GW 583340 dihydrochloride

GW 583340 dihydrochloride is a potent and orally available dual EGFR/ErbB2 (epidermal growth factor receptor/tyrosine kinase) inhibitor and is capable of reversing ABCG2- and ABCB1-mediated resistance.GW 583340 dihydrochloride selectively inhibits the growth of human tumor cells overexpressing EGFR and ErbB2, selectively inhibits the growth of human tumor cells overexpressing EGFR and ErbB2, and inhibits 80% of tumor growth in a mouse xenograft model, with potential anticancer activity.