Non-Small Cell Lung Cancer Testing on Reference Specimens: An Italian Multicenter Experience.
Lung
Molecular pathology
Tumor biomarker
Journal
Oncology and therapy
ISSN: 2366-1089
Titre abrégé: Oncol Ther
Pays: New Zealand
ID NLM: 101677510
Informations de publication
Date de publication:
11 Jan 2024
11 Jan 2024
Historique:
received:
08
09
2023
accepted:
02
11
2023
medline:
11
1
2024
pubmed:
11
1
2024
entrez:
10
1
2024
Statut:
aheadofprint
Résumé
Biomarker testing is mandatory for the clinical management of patients with advanced non-small cell lung cancer (NSCLC). Myriads of technical platforms are now available for biomarker analysis with differences in terms of multiplexing capability, analytical sensitivity, and turnaround time (TAT). We evaluated the technical performance of the diagnostic workflows of 24 representative Italian institutions performing molecular tests on a series of artificial reference specimens built to mimic routine diagnostic samples. Sample sets of eight slides from cell blocks of artificial reference specimens harboring exon 19 EGFR (epidermal growth factor receptor) p.E746_AT50del, exon 2 KRAS (Kirsten rat sarcoma viral oncogene homologue) p.G12C, ROS1 (c-ros oncogene 1)-unknown gene fusion, and MET (MET proto-oncogene, receptor tyrosine kinase) Δ exon 14 skipping were distributed to each participating institution. Two independent cell block specimens were validated by the University of Naples Federico II before shipment. Methodological and molecular data from reference specimens were annotated. Overall, a median DNA concentration of 3.3 ng/µL (range 0.1-10.0 ng/µL) and 13.4 ng/µL (range 2.0-45.8 ng/µL) were obtained with automated and manual technical procedures, respectively. RNA concentrations of 5.7 ng/µL (range 0.2-11.9 ng/µL) and 9.3 ng/µL (range 0.5-18.0 ng/µL) were also detected. KRAS exon 2 p.G12C, EGFR exon 19 p.E736_A750del hotspot mutations, and ROS1 aberrant transcripts were identified in all tested cases, whereas 15 out of 16 (93.7%) centers detected MET exon 14 skipping mutation. Optimized technical workflows are crucial in the decision-making strategy of patients with NSCLC. Artificial reference specimens enable optimization of diagnostic workflows for predictive molecular analysis in routine clinical practice.
Identifiants
pubmed: 38200361
doi: 10.1007/s40487-023-00252-5
pii: 10.1007/s40487-023-00252-5
doi:
Types de publication
Journal Article
Langues
eng
Subventions
Organisme : Regione Campania
ID : Monitoraggio ambientale, studio ed approfondimento della salute della popolazione residente in aree a rischio-In attuazione della D.G.R. Campanian.180/2019
Organisme : Regione Campania
ID : POR Campania FESR 2014-2020 Progetto "Sviluppo di Approcci Terapeutici Innovativi per patologie Neoplastiche resistenti ai trattamenti-SATIN
Organisme : Ministero della Salute
ID : This work has been partly supported by a grant from the Italian Health Ministry's research program (ID: NET-2016-02363853National Center for Gene Therapy and Drugs based on RNA Technology MUR-CN3 CUP E63C22000940007 to DS
Informations de copyright
© 2024. The Author(s).
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