirin in Subjects With Genotype 1 Hepatitis C

The purpose of this study is to determine if 48 weeks of therapy with Peginterferon Lambda plus Ribavirin is effective and safe for a treatment of chronic hepatitis C (CHC) compared to the...

REPEAT Study - A Study of PEGASYS (Peginterferon Alfa-2a (40KD)) Therapy in Combination With COPEGUS (Ribavirin) in Patients With Chronic Hepatitis C (CHC) Who Did Not Respond to Previous PegIntron (Peginterferon Alfa-2b (12KD))/Ribavirin Combination Ther

This 4 arm study is designed for patients with CHC who have not responded to peg interferon alfa-2b (12KD)/ribavirin combination therapy. In these patients, the effects of lengthening the ...

A Study of Peginterferon Alfa-2a in Combination With Ribavirin in Patients With Chronic Hepatitis C

This study evaluated the efficacy and safety of the combination of peginterferon alfa-2a plus ribavirin in treatment-naïve patients with HCV genotype 1b infection, compared with peginterf...

PubMed Articles [3486 Associated PubMed Articles listed on BioPortfolio]

An easy-to-use baseline scoring system to predict response to peginterferon alfa-2a in patients with chronic hepatitis B in resource-limited settings.

Approximately one-third of patients have durable responses after finite (48-week) treatment with peginterferon alfa-2a. The ability to identify patients likely to respond would be particularly useful ...

No association between IFNL3 (IL28B) genotype and response to peginterferon alfa-2a in HBeAg-positive or -negative chronic hepatitis B.

It has yet to be firmly established whether host IFNL3 (IL28B) genotype influences interferon responsiveness in patients with chronic hepatitis B. We investigated associations between single-nucleotid...

Editorial: a baseline tool for predicting response to peginterferon alfa-2a in HBeAg-positive patients-same score, different outcomes.

Editorial: a baseline tool for predicting response to peginterferon alfa-2a in HBeAg-positive patients-same score, different outcomes. Author's Reply.

Reduced ITPase activity and favorable IL28B genetic variant protect against ribavirin-induced anemia in interferon-free regimens.

Genetic variants of inosine triphosphatase (ITPA) that confer reduced ITPase activity are associated with protection against ribavirin(RBV)-induced hemolytic anemia in peginterferon(IFN)/RBV-based tre...

Medical and Biotech [MESH] Definitions

A recombinant alfa interferon consisting of 165 amino acids with arginine at positions 23 and 34. It is used extensively as an antiviral and antineoplastic agent.

A recombinant alfa interferon consisting of 165 amino acids with lysine at position 23 and histidine at position 34. It is used extensively as an antiviral and antineoplastic agent.

A recombinant alfa interferon consisting of 165 amino acid residues with arginine in position 23 and histidine in position 34. It is used extensively as an antiviral and antineoplastic agent.

This recombinant erythropoietin, a 165-amino acid glycoprotein (about 62% protein and 38% carbohydrate), regulates red blood cell production. Epoetin alfa is produced by Chinese hamster ovary cells into which the human erythropoietin gene has been inserted. (USP Dictionary of USAN and International Drug Names, 1996).

A nucleoside antimetabolite antiviral agent that blocks nucleic acid synthesis and is used against both RNA and DNA viruses.

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