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Association details:
Biomarker:HER-2 V777L
Cancer:Breast Cancer
Drug:Herceptin (trastuzumab) (HER2 inhibitor)
Direction:Resistant
Evidence:
Evidence Level:
Resistant: C3 – Early Trials
Title:

Intrinsic HER2 V777L mutation mediates resistance to trastuzumab in a breast cancer patient

Published date:
11/29/2016
Excerpt:
These results suggest that HER2 V777L mutation is responsible for, and a predictive marker of, trastuzumab resistance. This is the first report to show that HER2 V777L is coincident with HER2-amplification in breast cancers that have developed trastuzumab resistance.
DOI:
10.1007/s12032-016-0857-2