Abstract
BackgroundAdenovirus infections constitute an important cause of morbidity and mortality after hematopoietic stem cell transplantation. Detection and monitoring of adenovirus in EDTA-plasma by real-time quantitative PCR is a sensitive tool for identification and management of patients at risk of a potentially fatal infection. ObjectivesThe aim of this study was to evaluate the analytical and clinical performance of the quantitative Adenovirus ELITe MGB® Kit (ELITechGroup S.p.A.) using the ELITe BeGenius® (ELITechGroup S.p.A.) system and compare the assay to a laboratory-developed quantitative real-time PCR assay. Study designAnalytical sensitivity of the Adenovirus ELITe MGB® Kit was determined by testing serial dilutions of the WHO standard. Detection of adenovirus serotypes was assessed using a panel of 51 serotypes. Clinical sensitivity and specificity were determined by comparing the Adenovirus ELITe MGB® Kit results with the laboratory-developed assay results of 155 retrospective and prospective EDTA-plasma samples from transplant recipients. ResultsThe analytical sensitivity of the Adenovirus ELITe MGB® Kit was at least 54 (1.7 Log) IU/mL and the quantitative results showed a high correlation with the WHO standard (R2 = 0.9978; Pearson) within the range of 1.7 to 6.6 Log IU/mL. All 51 adenovirus serotypes were detected. The clinical specificity and sensitivity for EDTA plasma of the Adenovirus ELITe MGB® Kit were 97.4 % and 99.1 % respectively. ConclusionThe Adenovirus ELITe MGB® Kit performed on the ELITe BeGenius® system is a highly sensitive and specific assay for the detection of adenovirus in EDTA-plasma from transplantation patients.
Published Version
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