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Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition) ›› 2017, Vol. 11 ›› Issue (02): 134-140. doi: 10.3877/cma.j.issn.1674-1358.2017.02.007

• Clinical Research Article • Previous Articles     Next Articles

Curative effect of ribavirin combined with pegylated (Peg) interferon (IFN) α-2a, PegIFN-α-2b and IFN-α-2b for patients with chronic hepatitis C

Xin Zhang1, Maorong Wang1,(), Zhiguo Yang1, Changlun He1, Yunhua Sui1, Min Shen1, Yan Cheng1, Jing Xu1, Yunfeng Sheng1, Yuan Dong1, Yue Zhang1, Yaofeng Wang1, Jun Shao1, Xin Li1, Xiaofeng Zhang1   

  1. 1. Center for Liver Diseases of PLA, the 81th Hospital Affiliated to Nangjing University of Chinese Medicine, Nanjing 210002, China
  • Received:2016-02-05 Online:2017-04-15 Published:2021-09-08
  • Contact: Maorong Wang

Abstract:

Objective

To investigate the curative effect of ribavirin in combination with pegylated (Peg) interferon (IFN) α-2a, PegIFN-α-2b and IFN-α-2b for patients with chronic hepatitis C (CHC), respectively.

Methods

Total of 278 CHC patients were administered through combined therapy of ribavirin with PegIFN-α-2a, PegIFN-α-2b and IFN-α-2b, respectively. Genotyping and viral load of hepatitis C virus (HCV) , levels of alanine aminotransferase (ALT) and aspartate aminolransferase (AST) of 278 cases were detected at the 4th, 12th, 24th, and 48th week. The correlation between the normalization rates of ALT/AST, virological response, different genotypes or HCV RNA loads with virological response were analyzed, respectively.

Results

The biochemical response showed the normalization rates of liver function significantly different at 24-week follow-up among different treatment groups (χ2 = 23.06, P < 0.001), patients in Peg-IFNα-2a (180 μg) group and Peg-IFNα-2b (80 μg) group were with higher normalization rates (76.7% and 83.0%, respectively). The rapid virological response (RVR), end-of-treatment virological response (ETVR) and sustained virological response (SVR) of patients among different treatment groups were significantly different (χ2 = 9.79, P = 0.04; χ2 = 11.33, P = 0.02; χ2 = 11.99, P = 0.02), patients in PegIFN-α-2a (180 μg) group and PegIFN-α-2b (80 μg) group were with higher levels of the above indicators, which were 62.8%, 88.4%, 64.0% and 64.2%, 83.0%, 65.1%, respectively. In common IFN-α-2 (600 wIU) group, PegIFN-α-2a (180 μg) group and PegIFNα-2b (80 μg) group, there were 13 cases, 54 cases and 68 cases achieved RVR, respectively, while 11 cases (84.6%), 50 cases (92.6%) and 62 cases (91.2%) achieved SVR. Among the 278 patients, 243 cases were HCV 1b genotype, whose RVR, complete early virological response (cEVR) and SVR were higher than those of non-HCV 1b genotype (χ2 = 8.23, P < 0.001; χ2 = 46.26, P = 0.01; χ2 = 10.22, P < 0.001). In common IFNα-2 (600 wIU) group, PegIFN-α-2a (180 μg) group and PegIFN-α-2b (80 μg) group, the condition of SVR of patients with low viral load (HCV RNA < 6.0 log10 copies/ml) were significantly superior than those with high viral load (χ2 = 4.10, P = 0.04; χ2 = 20.89, P < 0.001; χ2 = 19.60, P < 0.001).

Conclusions

Treatment of PegIFN-α combined with ribavirin on patients with CHC is effective. The occurrence of early RVR had predictive effect on SVR. The curative effect for patients with non-HCV 1b genotype and low HCV RNA load showed more effective than patients with HCV 1b genotype and high HCV RNA load.

Key words: Hepatitis C virus, Pegylate interferon, Ribavirin, Effective

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