Beyond epidermal growth factor receptor (EGFR) and anaplastic lymphoma kinase (ALK) testing in advanced non-small cell lung cancer: Is the picture as "ROS1" as it appears?

With the use of real-time PCR for EGFR and of the D5F3 immunochemistry for ALK, almost 95% of our samples tested had interpretable results as compared to around 82% with the initially used techniques. Since EGFR mutations and ALK rearrangements are mutually exclusive, we currently expect one of ever...

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Bibliographic Details
Published inLung India Vol. 34; no. 5; pp. 405 - 408
Main Author Singh, Navneet
Format Journal Article
LanguageEnglish
Published India Medknow Publications and Media Pvt. Ltd 01.09.2017
Medknow Publications & Media Pvt. Ltd
Medknow Publications & Media Pvt Ltd
Wolters Kluwer Medknow Publications
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Summary:With the use of real-time PCR for EGFR and of the D5F3 immunochemistry for ALK, almost 95% of our samples tested had interpretable results as compared to around 82% with the initially used techniques. Since EGFR mutations and ALK rearrangements are mutually exclusive, we currently expect one of every two females with advanced/metastatic lung adenocarcinoma tested to be a candidate for targeted therapy (37% EGFR and 13% ALK prevalence in our setting). [...]for 100 lung cancer patients presenting to the clinic, the actual statistics turn out to be as shown in [Table 1]. First-line crizotinib versus chemotherapy in ALK-positive lung cancer. First-line ceritinib versus platinum-based chemotherapy in advanced ALK-rearranged non-small-cell lung cancer (ASCEND-4): A randomised, open-label, phase 3 study.
Bibliography:SourceType-Other Sources-1
content type line 63
ObjectType-Editorial-2
ObjectType-Commentary-1
ISSN:0970-2113
0974-598X
DOI:10.4103/lungindia.lungindia_305_17