Abstract
Introduction
Pegylated interferon and ribavirin (PEG-IFN/RBV) therapy for recurrent hepatitis C after liver transplantation (LT) is associated with a lower sustained virological response (SVR) rate as well as more frequent side effects compared to non-transplant patients. We aimed to determine the incidence and clinical characteristics of LT recipients with recurrent hepatitis C who developed immunological dysfunction (ID) during or after PEG-IFN/RBV therapy and to assess its impact on patient and graft survival.
Methods
Seventy-four deceased donor LT recipients with histological recurrence of hepatitis C were treated with PEG-IFN/RBV from 1/00 to 12/08. ID was defined as biopsy-proven rejection or moderate plasma cell hepatitis. Patients were followed up until death, re-LT or 30 September 2011.
Results
Twelve patients (16 %) had ID, 8 (10.7 %) had cholestasis without ID, while 54 had no ID/cholestasis during or after discontinuation of PEG-IFN/RBV therapy. Biopsy-proven acute cellular rejection prior to (hazard ratio = 4.87, p = 0.009) and type of immunosuppression at the time of initiation of PEG-IFN/RBV were the only independent predictors of ID. Patients who were on tacrolimus at the time of initiation of PEG-IFN/RBV had a significantly lower risk of ID compared to those who were on cyclosporine (HR 0.254, p = 0.023). Patients with ID had a trend toward a lower SVR rate (25 vs. 54 %, p = 0.18) and a significantly higher rate of graft failure (33 vs. 4 %, p = 0.004) compared to patients with no ID/cholestasis.
Conclusions
ID is common during or after PEG-IFN/RBV therapy for recurrent hepatitis C and frequently associated with decreased graft survival, trending toward low rates of SVR. Careful monitoring of liver biochemistries during or after PEG-IFN/RBV therapy with a low threshold to biopsy patients and particularly those receiving cyclosporine-based immunosuppression may improve outcomes in these patients.


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Abbreviations
- AIH:
-
Autoimmune hepatitis
- HCV:
-
Hepatitis C virus
- ID:
-
Immunological dysfunction
- LT:
-
Liver transplantation
- PEG-IFN:
-
Pegylated interferon
- RBV:
-
Ribavirin
- SVR:
-
Sustained virological response
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Acknowledgments
This research was presented in part as a free communication at the American Transplant Congress, 2011, held in Philadelphia, PA. Dr. Sharma is supported by National Institutes of Health (NIH) grant KO8 DK-088946 and a research award from American College of Gastroenterology.
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Sharma, P., Hosmer, A., Appelman, H. et al. Immunological dysfunction during or after antiviral therapy for recurrent hepatitis C reduces graft survival. Hepatol Int 7, 990–999 (2013). https://doi.org/10.1007/s12072-013-9436-1
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DOI: https://doi.org/10.1007/s12072-013-9436-1