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Updated: Jul 30, 2026
Next Generation Sequencing for the Detection of Actionable Mutations in Solid and Liquid Tumors
Published on: September 20, 2016
Evaluation of a New Closed-System Automated RT-qPCR Assay for the Rapid Detection and Monitoring of Common
Richard D Press1, Dana Dressel2, Michelle McBean3
1Department of Pathology, Knight Cancer Institute, Oregon Health and Science University, Portland, OR 97239, USA.
Abstract:
Quantitative assessment of nucleophosmin 1 (NPM1) mutation status is integral to evaluating measurable residual disease (MRD) in NPM1-mutated acute myeloid leukemia (AML) patients. In a retrospective study, leftover peripheral blood (PB) specimens (n = 40) which were collected for routine clinical diagnostic evaluations of AML disease burden were tested by both a novel automated RT-qPCR quantitative NPM1 assay (Xpert NPM1 mutation assay) and the NPM1 mutA, mutB&D MutaQuant kit. Based on a Deming regression analysis, there was a high correlation (slope = 0.92; intercept = 0.12; Pearson's r = 0.982) between the quantitative results of the Xpert NPM1 mutation assay and the NPM1 mutA, mutB&D MutaQuant kit. The Xpert test quantitative results are thus highly correlated with the comparator method and the former has potential as a useful alternative for the monitoring of AML patients with a known NPM1 mutation.
