Background. The high prevalence of hepatitis C virus (HCV) infection in hemodialysis patients is of great concern because they have a higher rate of mortality than HCV-negative hemodialysis patients. The aim of the study was to evaluate the efficacy and safety of pegylated interferon α-2a monotherapy in hemodialysis patients with chronic HCV infection. Methods. Fourteen dialysis patients with chronic HCV infection were scheduled to receive 135 μg pegylated interferon α-2a subcutaneously, once a week, after dialysis session for a period of 48 weeks. Efficacy and safety were assessed by end of treatment viral response, sustained viral response, biochemical response, and adverse events. Serum HCV RNA levels were assessed using reverse transcriptase polymerase chain reaction (RT-PCR), while HCV genotype was analyzed by RT-PCR followed by hybridization of amplified products. Results. Of the 14 patients enrolled in the study, 9 completed treatment. Eight patients (57%) had undetectable levels of HCV RNA at the end of treatment, while one patient remained positive. Two (14.3%) patients were discontinued because of insufficient therapeutic response. Three patients (21.34%) did not finish treatment because serious adverse events occurred: one patient with bronchopneumonia and one with pericarditis were discontinued from treatment, while one patient died due to cerebral hemorrhage. Sustained viral response was present in 36% of the patients (5/8 patients) at the end of the follow up
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