Article
Effects of Ado-Trastuzumab Emtansine and Fam-Trastuzumab Deruxtecan on Metastatic Breast Cancer Harboring HER2 Amplification and the L755S Mutation.
The oncologist - 1 Aug 2021
Mukohara Toru, Hosono Ako, Mimaki Sachiyo, Nakayama Akiko, Kusuhara Shota, Funasaka Chikako, Nakao Takehiro, Fukasawa Yoko, Kondoh Chihiro, Harano Kenichi, Naito Yoichi, Matsubara Nobuaki, Tsuchihara Katsuya, Kuwata Takeshi
Abstract excerpt
Somatic mutations in human epidermal growth factor receptor 2 (HER2) are present in approximately 3% of breast cancers. Some HER2 mutations are activating, and they represent a mechanism of resistance to conventional anti-HER2 therapies such as trastuzumab and lapatinib. Consistently, in patients with HER2-amplified breast cancer, these mutations are predominantly observed in metastatic tumors obtained after...
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