• Jyh-Jou Chen, Yen-Cheng Chiu, Pei-Lun Lee, Hung-Da Tung, Hung-Chih Chiu, Shih-Chieh Chien, and Pin-Nan Cheng.
• Division of Gastroenterology and Hepatology, Department of Internal Medicine, Chi-Mei Medical Center, Liouying, Tainan, Taiwan.
• J Formos Med Assoc. 2022 Nov 1; 121 (11): 2265-2272.

BackgroundHepatitis C virus (HCV) genotype 6 mainly distributes in Southeast Asia and South China. Because of the low prevalence in developed countries, optimal treatment for HCV genotype 6 in real-world setting remains to be determined. We aimed to evaluate the effectiveness and safety of sofosbuvir/velpatasvir (SOF/VEL) and glecaprevir/pibrentasvir (GLE/PIB) for patients with HCV genotype 6 infection in Taiwan.MethodsA total of 286 patients with chronic hepatitis C (CHC) genotype 6, 161 receiving 12-week SOF/VEL and 125 receiving 8-week GLE/PIB, were enrolled. All patients were followed up for 12 weeks after treatment completion. Demographic information, HCV viral load (VL), profiles of lipid and sugar, and adverse events were recorded and reviewed.ResultsSustained virological response (SVR) rates of SOF/VEL and GLE/PIB evaluated by intention-to-treat analysis were 99.38% and 100%, respectively. SVR achieved 100%, regardless of cirrhosis or viral load (cutoff: 6 MIU/mL), of both regimens by per-protocol analysis. Skin itching was the most common adverse event, with an overall incidence of 6.64% which was more prevalent in GLE/PIB (12.0%) than SOF/VEL (2.48%). A significant decrease in the estimated glomerular filtration rate was observed in patients receiving SOF/VEL but not in those receiving GLE/PIB at the time of SVR. No patient discontinued treatment due to adverse event.ConclusionThe high SVR and excellent safety of SOF/VEL and GLE/PIB in real-world setting reveals that the two DAA regimens are favorable options for treatment of HCV genotype 6 in Taiwan and Asia.Copyright © 2022 Formosan Medical Association. Published by Elsevier B.V. All rights reserved.

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