Targeting HER2 alterations in non–small-cell lung cancer: a comprehensive review
J Zhao, Y Xia - JCO Precision Oncology, 2020 - ascopubs.org
J Zhao, Y Xia
JCO Precision Oncology, 2020•ascopubs.orgPURPOSE HER2 is a critical gene that drives various solid tumors in addition to those of
breast cancer. For example, HER2 plays a role in non–small-cell lung cancer (NSCLC).
Overexpression, amplification, and point mutations in HER2 have been described in patients
with NSCLC; however, the potential roles of these alterations remain unclear. METHODS
We summarize the evidence regarding the distinct impacts of different HER2 aberrations on
antitumor agents. Also, we update the therapeutic efficacy of HER2-targeted agents …
breast cancer. For example, HER2 plays a role in non–small-cell lung cancer (NSCLC).
Overexpression, amplification, and point mutations in HER2 have been described in patients
with NSCLC; however, the potential roles of these alterations remain unclear. METHODS
We summarize the evidence regarding the distinct impacts of different HER2 aberrations on
antitumor agents. Also, we update the therapeutic efficacy of HER2-targeted agents …
PURPOSE
HER2 is a critical gene that drives various solid tumors in addition to those of breast cancer. For example, HER2 plays a role in non–small-cell lung cancer (NSCLC). Overexpression, amplification, and point mutations in HER2 have been described in patients with NSCLC; however, the potential roles of these alterations remain unclear.
METHODS
We summarize the evidence regarding the distinct impacts of different HER2 aberrations on antitumor agents. Also, we update the therapeutic efficacy of HER2-targeted agents, including anti-HER2 antibodies, antibody-drug conjugates, and small-molecule tyrosine kinase inhibitors, tested in HER2-aberrant NSCLC.
RESULTS
Although these drugs are not yet standard treatments, certain patients may benefit from these therapies. In this review, we aim to provide an improved understanding of HER2 aberrations in NSCLC, including NSCLC biology and the impacts of each aberration on prognosis and standard treatment. We also highlight the potential of novel anti-HER2 therapies approved by regulatory bodies and those in clinical development.
CONCLUSION
Compared with HER2 amplification or overexpression, HER2 mutations, especially HER2 exon 20 mutations, are emerging as the most clear targetable driver for HER2-directed therapies in lung cancer. De novo and inducible HER2 pathway activation need to be differentially managed. Further investigations with new strategies are needed.
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