High‐sensitivity flow cytometric assays: Considerations for design control and analytical validation for identification of Rare events

The current consensus recommendation papers dealing with the unique requirements for the analytical validation of assays performed by flow cytometry address the validation of sensitivity (both analytical and functional) only in general terms. In this paper, a detailed approach for designing and vali...

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Bibliographic Details
Published in:Cytometry. Part B, Clinical cytometry Clinical cytometry, 2021-01, Vol.100 (1), p.42-51
Main Authors: Sommer, Ulrike, Eck, Steven, Marszalek, Laura, Stewart, Jennifer J., Bradford, Jolene, McCloskey, Thomas W., Green, Cherie, Vitaliti, Alessandra, Oldaker, Teri, Litwin, Virginia
Format: Article
Language:English
Subjects:
Assaying
Best practice
design control
Design optimization
Equipment Design
Flow cytometry
Flow Cytometry - instrumentation
flow cytometry validation
high‐sensitivity flow cytometric assay
Humans
LLOQ
Mathematical analysis
rare events
Sensitivity analysis
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Summary:The current consensus recommendation papers dealing with the unique requirements for the analytical validation of assays performed by flow cytometry address the validation of sensitivity (both analytical and functional) only in general terms. In this paper, a detailed approach for designing and validating the sensitivity of rare event methods is described. The impact of panel design and optimization on the lower limit of quantification (LLOQ) and suggestions for reporting data near, or below, the LLOQ are addressed. This paper serves to provide best practices for the development, optimization, and analytical validation of flow cytometric assays designed to assess rare events. Note that this paper does not discuss clinical sensitivity validation, which addresses the positive and negative predictive value of the test result.
ISSN:1552-4949
1552-4957
DOI:10.1002/cyto.b.21949