S. Yokoyama

Safety and efficacy of dual therapy with daclatasvir and asunaprevir for older patients with chronic hepatitis C

M. Imamura, K. Chayama, D. Miki, 2017, Journal of Gastroenterology.

Effect of vitamin D supplementation on pegylated interferon/ribavirin therapy for chronic hepatitis C genotype 1b: a randomized controlled trial

K. Chayama, H. Kohno, Y. Kawakami, 2014, Journal of viral hepatitis.

Effects of ITPA polymorphism on decrease of hemoglobin during simeprevir, peg‐interferon, and ribavirin combination treatment for chronic hepatitis C

M. Imamura, N. Hiraga, K. Chayama, 2016, Hepatology research : the official journal of the Japan Society of Hepatology.

Predictive value of the IFNL4 polymorphism on outcome of telaprevir, peginterferon, and ribavirin therapy for older patients with genotype 1b chronic hepatitis C

M. Imamura, N. Hiraga, K. Chayama, 2014, Journal of Gastroenterology.

Non‐invasive liver fibrosis score calculated by combination of virtual touch tissue quantification and serum liver functional tests in chronic hepatitis C patients

M. Imamura, N. Hiraga, K. Chayama, 2014, Hepatology research : the official journal of the Japan Society of Hepatology.

Letter: pitavastatin supplementation of PEG‐IFN/ribavirin improves sustained virological response against HCV

K. Chayama, Y. Kawakami, S. Yokoyama, 2014, Alimentary pharmacology & therapeutics.

Real‐world efficacy and safety of daclatasvir and asunaprevir therapy for hepatitis C virus‐infected cirrhosis patients

M. Imamura, K. Chayama, D. Miki, 2017, Journal of gastroenterology and hepatology.

Interferon lambda 4 polymorphism affects on outcome of telaprevir, pegylated interferon and ribavirin combination therapy for chronic hepatitis C

M. Imamura, K. Chayama, H. Aikata, 2014, Hepatology research : the official journal of the Japan Society of Hepatology.

Effect of prolonged administration of pegylated interferon/ribavirin therapy in genotypes 2a and 2b: Propensity score‐matched analysis

M. Imamura, K. Chayama, H. Kohno, 2015, Journal of gastroenterology and hepatology.

Effect of vitamin D supplementation on pegylated interferon/ribavirin therapy for chronic hepatitis C genotype 1b: a randomized controlled trial

K. Chayama, Y. Kawakami, M. Nonaka, 2014, Journal of viral hepatitis.