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  • Title: Impact of fibrosis progression on clinical outcome in patients treated for post-transplant hepatitis C recurrence.
    Author: Dhanasekaran R, Sanchez W, Mounajjed T, Wiesner RH, Watt KD, Charlton MR.
    Journal: Liver Int; 2015 Nov; 35(11):2433-41. PubMed ID: 26058570.
    Abstract:
    BACKGROUND & AIMS: Patients who achieve sustained virological response (SVR) following the treatment of post-liver transplant (LT) recurrence of hepatitis C virus (HCV) infection have improved outcomes. The full impact of eradication of HCV on allograft histology is, however, not clearly known. METHODS: We studied allograft histology in protocol-based paired liver biopsies in consecutive LT recipients who underwent post-LT treatment of recurrence of HCV. RESULTS: A total of 116 patients were treated with interferon-based therapy for recurrent HCV. Paired pre-treatment baseline biopsies and post-treatment biopsies were available in 83.2% of patients. SVR was achieved in 37.9% of patients. Among the patients who achieved SVR, 20.5% had progression of fibrosis on post-treatment biopsies vs. 65.5% of patients with non-response/relapse (P < 0.001). The impact of virological response on fibrosis progression was sustained and a similar outcome was observed in the subset of patients who had 4-5 year post-treatment biopsies available. In the SVR group, 12.8% progressed to fibrosis stage ≥3 on post-treatment biopsies vs. 37.9% in the non-response/relapse group (P = 0.001). The 5-year survival in patients with progression of fibrosis 86% vs. 98% among patients who had improvement/stable fibrosis [P = 0.003; HR 3.8 (1.2-11.8)]. A small subset of patients who achieve SVR unfortunately still experience progression of fibrosis, most commonly associated with plasma cell hepatitis. CONCLUSIONS: In post-transplant patients treated for HCV, SVR is associated with improved graft survival and also with sustained and significant improvement in histological outcome. Importantly, progression of fibrosis still occurred in a small subset of patients who achieved SVR.
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