Annotation Detail

Information
Associated Genes
EGFR
Associated Variants
EGFR L861Q
EGFR L861Q
Associated Disease
lung non-small cell carcinoma
Source Database
CIViC Evidence
Description
EGFR L861 mutations have been associated with increased sensitivity to first generation EGFR tyrosine kinase inhibitors, including erlotinib and gefitinib. In a study of patients treated with erlotinib or gefitinib, a subset of patients with EGFR mutation at codons G719 or L861 (n=30) was associated with improved response rate (47.5% vs 16.5%, P<0.001) median progression free survival (5.0 vs 2.0 months, P<0.001), and overall survival (15.0 vs. 10.4 months, P =0.030), compared to patients with wild-type EGFR (n=272).
Variant Origin
somatic
Variant Origin
Somatic
Evidence URL
https://civic.genome.wustl.edu/links/evidence_items/4298
Gene URL
https://civic.genome.wustl.edu/links/genes/19
Variant URL
https://civic.genome.wustl.edu/links/variants/1866
Rating
3
Evidence Type
Predictive
Disease
Lung Non-small Cell Carcinoma
Evidence Direction
Supports
Drug
Gefitinib,Erlotinib
Evidence Level
B
Clinical Significance
Sensitivity/Response
Pubmed
21531810
Drugs
Drug NameSensitivitySupported
ErlotinibSensitivitytrue
GefitinibSensitivitytrue