Evaluation of a series of naphthamides as potent, orally active vascular endothelial growth factor receptor-2 tyrosine kinase inhibitors.

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Weiss MM, Harmange JC, Polverino AJ, Bauer D, Berry L, Berry V, Borg G, Bready J, Chen D, Choquette D, Coxon A, DeMelfi T, Doerr N, Estrada J, Flynn J, Graceffa RF, Harriman SP, Kaufman S, La DS, Long A, Neervannan S, Patel VF, Potashman M, Regal K, Roveto PM, Schrag ML, Starnes C, Tasker A, Teffera Y, Whittington DA, Zanon R

Evaluation of a series of naphthamides as potent, orally active vascular endothelial growth factor receptor-2 tyrosine kinase inhibitors.

J Med Chem. 2008 Mar 27;51(6):1668-80. doi: 10.1021/jm701098w. Epub 2008 Mar 7.

PubMed ID

18324759 [ View in PubMed

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Abstract

We have previously shown N-arylnaphthamides can be potent inhibitors of vascular endothelial growth factor receptors (VEGFRs). N-Alkyl and N-unsubstituted naphthamides were prepared and found to yield nanomolar inhibitors of VEGFR-2 (KDR) with an improved selectivity profile against a panel of tyrosine and serine/threonine kinases. The inhibitory activity of this series was retained at the cellular level. Naphthamides 3, 20, and 22 exhibited good pharmacokinetics following oral dosing and showed potent inhibition of VEGF-induced angiogenesis in the rat corneal model. Once-daily oral administration of 22 for 14 days led to 85% inhibition of established HT29 colon cancer and Calu-6 lung cancer xenografts at doses of 10 and 20 mg/kg, respectively.

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Binding Properties

Drug	Target	Property	Measurement	pH	Temperature (°C)
N-cyclopropyl-6-[(6,7-dimethoxyquinolin-4-yl)oxy]naphthalene-1-carboxamide	Vascular endothelial growth factor receptor 2	IC 50 (nM)	0.6	N/A	N/A	Details