Abstract
Introduction
Treatment outcomes of recurrent HCV genotype 3 (GT-3) after liver transplantation (LT) are ill-defined.
Aims
To determine efficacy, predictors, and long-term survival after treatment of recurrent HCV GT-3 infection, post-LT, with a combination of pegylated interferon (PEG) and ribavirin (RBV).
Methods
We studied all LT recipients (LTR) in our program treated with PEG and RBV for recurrent HCV GT-3 between Jan 1st 2002 and Dec 31st 2013. Antiviral therapy (AVT) was started if histology showed recurrent HCV with ≥stage2 fibrosis. Treatment was intended for 24 or 36 weeks, depending on early virologic response, and/or 24 weeks consolidation. Primary endpoint was sustained virological response (SVR). We also studied predictors of SVR and long-term patient survival.
Results
Among 492 LT for HCV-related cirrhosis and/or hepatocellular carcinoma performed during the study period, 110 (22 %) had HCV GT-3 infection. Fifty-two (10.5 %) HCV GT-3 patients had indications for AVT. Six were unable to complete the AVT, three because of clinical decompensation and one each because of metastatic disease involving the brain, lung cancer, and ductopenic rejection. Forty-seven (90 %) patients achieved early virological response (EVR) and 37 (71 %) achieved SVR. Predictors of SVR were EVR (p < 0.001), stage ≤3 fibrosis (p = 0.008), and 36 weeks treatment duration (p < 0.001). Less advanced fibrosis ≤3 was independent predictor of SVR (OR 0.18, 95 % CI 0.05–0.67). SVR patients had actuarial (Kaplan–Meier) 1, 3, and 10 year post-treatment survival of 100, 100, and 95 %, compared with 87, 78, and 20 % for non-SVR patients (p < 0.001, log rank test).
Conclusion
Efficacy of AVT for recurrent HCV GT-3 post-LT is high, and comparable with that for non-transplant patients. Less advanced fibrosis is an independent predictor of SVR. SVR improves long-term survival.
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Abbreviations
- ACR:
-
Acute cellular rejection
- AVT:
-
Antiviral therapy
- CNI:
-
Calcineurin inhibitor
- DDLT:
-
Deceased donor liver transplant
- ETR:
-
End treatment response
- EVR:
-
Early virological response
- GCSF:
-
Granulocyte colony stimulating factor
- GT:
-
Genotypes
- HCC:
-
Hepatocellular carcinoma
- HCV:
-
Hepatitis C virus
- LDLT:
-
Living donor liver transplant
- LT:
-
Liver transplant
- NR:
-
Non-responders
- PEG:
-
Pegylated interferon
- RBV:
-
Ribavirin
- RR:
-
Relapsers
- RVR:
-
Rapid virological response
- SD:
-
Standard deviation
- SVR:
-
Sustained virological response
- SVR 12:
-
Sustained virological response at 12 weeks
- TGH:
-
Toronto General Hospital
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Compliance with ethical requirements and Conflict of interest
This study was approved by the Ethics Review Board of our hospital. The study was performed in compliance with all needed ethical requirements. Nabiha Faisal, Khalid Mumtaz, Max Marquez, Eberhard l. Renner and Leslie B. Lilly declare that they have no conflict of interest.
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Faisal, N., Mumtaz, K., Marquez, M. et al. High sustained virological response to pegylated interferon and ribavirin for recurrent genotype 3 hepatitis C infection post-liver transplantation. Hepatol Int 9, 76–83 (2015). https://doi.org/10.1007/s12072-014-9589-6
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DOI: https://doi.org/10.1007/s12072-014-9589-6