4.5 Article

Progress in Treatment of Non-Small Cell Lung Cancer Harboring HER2 Aberrations

期刊

ONCOTARGETS AND THERAPY
卷 14, 期 -, 页码 4087-4098

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DOVE MEDICAL PRESS LTD
DOI: 10.2147/OTT.S312820

关键词

HER2; non-small cell lung cancer; antibody conjugate; tyrosine kinase inhibitor

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HER2, a member of the ErbB receptor tyrosine kinase family, can form various dimers with other receptors to affect signal pathways and promote proliferation, differentiation, and tumorigenesis in NSCLC. Different HER2 aberrations in NSCLC, including mutation, amplification, and overexpression, have varying clinical relevance and responses to treatment. While HER2 mutations are generally considered more clinically relevant, there is still no consensus on detection and targeted treatments for HER2 abnormalities in NSCLC.
Epidermal growth factor receptor 2 (HER2/ErbB2/neu), a member of ErbB receptor tyrosine kinase family, forms homo-or heterodimers with ErbB1 (HER1/EGFR), ErbB3 (HER3), or ErbB4 (HER4), to activate signal transduction pathways and promote proliferation, differentiation and tumorigenesis. Preliminary clinical trials of monoclonal antibodies, antibody conjugates and small-molecule tyrosine kinase inhibitors targeting HER2 have indicated that HER2 is a potential therapeutic target in non-small cell lung cancer (NSCLC). HER2 aberrations in NSCLC patients mainly include mutation, amplifica-tion, and overexpression. While there are significant differences in the outcome of NSCLC with these HER2 changes, no consensus has been reached for the incidence, detection method and targeted treatments for the three types of HER2 aberration. HER2 mutation is generally considered to have more clinical relevance and response to HER2-targeted thera-pies. In this review, we discuss HER2 alterations in NSCLC, including diagnostic challenges and treatment strategies particular to the HER2 mutation.

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