Annotation Detail

Information
Associated Genes
ERBB2
Associated Variants
ERBB2 AMPLIFICATION ( ENST00000269571.10 )
ERBB2 AMPLIFICATION ( ENST00000269571.10 )
Associated Disease
lung adenocarcinoma
Source Database
CIViC Evidence
Description
155 patients with lung adenocarcinomas underwent rebiopsy and genotyping (EGFR, AKT1, BRAF, ERBB2, KRAS, MEK1, NRAS, PIK3CA and FISH for MET and HER2) after the development of acquired resistance to EGFR inhibitors (gefitinib or erlotinib). 2 of 24 patients tested were found to have HER2 amplification (but no baseline samples available for analysis). One patient of which had a metastasis sample which was reported to have only HER2 amplification whereas another autopsy specimen from the same patient was HER2 negative but EGFR T790M positive.
Variant Origin
N/A
Variant Origin
N/A
Evidence URL
https://civic.genome.wustl.edu/links/evidence_items/1393
Gene URL
https://civic.genome.wustl.edu/links/genes/20
Variant URL
https://civic.genome.wustl.edu/links/variants/306
Rating
1
Evidence Type
Predictive
Disease
Lung Adenocarcinoma
Evidence Direction
Supports
Drug
Gefitinib,Erlotinib
Evidence Level
C
Clinical Significance
Resistance
Pubmed
23470965
Drugs
Drug NameSensitivitySupported
ErlotinibResitance or Non-Reponsetrue
GefitinibResitance or Non-Reponsetrue