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Efficacy and Safety of Glecaprevir/Pibrentasvir in Combination Therapy in Chronic Hemodialysis Patients with Genotype 2 Hepatitis C Virus Infection

Background: Glecaprevir (nonstructural protein 3/4A protease inhibitor) and Pibrentasvir (nonstructural protein 5A inhibitor) (G/P), a coformulated once-daily, all oral, ribavirin (RBV)-free, direct-antiviral regimen, was evaluated for safety and efficacy in chronic hemodialysis patients with genotype 2 hepatitis C virus infection. Methods: In this prospective, observational, single-center study at Masuko Memorial Hospital, between November 2017 and December 2018, a total of 8 HD patients with an HCV infection genotype 2 received G/P combination therapy. Age was an average of 67.1 (61 - 75) years and there were four men and two women. It was FIB4 INDX an average of 2.67 (1.5 - 3.34) before the start of therapy. It was quantity of HCV RNA an average of 4.43 (2.1 - 6.5). HCV RNA levels were measured by real-time RCR-based method (COBAS AmpiPrep/COBAS TaqMan HCV Test. 4 cases 12 weeks were 2 cases eight weeks for dosing period. Patients were excluded if they had evidence of hepatocellular carcinoma. This study was approved by the ethics committee of our hospital, while we obtained written consent from the participants after providing a thorough explanation of the contents and methods of this study. Results: 6 patients were available for total dose internal use. As for the HCV RNA of the fourth week, (100%) HCV RNA became negative after administration start of therapy. Rapid virologic response (RVR) achieved all cases. 5 patients achieved 12-week sustained virologic response (SVR12) and were following up the 1 patient. The itching appeared in two cases (33%), but there was symptom improvement in nalfurafine hydrochloride use treatment, and treatment continuation was possible. Conclusion: It is thought that G/P can be given to the HD patients’ safety, but we will accumulate a case in future, and it is thought to be necessary to examine utility and safety.