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Clinical Trial Summary

This is a proof of principal study to determine whether combination anti-viral therapy with Combivir impacts on hepatic biochemistry in patients with primary biliary cirrhosis


Clinical Trial Description

A novel human retrovirus has been cloned from a cDNA library derived from biliary epithelia cells extracted from patients with Primary Biliary Cirrhosis. Although there is no formal proof that this virus is etiologically related to the disease, we have found evidence for viral infection in the majority of patients with PBC using standard serologic and hybridization assays. In order to address the hypotheses that PBC is etiologically related to a retrovirus infection and that anti-retroviral therapy may be beneficial for patients with PBC, we have conducted 2 pilot studies using lamivudine and Combivir (lamivudine 150mg and Zidovudine 300mg). On the whole, little clinical improvement was observed in patients on lamivudine therapy alone, whereas those on Combivir had significant reductions of hepatic biochemistry studies and histologic improvement. Moreover, 4 of 10 Combivir patients completely normalized their liver function tests and the anti-viral therapy was well tolerated. We now propose a larger randomized trial to assess the short term (6 months) safety and efficacy of Combivir for patients with PBC. Efficacy in this study will be defined using both liver biochemistries and virologic endpoints. ;


Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Parallel Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT00490620
Study type Interventional
Source University of Alberta
Contact
Status Completed
Phase Phase 2/Phase 3
Start date January 2004
Completion date April 2007

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