Discovery of novel, orally active dual NK1/NK2 antagonists

被引:38
作者
Bernstein, PR [1 ]
Aharony, D [1 ]
Albert, JS [1 ]
Andisik, D [1 ]
Barthlow, HG [1 ]
Bialecki, R [1 ]
Davenport, T [1 ]
Dedinas, RF [1 ]
Dembofsky, BT [1 ]
Koether, G [1 ]
Kosmider, BJ [1 ]
Kirkland, K [1 ]
Ohnmacht, CJ [1 ]
Potts, W [1 ]
Rumsey, WL [1 ]
Shen, LH [1 ]
Shenvi, A [1 ]
Sherwood, S [1 ]
Stollman, D [1 ]
Russell, K [1 ]
机构
[1] AstraZeneca Pharmaceut LP, CNS Discovery Res, Wilmington, DE 19850 USA
关键词
D O I
10.1016/S0960-894X(01)00572-8
中图分类号
R914 [药物化学];
学科分类号
100701 ;
摘要
Exploration of the SAR around selective NK2 antagonists, SR48968 and ZD7944, led to the discovery that naphth-1-amide analogues provide potent dual NK1 and NK2 antagonists. ZD6021 inhibited binding of [H-3]-NKA or [H-3]-SP to human NK1 and NK2 receptors, with high-affinity (K-i = 0. 12 and 0.62 nM, respectively). In functional assays ZD6021 had, at 10-7 M, in human pulmonary artery pK(B) = 8.9 and in human bronchus pK(B) = 7.3, for NK1 and NK2, respectively. Oral administration of ZD6021 to guinea pigs dose-dependently attenuated ASMSP induced extravasation of plasma proteins, ED50 = 0.5 mg/kg, and NK2 mediated bronchoconstriction, ED50 = 13 mg/kg. (C) 2001 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:2769 / 2773
页数:5
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