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Comparative immunogenicity of a PreS/S hepatitis B vaccine in non- and low responders to conventional vaccine

机译:PreS / S乙型肝炎疫苗在对常规疫苗的非应答和低应答者中的比较免疫原性

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摘要

Conventional hepatitis B vaccines do not elicit adequate antibody production in 5-10% vaccinees. This trial tests the ability of a third-generation vaccine, containing PreS1 and PreS2 antigens in addition to the S antigen, to elicit seroprotective titres in documented non- and low-responders, compared with those to a conventional vaccine. In the primary population of non-responders (<10IU/l anti-HBs antibodies after >/=4 previous injections of conventional vaccine) an enhanced antibody response was seen to additional injections of the third-generation vaccine compared with a conventional vaccine (absolute difference 14.9%; P=0.006). Enhanced antibody responses were also found in a population that included low responders.
机译:常规的乙型肝炎疫苗不能在5-10%的疫苗中产生足够的抗体。与传统疫苗相比,该试验测试了除S抗原外还包含PreS1和PreS2抗原的第三代疫苗引起已记录的无反应者和低反应者血清保护性滴度的能力。在无反应的主要人群中(先前注射常规疫苗> / = 4后,<10IU / l抗-HBs抗体),与常规疫苗相比,第三代疫苗的补充注射抗体反应增强(绝对差异14.9%; P = 0.006)。在包括低应答者的人群中也发现了增强的抗体应答。

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