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Biological considerations and clinical applications of new HER2-targeted agents

, &
Pages 1497-1509 | Published online: 10 Jan 2014
 

Abstract

Over the past two decades, since the discovery of the human EGF receptor 2 (HER2) oncogene, the oncoprotein has become one of the best known and intensively studied tumor targets in oncology. In fact, laboratory findings were the basis for clinical proof-of-principle studies, whose results not only confirmed the relationship between gene amplification and an aggressive tumor phenotype but also demonstrated that the poor prognosis associated with receptor overexpression could be improved. Indeed, the success in treating patients with HER2-positive breast cancer extends to those with early as well as advanced disease. Nonetheless, not all tumors respond to treatment targeting the receptor; disease progression also occurs after initially responding to anti-HER2 therapy. This article focuses on the biology of HER2 and three novel agents currently in clinical trials that target HER2 beyond disease progression.

Financial & competing interests disclosure

The authors have no relevant affiliations or financial involvement with any organization or entity with a financial interest in or financial conflict with the subject matter or materials discussed in the manuscript. This includes employment, consultancies, honoraria, stock ownership or options, expert testimony, grants or patents received or pending, or royalties.

No writing assistance was utilized in the production of this manuscript.

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