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首页> 外文期刊>Vaccine >Randomized trial of the quantitative and functional antibody responses to a 7-valent pneumococcal conjugate vaccine and/or 23-valent polysaccharide vaccine among HIV-infected adults
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Randomized trial of the quantitative and functional antibody responses to a 7-valent pneumococcal conjugate vaccine and/or 23-valent polysaccharide vaccine among HIV-infected adults

机译:在HIV感染的成年人中对7价肺炎球菌结合疫苗和/或23价多糖疫苗进行定量和功能性抗体反应的随机试验

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摘要

In a double-blinded, randomized trial, human immunodeficiency virus (HIV)-infected adults with greater than or equal to 200 CD4 cells/mul received placebo (PL), 7-valent conjugate. or 23-valent pneumococcal polysaccharide (PS) vaccine in one of the following two-dose combinations given 8 weeks apart: conjugate-conjugate, conjugate-polysaccharide. placebo-polysaccharide, placebo-placebo. A total of 67 persons completed the study. Neither significant increases in HIV viral load nor severe adverse reactions occurred in any group. After controlling for confounders. when compared with persons receiving placebo-polysaccharide, persons receiving conjugate-conjugate and conjugate-polysaccharide had higher antibody concentrations (serotypes 4. 6B, 9V and serotype 23F respectively) and opsonophagocytic titers (functional antibody assay, serotypes 9V, 23F and serotypes 4, 6B, 9V. respectively) after the second dose (P < 0.05). The second dose with either conjugate or polysaccharide following the first conjugate dose, however, produced no further increase in immune responses.
机译:在一项双盲,随机试验中,人类免疫缺陷病毒(HIV)感染的成人中CD4细胞/ mul大于或等于200的成年人接受了安慰剂(PL)7价偶联物。或间隔23周的以下两种剂量组合之一的23价肺炎球菌多糖(PS)疫苗:缀合物-缀合物,缀合物-多糖。安慰剂-多糖,安慰剂-安慰剂。共有67人完成了研究。在任何一组中,HIV病毒载量均未显着增加,也未发生严重的不良反应。后为混杂因素控制。与接受安慰剂-多糖的人相比,接受缀合物-缀合物和缀合物-多糖的人具有更高的抗体浓度(分别为4. 6B,9V和23F血清型)和调理吞噬滴度(功能性抗体检测,9V,23F血清型和4,第二剂之后分别为6B,9V)(P <0.05)。然而,在第一剂量之后,第二剂量的结合物或多糖均未产生免疫应答的进一步增加。

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