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Chinese Journal of Experimental and Clinical Infectious Diseases(Electronic Edition) ›› 2018, Vol. 12 ›› Issue (01): 51-55. doi: 10.3877/cma.j.issn.1674-1358.2018.01.010

Special Issue:

• Clinical Research Article • Previous Articles     Next Articles

Efficacy and safety on blocking HBV vertical transmission by oral tenofovir disoproxil treatment in middle-late pregnancy

Haibin Wang1, Hui Li1,(), Xiaodong Yang1, Ming Gong1, Siyuan Gao1, Fangrong Zhang1, Jia Xia1   

  1. 1. The Second Division of Liver Diseases, The Third People’s Hospital of Kunming, Kunming 650200, China
  • Received:2017-03-05 Online:2018-02-15 Published:2018-02-15
  • Contact: Hui Li
  • About author:
    Corresponding author: Li Hui, Email:

Abstract:

Objective

To investigate the efficacy and safety of oral tenofovir disoproxil (TDF) in pregnant women with HBV infection.

Methods

Total of 100 cases were collected from pregnant women who had refused termination of pregnancy and received TDF antivirus treatment, including 20 cases in each of the five treatment groups who started to receive TDF antivirus treatment at the 20th, 24th, 28th, 32nd and 36th weeks of pregnancy, respectively. A control group of 20 patients with HBV infection were included from pregnant women who refused TDF antiviral treatment.

Results

The level of HBV DNA in the treatment group was significantly lower thanthat in the control group (t =-8.737, P < 0.001). There was no significant difference in HBV DNA levels at the 24 th and 28th weeks before delivery (t =-0.911, P = 0.368). The positive rate of HBsAg and HBV DNA was 0% in 48 weeks after birth. No adverse drug reactions were found in pregnant women in the treatment group, and there were no birth defects and related complications.

Conclusions

Oral TDF antiviral therapy before 28 weeks of pregnancy could effectively and safely block the vertical transmission of HBV.

Key words: Tenofovir disoproxil, Hepatitis B virus, Mother-to-child vertical transmission, Security

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