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Sci Rep. 2016 Jul 1;6:28779. doi: 10.1038/srep28779.
A five years study of antiviral effect of entecavir in Chinese chronic hepatitis B patients.Liu K1, Xiang X1, Bao R2, Chen R1, Liu Y1, Xie J1, Guo Q1, Bao S3, Xie Q1, Wang H1.
Author information
- 1Department of Infectious Diseases, Ruijin Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
- 2Discipline of Anatomy and Histology, School of Medical Sciences and The Bosch Institute, The University of Sydney, Sydney, NSW 2006, Australia.
- 3Discipline of Pathology, School of Medical Sciences and The Bosch Institute, The University of Sydney, Sydney, NSW 2006, Australia.
AbstractEntecavir (ETV) is a potent viral replication inhibitor for chronic hepatitis B (CHB) patients. To investigate the efficacy of ETV in Chinese nucleos(t)ide(NA)-experienced CHB patients. Among 89 CHB patients with ETV monotherapy for ≥6 months, 33/89 (37%) or 56/89 (73%) were NA-naïve or NA-experienced. During a median follow-up of 5.75 years, all NA-naïve CHB patients achieved VR without genotypic ETV-resistance. However, VR was observed in 50/56 (~90%) of NA-experienced CHB patients during a median follow-up of 4.75 years. Antiviral efficacy was not reduced in patients with previous lamivudine (LAM) with/without LAM-resistance (HR 0.465; 95% CI 0.196-1.100; p > 0.05) (HR 0.472; 95% CI 0.205-1.091; p > 0.05). Patients with a primary treatment failure to adefovir (ADV) had a reduced probability of achieving VR compared to NA-naïve (HR 0.496; 95% CI 0.287-0.857; p < 0.01). Previous ADV-experienced patients with a partial VR (HR 1.253; 95% CI 0.429-3.665; p > 0.05) did not influence antiviral response to ETV. The antiviral efficacy of ETV is not influenced by previous treatment LAM with/without LAM-resistance. ETV may still be an option in ADV-experienced patients with a partial VR, but not advised in patients with a primary treatment failure to ADV.
PMID:27364728DOI:10.1038/srep28779
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