Abstract: Objective To investigate the clinical efficacy and safety of direct-acting antiviral agents (DAAs)
in patients with chronic hepatitis C virus (HCV) infection in China. Methods The clinical characteristics
and treatment protocols of patients with chronic hepatitis C and HCV-related liver cirrhosis in Beijing Ditan
Hospital, Capital Medical University from January 2015 to January 2016 were analyzed by descriptive method.
HCV RNA, liver function, safety and adverse reactions were observed during the treatment. Results Total of
64 cases were enrolled in this study. The average age was (51.91 ± 11.32) years. Total of 41 patients were with
chronic hepatitis C and 23 patients were with HCV-related liver cirrhosis (11 cases were with decompensated
cirrhosis). Total of 28 patients were initially treated while 36 patients were treated with interferon previously.
HCV RNA load ranged from 1.63 × 10 3 IU/ml to 2.72 × 10 7 IU/ml. Total of 46 cases were genotype 1b, 14 cases
were genotype 2a, 2 cases were genotype 3a and 2 cases were genotype 3b. All patients were treated with DAAs,
of whom 17 cases were treated with sofosbuvir + daclatasvir + ribavirin (RBV), 10 cases were treated with
sofosbuvir + daclatasvir, 15 cases were treated with sofosbuvir + ledipasvir + RBV, 11 cases were treated with
sofosbuvir + ledipasvir, 9 cases were treated with sofosbuvir + RBV and 2 cases were treated with sofosbuvir +
pegylated interferon (PegIFN) + RBV. Total of 63 patients completed the treatment and followed for 24 weeks
after drug withdrawal while one case was died of gastrointestinal bleeding during the treatment. All patients
achieved rapid virological response (RVR) and end treatment virological response (ETVR), and 62 patients
achieved sustained virologic response (SVR). Aftrer treatment, the levels of ALT, AST and alphafetoprotein (AFP)
decreased significantly (z = -6.10, P < 0.001; z = -6.15, P < 0.001; z = -3.18, P = 0.001) while albumin (ALB)
and cholinesterase (CHE) increased significantly (t = -2.75, P = 0.008; t = -3.20, P = 0.002). No obvious change
of renal function was found. Only slight adverse reactions were observed during treatment. These discomforts
were transient and alleviate by themselves, which did not affect the treatment. Conclusions DAAs are effective
and safe in treatment of patients with chronic hepatitis C and HCV-related liver cirrhosis in China. For
decompensated HCV-related liver cirrhosis patients, the long-term therapeutic efficacy needs furtherly evaluated.
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