Analytical and clinical performance of cPass neutralizing antibodies assay.

Analytical and clinical performance of cPass neutralizing antibodies assay.
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DOI:
10.1016/j.clinbiochem.2021.09.008
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发表时间:
2021-12
影响因子:
2.8
通讯作者:
Devaraj S
Devaraj S
中科院分区:
医学3区
文献类型:
--
作者:
Jung J;Rajapakshe D;Julien C;Devaraj S

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SARS-CoV-2 血清学检测是疾病控制策略的重要组成部分。临床诊断中使用的 SARS-CoV-2 血清学检测不应准确评估抗体的总水平,而应与中和抗体滴度密切相关。然而,只有有限的数据报告中和抗体测定与临床实验室广泛使用的商业高通量血清学测定的相关性。我们对金斯瑞 cPass 中和抗体检测分析进行了评估,以评估其在常规临床使用中测量 2019 年冠状病毒病 (COVID-19) 康复者或已接种疫苗的患者中和滴度的价值。我们根据常用的 Ortho Vitros IgG 检测测试了其临床性能。我们的综合数据显示,金斯瑞 cPass 中和抗体检测具有令人满意的分析和临床性能,并且与 Ortho Vitros IgG 具有良好的相关性,支持其用作对康复或接种疫苗的个体进行准确 SARS-COV-2 免疫监测的工具。
Serological tests for SARS-CoV-2 are a critical component of disease control strategies. SARS-CoV-2 serology tests used in clinical diagnostic should not accurately evaluate total levels the antibodies but also closely correlate with neutralizing antibodies titers. However, only limited data is available reporting correlation of neutralization antibody assays with commercial high-throughput serological assays widely used in clinical laboratories. We performed evaluation of the GenScript cPass neutralizing antibody detection assay, to assess its value for routine clinical use to measure neutralizing titers in patients who recovered from coronavirus disease 2019 (COVID-19) or have been vaccinated. We tested its clinical performance against the commonly used Ortho Vitros IgG assay. Our combined data shows that GenScript cPass neutralizing antibody assay has satisfactory analytical and clinical performance and good correlation with Ortho Vitros IgG, supporting its use as a tool for accurate SARS-COV-2 immune surveillance of recovered or vaccinated individuals.
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