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Infection with both HIV and hepatitis C virus (HCV) may result in serious and sometimes fatal liver disease. The purpose of this study is to test the effectiveness of long-term pegylated interferon alfa-2a (PEG-IFN) and ribavirin treatment in slowing liver disease progression in people infected with both HIV and HCV.
Rapid progression of liver disease to liver failure has been observed in people coinfected with HIV and HCV. This observation appears to be directly related to an increase in the rate of fibrotic progression in the liver compared to people infected with HCV alone. PEG-IFN and ribavirin are used in standard treatment of HCV. This study will test the effectiveness of using PEG-IFN and ribavirin in reducing the rate of liver fibrosis progression in patients coinfected with HIV and HCV who cannot lower their HCV viral load to undetectable or who cannot maintain their HCV viral load at undetectable.
Patients will enter Step 1 (also known as Arm A) and will receive 180 mcg PEG-IFN subcutaneously once weekly for at least 12 weeks and up to 18 weeks. They will also receive 1 to 1.2 g/day ribavirin based on weight. Participants may continue to receive Step 1 treatment to determine if they meet the early viral response criteria based on an evaluation at the Week 12 visit. If a participant has less than a 2-log drop in HCV viral load and detectable HCV viral load in their blood, participants must discontinue study treatment. Those who tolerated Step 1 therapy and have a 2-log or more drop in HCV viral load or have undetectable HCV viral load will enter Step 3. Step 2 is closed as of 05/10/07. If a participant does not meet the criteria for entry into Step 3, the participant must discontinue study treatment and follow procedures for the Step 1 discontinuation. Step 3 patients will continue their Step 1 treatment for an additional 60 weeks and will be followed for 24 weeks after stopping treatment. Due to the closure of Step 2, Step 3 patients who have a detectable HCV viral load at Week 36 will now stay on Step 3 until the end of the study.
Liver biopsies will be conducted at study entry and at the end of Step 3. Medical history assessment, physical exams, and blood collection will be conducted every 4 weeks for patients in Steps 1, 2, and 3. Patients will be followed for 72 to 102 weeks, depending on their treatment arm assignment.
Allocation: Randomized, Control: Active Control, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Open Label, Primary Purpose: Treatment
Peginterferon alfa-2a, Ribavirin
University of Alabama at Birmingham
National Institute of Allergy and Infectious Diseases (NIAID)
Published on BioPortfolio: 2014-08-27T03:54:33-0400
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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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