Resources / Improving PD-L1 quality control using a dynamic rangecell line and Qualitopix analysis
Improving PD-L1 quality control using a dynamic range cell line and Qualitopix analysis
Originally presented at ECP 2023

Immunohistochemistry (IHC) with PD-L1 is in use to predict ICI response in NSCLC patients. Inter-observer, inter- and intra-laboratory variability is, however, a known issue. In predictive IHC and to a lesser extent in panel based prognostic IHC, quality assurance principles and methods are becoming more relevant for optimal scoring. To improve scoring of PD-L1, artificial intelligence (AI) might be the way forward. Before AI can be used for daily practice, however, laboratories need to make sure that their IHC is a consistent assay instead of a routine stain.

Authors and institutions

Nils ‘t Hart1, Lars Gal1, Morten Grønning Nielsen2 and Mateusz Tylicki2

  1. Isala, Zwolle, The Netherlands
  2. Visiopharm, Hørsholm, Denmark
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