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Medicina (Buenos Aires)
versão impressa ISSN 0025-7680versão On-line ISSN 1669-9106
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LARRIPA, Irene; RUIZ, María Sol; GUTIERREZ, Marina e BIANCHINI, Michele. Recomendaciones metodológicas para el monitoreo molecular BCR-ABL1 en pacientes con leucemia mieloide crónica por pcr cuantitativa en tiempo real. Medicina (B. Aires) [online]. 2017, vol.77, n.1, pp.61-72. ISSN 0025-7680.
Current clinical guidelines for managing chronic myeloid leukemia include molecular monitoring of BCR-ABL1 transcript quantitative reverse-transcription PCR. Despite the proven prognostic significance of molecular response, it is not widely appreciated that quantitative reverse-transcription PCR potentially produces highly variable data, which may affect the validity of results, making comparability between different laboratories difficult. Therefore, standardized reporting of BCR-ABL1 measurements is needed for optimal clinical management. An approach to achieve comparable BCR-ABL1 values is the use of an international reporting scale. Conversion to the international scale is achieved by the application of laboratory specific conversion factor that is obtained by using validated secondary reference calibrators. Moreover, with the aim to mitigate the interlaboratory imprecision of quantitative BCR-ABL1 measurements and to facilitate local laboratory results interpretation and reporting, we decide to prepare laboratory guidelines that will further facilitate interlaboratory comparative studies and independent quality-assessment programs, which are of paramount importance for worldwide standardization of BCR-ABL1 monitoring results, in particular for those most isolated laboratories, with not easy access to commercial kits or sample interchange programs.
Palavras-chave : Chronic myeloid leukemia; Molecular monitoring; Standardization.