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HBsAg and HBeAg in the prediction of a clinical response to peginterferon α-2b therapy in Chinese HBeAg-positive patients

Overview of attention for article published in Virology Journal, October 2016
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Title
HBsAg and HBeAg in the prediction of a clinical response to peginterferon α-2b therapy in Chinese HBeAg-positive patients
Published in
Virology Journal, October 2016
DOI 10.1186/s12985-016-0640-1
Pubmed ID
Authors

Song Yang, Huichun Xing, Yuming Wang, Jinlin Hou, Duande Luo, Qing Xie, Qin Ning, Hong Ren, Huiguo Ding, Jifang Sheng, Lai Wei, Shijun Chen, Xiaoling Fan, Wenxiang Huang, Chen Pan, Zhiliang Gao, Jiming Zhang, Boping Zhou, Guofeng Chen, Mobin Wan, Hong Tang, Guiqiang Wang, Yuxiu Yang, Dongping Xu, Peiling Dong, Qixin Wang, Jue Wang, Fernando A. Bognar, Daozhen Xu, Jun Cheng

Abstract

This study aimed to evaluate the predictive values of hepatitis B e antigen (HBeAg) and hepatitis B surface antigen (HBsAg) levels in 171 Chinese patients with chronic hepatitis B who received a 48-week course of pegylated interferon alfa-2b therapy at 1.5 mcg/kg. HBsAg, HBeAg, and hepatitis B virus (HBV) DNA levels were measured at baseline and weeks 12, 24, 48, and 72. Clinical responses were defined as a combined response (CR, HBeAg seroconversion [sustained response, SR] combined with HBV DNA level <2,000 IU/mL at week 72). The positive predictive value and negative predictive value were calculated for HBsAg alone and/or combined with HBeAg and HBV DNA at weeks 12 and 24. Of 171 patients included, 58 (33.9 %) achieved a SR. Of patients who achieved a SR, 33 (56.9 %) achieved a CR. Totally 19.3 % (33/171) patients achieved CR and 80.7 % (138/171) patients did not. Patients with HBsAg <1500 IU/mL at week 12 had a 47.4 % chance of achieving an off-treatment SR and patients with a HBsAg decrease >1.5 logIU/mL at week 12 had a 54.5 % chance. Patients with HBsAg >20,000 IU/mL at weeks 12 and 24 had a 93.8 and 100.0 % chance, respectively, of not achieving a CR. An HBsAg level or changes at weeks 12 and 24, combined with HBeAg or HBV DNA, increased the chance for a SR and CR. On-treatment HBsAg quantification, alone or in combination with HBeAg or HBV DNA, predicted off-treatment SR and CR after 48 weeks of PEG-IFNα-2b therapy, and thus, may guide clinicians in making a therapeutic decision to continue or terminate the therapy.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 39 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 39 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 7 18%
Student > Postgraduate 4 10%
Student > Master 4 10%
Student > Bachelor 3 8%
Student > Ph. D. Student 3 8%
Other 7 18%
Unknown 11 28%
Readers by discipline Count As %
Medicine and Dentistry 10 26%
Nursing and Health Professions 5 13%
Agricultural and Biological Sciences 2 5%
Social Sciences 2 5%
Immunology and Microbiology 1 3%
Other 3 8%
Unknown 16 41%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 29 October 2016.
All research outputs
#14,740,014
of 22,896,955 outputs
Outputs from Virology Journal
#1,785
of 3,052 outputs
Outputs of similar age
#185,695
of 313,742 outputs
Outputs of similar age from Virology Journal
#20
of 44 outputs
Altmetric has tracked 22,896,955 research outputs across all sources so far. This one is in the 35th percentile – i.e., 35% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,052 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 25.7. This one is in the 40th percentile – i.e., 40% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 313,742 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 44 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 54% of its contemporaries.