Journal
ADVANCED DRUG DELIVERY REVIEWS
Volume 55, Issue 1, Pages 133-150Publisher
ELSEVIER
DOI: 10.1016/S0169-409X(02)00175-8
Keywords
p-glycoprotein; MDR modulator; multidrug resistance-associated protein; ATP-binding cassette transporter
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With the realization of the importance of drug efflux transporters in disease processes and treatment, development of inhibitors to these transporters has been sought for use as adjuncts to therapy. To date, inhibitors that have been best studied are modulators of P-glycoprotein, a transporter important in the removal of anticancer agents from cells and overexpression of this transporter results in multidrug resistance. There is a delicate balance between efficacy and toxicity. This review summarizes key learning points in the development of P-glycoprotein inhibitors. Topics covered include specificity of the inhibitor for the target transporter, effect on metabolism of coadministered drugs, pharmacokinetic interactions, toxicity and the salient features needed for efficacy. These points will have general application to the development of inhibitors of transporters. (C) 2002 Elsevier Science B.V. All rights reserved.
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