Multicenter evaluation of an automated, multiplex, RNA-based molecular assay for detection of ALK, ROS1, RET fusions and MET exon 14 skipping in NSCLC.
Virchows Arch
; 484(4): 677-686, 2024 Apr.
Article
em En
| MEDLINE
| ID: mdl-38492039
ABSTRACT
The current study assessed the performance of the fully automated RT-PCR-based Idylla™ GeneFusion Assay, which simultaneously covers the advanced non-small cell lung carcinoma (aNSCLC) actionable ALK, ROS1, RET, and MET exon 14 rearrangements, in a routine clinical setting involving 12 European clinical centers. The Idylla™ GeneFusion Assay detects fusions using fusion-specific as well as expression imbalance detection, the latter enabling detection of uncommon fusions not covered by fusion-specific assays. In total, 326 archival aNSCLC formalin-fixed paraffin-embedded (FFPE) samples were included of which 44% were resected specimen, 46% tissue biopsies, and 9% cytological specimen. With a total of 179 biomarker-positive cases (i.e., 85 ALK, 33 ROS1, 20 RET fusions and 41 MET exon 14 skipping), this is one of the largest fusion-positive datasets ever tested. The results of the Idylla™ GeneFusion Assay were compared with earlier results of routine reference technologies including fluorescence in situ hybridization, immunohistochemistry, reverse-transcription polymerase chain reaction, and next-generation sequencing, establishing a high sensitivity/specificity of 96.1%/99.6% for ALK, 96.7%/99.0% for ROS1, 100%/99.3% for RET fusion, and 92.5%/99.6% for MET exon 14 skipping, and a low failure rate (0.9%). The Idylla™ GeneFusion Assay was found to be a reliable, sensitive, and specific tool for routine detection of ALK, ROS1, RET fusions and MET exon 14 skipping. Given its short turnaround time of about 3 h, it is a time-efficient upfront screening tool in FFPE samples, supporting rapid clinical decision making. Moreover, expression-imbalance-based detection of potentially novel fusions may be easily verified with other routine technologies without delaying treatment initiation.
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Base de dados:
MEDLINE
Assunto principal:
Proteínas Tirosina Quinases
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Proteínas de Fusão Oncogênica
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Éxons
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Proteínas Proto-Oncogênicas
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Carcinoma Pulmonar de Células não Pequenas
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Proteínas Proto-Oncogênicas c-met
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Proteínas Proto-Oncogênicas c-ret
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Quinase do Linfoma Anaplásico
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Neoplasias Pulmonares
Limite:
Humans
Idioma:
En
Revista:
Virchows Arch
/
Virchows arch
/
Virchows archiv
Assunto da revista:
BIOLOGIA MOLECULAR
/
PATOLOGIA
Ano de publicação:
2024
Tipo de documento:
Article
País de afiliação:
Dinamarca