Epidermal Growth Factor Receptor Irreversible Inhibitors: Chemical Exploration of the Cysteine-Trap Portion

Author(s): C. Carmi, A. Lodola, S. Rivara, F. Vacondio, A. Cavazzoni, R. R. Alfieri, A. Ardizzoni, P. G. Petronini, M. Mor

Journal Name: Mini-Reviews in Medicinal Chemistry

Volume 11 , Issue 12 , 2011

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Covalent EGFR irreversible inhibitors showed promising potential for the treatment of gefitinib-resistant tumors and for imaging purposes. They contain a cysteine-reactive portion forming a covalent bond with the protein. Irreversible kinase inhibitors have been advanced to clinical studies, mostly characterized by an acrylamide or butynamide warhead. However, the clinical usefulness of these compounds has been hampered by resistances, toxicity and pharmacokinetic problems. Investigation on the structure-activity and structure-reactivity relationships may provide useful information for compounds with improved selectivity and pharmacokinetic properties. This review focuses on the exploration of the cysteine-trap portions able to irreversibly inhibit EGFR and other erbB receptors.

Keywords: Antitumor, covalent inhibition, cysteine-trap, EGFR, erbB receptors, irreversible inhibitors, NSCLC, gefitinib-resistant, resistances, toxicity, pharmacokinetic

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Article Details

Year: 2011
Page: [1019 - 1030]
Pages: 12
DOI: 10.2174/138955711797247725
Price: $65

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