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Efficacy of Long-term Ribavirin in Non-responders With Chronic Hepatitis C and Advanced Fibrosis — RIBACIR  

Chronic Hepatitis C Clinical Trial

Official title:
Phase II Trial of Long-term Monotherapy With Ribavirin Against Colchicine on Progression of Chronic Hepatitis C With Advanced Fibrosis in Patients With Non-response to Standard Antiviral Therapy

Clinical Trial Summary

The rate of sustained virological response to a course of standard antiviral therapy (peg-interferon plus ribavirin) of patients with chronic hepatitis C infected by genotype 1 with advanced fibrosis (>F2) is rather low. Monotherapy with ribavirin reduces ALT levels and necroinflammatory liver activity in up to a half of non-responders to standard antiviral therapy, but without changes in liver fibrosis or viremia. Such a beneficial effect seems to be mainly due to the immunomodulatory effect of ribavirin. Portal pressure, as measured by HVPG, lowers in patients with chronic hepatitis C and advanced fibrosis with end-of-treatment response to peg-interferon plus ribavirin. Portal pressure reduction in this setting relates to a reduction of the necroinflammatory liver activity, but not with fibrosis amelioration. We hypothesize that monotherapy with ribavirin reduces portal pressure in hepatitis C patients with advanced fibrosis by means of its immunomodulatory and anti-inflammatory effects, and could constitute an alternative to non-responders to standard antiviral treatment. Portal pressure measurement has become a validated surrogate outcome measure in chronic liver disease, since decreasing portal pressure has shown consistent improvement in survival and clinical outcomes, such as complications of portal hypertension. The primary aim of this study is to investigate whether ribavirin monotherapy slows the progression of advanced chronic liver disease by hepatitis C as assessed by a reduction in HVPG.

Clinical Trial Description

n/a

Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Open Label, Primary Purpose: Treatment

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT00840489
Study type Interventional
Source Hospital Universitario Ramon y Cajal
Contact
Status Terminated
Phase Phase 2
Start date January 2009
Completion date December 2012
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