Annotation Detail

Information
Associated Genes
EGFR
Associated Variants
EGFR p.Asp761Tyr (p.D761Y) ( ENST00000275493.7, ENST00000450046.2, ENST00000455089.5 )
EGFR p.Asp761Tyr (p.D761Y) ( ENST00000275493.7, ENST00000450046.2, ENST00000455089.5 )
Associated Disease
lung non-small cell carcinoma
Source Database
CIViC Evidence
Description
D761Y as a secondary mutation was reported to be associated with resistance to gefitinib and erlotinib in NSCLC cells that contain the L858R-EGFR mutation. This mutation combination was observed in a single patient with lung cancer and specifically in a metastatic brain lesion following gefitinib treatment. Functional validation of its role in drug sensitivity was examined in cell lines (293T and Ba/F3 cells).
Variant Origin
somatic
Variant Origin
Somatic
Evidence URL
https://civic.genome.wustl.edu/links/evidence_items/1763
Gene URL
https://civic.genome.wustl.edu/links/genes/19
Variant URL
https://civic.genome.wustl.edu/links/variants/712
Rating
3
Evidence Type
Predictive
Disease
Lung Non-small Cell Carcinoma
Evidence Direction
Supports
Drug
Gefitinib,Erlotinib
Evidence Level
C
Clinical Significance
Resistance
Pubmed
17085664
Drugs
Drug NameSensitivitySupported
ErlotinibResitance or Non-Reponsetrue
GefitinibResitance or Non-Reponsetrue