Human immunodeficiency virus type 1 quantitative cell microculture as a measure of antiviral efficacy in a multicenter clinical trial.

Human immunodeficiency virus type 1 quantitative cell microculture as a measure of antiviral efficacy in a multicenter clinical trial.
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人类免疫缺陷病毒 1 型定量细胞微培养作为多中心临床试验中抗病毒功效的衡量标准。

DOI:
10.1093/infdis/171.2.305
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发表时间:
1995
期刊:
The Journal of infectious diseases
影响因子:
--
通讯作者:
Coombs,RW
Coombs,RW
中科院分区:
--
文献类型:
--
作者:
Fiscus,SA;DeGruttola,V;Gupta,P;Katzenstein,DA;Meyer3rd,WA;LoFaro,ML;Katzman,M;Ragni,MV;Reichelderfer,PS;Coombs,RW

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使用定量细胞微量培养测定 (QMC) 测量 109 名受试者的人类免疫缺陷病毒 1 型 (HIV-1) 外周血单核细胞 (PBMC) 相关滴度,这些受试者参加了去羟肌苷单药治疗或齐多夫定联合治疗的开放标签 I/II 期研究,滴度与基线时的 CO4+ 细胞计数呈负相关 (r= .37,P= .001)。治疗 12 周后,受试者的病毒滴度显着下降,而基线病毒滴度最高的受试者的 C04+ 细胞数量增加最多 (r= .430,P= .002)。 QMC 检测在评估治疗的抗逆转录病毒效果方面比免疫复合物解离的 HIV p24 抗原 (32%) 或血浆培养 (3.4%) 更敏感 (98%)。 I/II 期临床试验的估计样本量是使用每 106PMBC 0.72 log10 感染单位的受试者内 QMC SO 得出的。
A Quantitative cell microculture assay (QMC) was used to measure the human immunodeficiency virus type 1 (HIV-1) peripheral blood mononuclear cell (PBMC)-associated titer in 109 subjects enrolled in an open-label phase I/II study of didanosine monotherapy or combination therapy with zidovudine, The titer was inversely correlated with C04+cell count at baseline (r= .37,P= .001). After 12 weeks of therapy, subjects showed a significant decreases in virus titer and those with the highest baseline virus titers had the greatest increase in C04+cell number (r= .430,P= .002). The QMC assay was more sensitive (98%) for assessing the antiretroviral effect of therapy than was immune complex-dissociated HIV p24 antigen (32%) or plasma culture (3.4%). Estimated sample sizes for phase I/II clinical trials were derived using the within-subject QMC SO of .72 log10infectious units per 106PMBC.
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