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Hepatitis C in a Cohort of Patients With Maintenance Therapy for Opiate Dependence - Prevalence, Severity and Outcome of Antiviral Therapy

Hepatitis C Clinical Trial

Official title:
Hepatitis C in a Cohort of Patients With Maintenance Therapy for Opiate Dependence - Prevalence, Severity and Outcome of Antiviral Therapy

Clinical Trial Summary

Hepatitis C is the leading cause of chronic liver disease in industrialized countries, and is the most common indication for liver transplantation. In the Western world, the absolute majority of cases of Hepatitis C Virus (HCV) infection are related to the use of injectable narcotic drugs. Most injecting drug users contract HCV infection within the first years after starting injecting drug use. The aim of this study is to study hepatitis C in a cohort of patients registered in clinics providing maintenance therapy for opiate dependence in three metropolitan areas of Sweden. The cohort is defined as all patients registered in these three clinics at the date of study initiation. The study contains four parts:

Part I: the first part of the study aims to evaluate the prevalence of HCV exposure in the cohort and the proportion of anti-HCV positive participants with chronic infection.

Part II: Patients with chronic HCV infection will be offered further investigation of chronic liver disease, including liver biopsy, for selection of candidates for antiviral therapy and identification of risk factors for development of severe liver disease.

Part III: Based on the results of these investigations, patients will be considered for antiviral therapy. Indications for such therapy will mainly be clinical and/or histological signs of chronic liver disease with fibrosis. All patients will receive weight-based doses of pegylated interferon-alfa-2b and ribavirin.

Part IV: Study of pharmacokinetic interactions between ribavirin and opiate substitution molecule (methadone or buprenorphine) in patients receiving antiviral therapy according to part III.

Clinical Trial Description

n/a

Study Design

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

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT01045278
Study type Interventional
Source Region Skane
Contact
Status Completed
Phase Phase 4
Start date April 2008
Completion date September 2013
View Details
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