Title
Anti-epidermal growth factor receptor therapy in head and neck squamous cell carcinoma : focus on potential molecular mechanisms of drug resistance Anti-epidermal growth factor receptor therapy in head and neck squamous cell carcinoma : focus on potential molecular mechanisms of drug resistance
Author
Faculty/Department
Faculty of Medicine and Health Sciences
Publication type
article
Publication
,
Subject
Human medicine
Source (journal)
The oncologist. - Place of publication unknown
Volume/pages
18(2013) :7 , p. 850-864
ISSN
1083-7159
ISI
000322510100014
Carrier
E
Target language
English (eng)
Full text (Publishers DOI)
Affiliation
University of Antwerp
Abstract
Targeted therapy against the epidermal growth factor receptor (EGFR) is one of the most promising molecular therapeutics for head and neck squamous cell carcinoma (HNSCC). EGFR is overexpressed in a wide range of malignancies, including HNSCC, and initiates important signal transduction pathways in HNSCC carcinogenesis. However, primary and acquired resistance are serious problems and are responsible for low single-agent response rate and tumor recurrence. Therefore, an improved understanding of the molecular mechanisms of resistance to EGFR inhibitors may provide valuable indications to identify biomarkers that can be used clinically to predict response to EGFR blockade and to establish new treatment options to overcome resistance. To date, no predictive biomarker for HNSCC is available in the clinic. Therapeutic resistance to anti-EGFR therapy may arise from mechanisms that can compensate for reduced EGFR signaling and/or mechanisms that can modulate EGFR-dependent signaling. In this review, we will summarize some of these molecular mechanisms and describe strategies to overcome that resistance.
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