Informe breveSensibilidad del equipo Cobas AmpliScreen™ HIV-1 Test, v1.5, para la detección de HIV-1Sensitivity of the COBAS AmpliScreen™ HIV-1 Test v1.5 for HIV-1 detection
2014
The introduction of nucleic acid amplification techniques (NAT) in blood banks was intended to reduce the residual risk of transfusion-transmitted infections. Co-circulation of a great diversity of HIV-1 variants in Argentina portrays the need to assess the sensitivity of serological and molecular assays available for their detection. In this study, we evaluated the sensitivity of the COBAS AmpliScreen™ HIV-1 Test, version 1.5 (Roche) for the detection of HIV-1 RNA in plasma samples of infected individuals from Argentina. The results of this study reveal that this technique has high sensitivity for the detection of HIV-1 RNA under assay conditions: using mini-pool testing, pools ≥ 50 RNA copies per ml achieved ≥ 92 % sensitivity, whereas in the standard procedure, samples ≥ 207 RNA copies/ml achieved 100 % sensitivity. Moreover, the COBAS AmpliScreen™ HIV-1 Test, version 1.5 (Roche) is suitable for detecting prevailing HIV-1 variants.
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