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  • Title: Evaluation of the NucliSens EasyQ HIV-1 v1.1 and RealTime HIV-1 kits for quantitation of HIV-1 RNA in plasma.
    Author: Choi JY, Kim EJ, Rho HJ, Kim JY, Kwon OK, Lee JH, Koo MJ, Kim SS.
    Journal: J Virol Methods; 2009 Oct; 161(1):7-11. PubMed ID: 19576640.
    Abstract:
    Human immunodeficiency virus type-1 (HIV-1) RNA viral load is an important biomarker to evaluate the therapeutic efficacy of antiretroviral drugs and to monitor disease progression in HIV-infected individuals. We compared HIV-1 RNA quantitation between two different kits, the NucliSens EasyQ HIV-1 v1.1 (EasyQ, bioMérieux) and RealTime HIV-1 (RealTime, Abbott), using HIV-1 RNA quality control (QC) materials, cell-cultivated viruses, and the plasma samples of 104 patients with HIV. Correlation between the two kits for HIV RNA-1 quantitation with clinical samples was high (R=0.91). Based on results obtained with quality control standards, the reproducibility of the RealTime kit was higher than the EasyQ kit: the viral load value and coefficient of variation of each kit was 4.11+/-0.136 and 3.3% for EasyQ and 3.55+/-0.042 and 1.2% for RealTime, respectively (P<0.002). This is the first comparative analysis of the detection limit and reproducibility of two different quantitation kits using clinical plasma samples from Korean HIV-1-infected patients. It will serve a useful reference to determine correction values for each HIV-1 RNA quantitation kits and to choose an appropriate assay kit for each laboratory.
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