Liver Immune Tolerance Marker Utilization Study

At week 0 patients have liver biopsy and liver functional tests (LFTs). Week 1-4 medication reduction to 1.5mg Tacrolimus (Tac) daily or 150mg Cyclosporine A (CsA). At week 4 LFTs. Week 5-8 medication reduction to 1mg Tac / 100mg CsA. Week 8 LFTs. Week 9-12 reduction to 0.5mg Tac/ 50mg CsA. Week 12 LFTs. Week 13-16 reduction to 0mg. Week 16 liver biopsy \& LFTs. Weekly LFTs performed Week 17-20. Monthly LFTs for the next 3 months. LFTs every 3 months for monitoring.