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pegintf hbsag clearance with hbvdna und hbeag neg 31.3%
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pegintf hbsag clearance with hbvdna und hbeag neg 31.3%

i am sure guidelines have not been changed despite we have evidence since 2011 and patients with hbvdna und are not treated by pegintf

http://www1.easl.eu/easl2011/program/Posters/Abstract634.htm

HIGH RATES OF HBSAG SEROCONVERSION AFTER TREATMENT WITH INTERFERON ALFA IN CHRONIC HEPATITIS B VIRUS-INFECTED PATIENTS WITH UNDETECTABLE HBV DNA

H.B. Yu1*, Z.H. Cao1, Y.H. Zhang1, L.N. Ma1, B. Ma1, Y.L. Liu1, Y. Jin1, X.D. Zhang1, H. Wu2, X.Y. Chen1
1International Medical Department, 2Department of Infectious Diseases, Beijing You'an Hospital,Capital University of Medical, Beijing, China. ****@****


Background and aims: The patients infected by hepatitis B virus with undetectable HBV DNA, HBeAg negative/anti-HBe positive are not recommended to receive antiviral therapy currently. However, HBsAg seroconversion is considered the closest outcome to clinical cure and associated with the good long-term prognosis in chronic hepatitis B (CHB). The immune characteristics of B cells and their clinical implication during this treatment in those patients remain unclear. The aim of this study is to investigate the efficacy of antiviral therapy and immune characteristics of B cells in those patients .
Methods: Patients with undetectable HBV DNA, HBeAg negative/anti-HBe positive and HBsAg positive were enrolled, and treated with interferon (peginterferon alfa-2a 135µg/week (n=53) or 180µg/week (n=14) or peginterferon alfa-2b 100µg/week (n=16)). When HBsAg titer300 IU/L) was set to the terminal of the therapy .Flow cytometric was performed to analyze the peripheral total B cell percentages in 3 patients who achieved HBsAg seroconversion and 2 HBsAg-vaccinated healthy controls.
Results: Of the 83 patients received interferon treatment, 26 (31.3%) achieved HBsAg clearance(n=1) and seroconversion(n=25). HBsAg seroconversion occurred after a median of 30 weeks after the treatment (range: 12-132 weeks). Eight patients had completed treatment and were followed for a median of 30 weeks post-treatment (range: 24-60 weeks). All of them sustained HBsAg seroconversion (mean anti-HBs 473.1±298.7 IU/L) during the post-treatment following up. 18 patients are still undergoing treatment (mean anti-HBs 411.2±461.7 IU/L ). The data (3 patients achieving HBsAg seroconversion and 2 HBsAg-vaccinated healthy individuals) indicated that circulating B cell percentages were close to healthy controls at baseline(range:5-7%)and were increased after the HBsAg clearance(range:16-19%).
Conclusions: Patients whose HBV DNA are undetectable in plasma, HBeAg negative/anti-HBe positive and HBsAg positive should be treated, because they can achieve high rates of HBsAg seroconversion. B cells may play an important role in HBsAg clearance /seroconversion.
Financial support: National S&T Major Project for infectious diseases Control (2008ZX10002-013;2008ZX10002-004);863 project (2006AA02A410)
3 Comments Post a Comment
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Avatar_m_tn
i will take this to my doctor and tell him give me the peg!!!
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Avatar_m_tn
i have read to you .. may be one or two years ago .. that there is a new type of interferon .. Interferon Lambda .. which has no side effects like the current interferon which is flu-like symptoms or tiredness ..

can you focus little about new lambda interferon? how many injection per week? .. is it same course "48 weeks"? .. is it more effective?
when will it be on market?

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Avatar_m_tn
not available yet and not so much more powerful
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