1. Naggie S, Muir AJ. Oral combination therapies for hepatitis C virus infection: successes, challenges, and unmet needs. Annu Rev Med. 2017; 68:345–358.
2. Sarrazin C. The importance of resistance to direct antiviral drugs in HCV infection in clinical practice. J Hepatol. 2016; 64:486–504.
3. Lawitz E, Freilich B, Link J, et al. A phase 1, randomized, dose-ranging study of GS-5816, a once-daily NS5A inhibitor, in patients with genotype 1-4 hepatitis C virus. J Viral Hepat. 2015; 22:1011–1019.
4. Feld JJ, Jacobson IM, Hézode C, et al. Sofosbuvir and velpatasvir for HCV genotype 1, 2, 4, 5, and 6 infection. N Engl J Med. 2015; 373:2599–2607.
5. Foster GR, Afdhal N, Roberts SK, et al. Sofosbuvir and velpatasvir for HCV genotype 2 and 3 infection. N Engl J Med. 2015; 373:2608–2617.
6. Taylor JG, Appleby T, Barauskas O, et al. P0899: Preclinical profile of the pan-genotypic HCV NS3/4A protease inhibitor GS-9857. J Hepatol. 2015; 62:Suppl 2. S681.
7. Kirby B, Yang J, Yang C, et al. P0861: Evaluation of the pan-genotypic HCV NS3/4A protease inhibitor GS-9857 in healthy volunteers. J Hepatol. 2015; 62:Suppl 2. S663.
8. Rodriguez-Torres M, Glass S, Hill J, et al. GS-9857 in patients with chronic hepatitis C virus genotype 1-4 infection: a randomized, double-blind, dose-ranging phase 1 study. J Viral Hepat. 2016; 23:614–622.
9. Gane EJ, Schwabe C, Hyland RH, et al. Efficacy of the combination of sofosbuvir, velpatasvir, and the NS3/4A protease inhibitor GS-9857 in treatment-naive or previously treated patients with hepatitis C virus genotype 1 or 3 infections. Gastroenterology. 2016; 151:448–456.e1.
10. Lawitz E, Reau N, Hinestrosa F, et al. Efficacy of sofosbuvir, velpatasvir, and GS-9857 in patients with genotype 1 hepatitis C virus infection in an open-label, phase 2 trial. Gastroenterology. 2016; 151:893–901.e1.
11. Gane EJ, Kowdley KV, Pound D, et al. Efficacy of sofosbuvir, velpatasvir, and GS-9857 in patients with hepatitis C virus genotype 2, 3, 4, or 6 infections in an open-label, phase 2 trial. Gastroenterology. 2016; 151:902–909.
12. Aghemo A, Buti M. Hepatitis C therapy: game over! Gastroenterology. 2016; 151:795–798.
13. Kim YS. Updated treatment of chronic hepatitis C. Korean J Med. 2017; 92:24–35.
15. Rosen HR. “Hep C, where art thou”: what are the remaining (fundable) questions in hepatitis C virus research. Hepatology. 2017; 65:341–349.
16. Korean Association for the Study of the Liver. KASL clinical practice guidelines: management of hepatitis C. Clin Mol Hepatol. 2016; 22:76–139.
17. Buti M, Esteban R. Management of direct antiviral agent failures. Clin Mol Hepatol. 2016; 22:432–438.
18. Lawitz E, Poordad F, Wells J, et al. Sofosbuvir-velpatasvir-voxilaprevir with or without ribavirin in direct-acting antiviral-experienced patients with genotype 1 hepatitis C virus. Hepatology. 2017; 65:1803–1809.
19. Esposito I, Trinks J, Soriano V. Hepatitis C virus resistance to the new direct-acting antivirals. Expert Opin Drug Metab Toxicol. 2016; 12:1197–1209.