Real-World Utilization of Biomarker Testing for Patients with Advanced Non–Small Cell Lung Cancer in a Tertiary Referral Center and Referring Hospitals

Michiel van de Ven, Hendrik Koffijberg, Valesca Retèl, Kim Monkhorst, Egbert Smit, Wim van Harten, Maarten IJzerman*

*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

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Abstract

The continued introduction of biomarkers and innovative testing methods makes already complex diagnosis in patients with stage IV non–small-cell lung cancer (NSCLC) even more complex. This study primarily analyzed variations in biomarker testing in clinical practice in patients referred to a comprehensive cancer center in the Netherlands. The secondary aim was to compare the cost of biomarker testing with the cost of whole-genome sequencing. The cohort included 102 stage IV NSCLC patients who received biomarker testing in 2017 or 2018 at the comprehensive cancer center. The complete biomarker testing history of the cohort was identified using linked data from the comprehensive cancer center and the nationwide network and registry of histopathology and cytopathology in the Netherlands. Unique biomarker-test combinations, costs, turnaround times, and test utilization were examined. The results indicate substantial variation in test utilization and sequences. The mean cost per patient of biomarker testing was 2259.92 ± 1217.10 USD, or 1881.23 ± 1013.15 EUR. Targeted gene panels were most frequently conducted, followed by IHC analysis for programmed cell death protein ligand 1. Typically, the most common biomarkers were assessed within the first tests, and emerging biomarkers were tested further down the test sequence. At the cost of current biomarker testing, replacing current testing with whole-genome sequencing would have led to cost-savings in only two patients (2%).

Original languageEnglish
Pages (from-to)484-494
Number of pages11
JournalJournal of Molecular Diagnostics
Volume23
Issue number4
Early online date21 Jan 2021
DOIs
Publication statusPublished - Apr 2021

Keywords

  • UT-Hybrid-D

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