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Current Vascular Pharmacology

Editor-in-Chief

ISSN (Print): 1570-1611
ISSN (Online): 1875-6212

Targeting Small Arteries of Hypertensive Status with Novel ATP-Sensitive Potassium Channel Openers&#

Author(s): Hai Wang, Ying-Li Zhang and Yu-Ping Chen

Volume 3, Issue 2, 2005

Page: [119 - 124] Pages: 6

DOI: 10.2174/1570161053586895

Price: $65

Abstract

The excessive contraction of small arteries under high blood pressure is the main contributor to the pathological change of hypertension. Current anti-hypertensive drugs, which lack a selective effect on small arteries in a hypertensive state, may cause many adverse effects. We have developed a novel opener of ATP-sensitive potassium channels, iptakalim, the vasorelaxing action of which is determined by the hypertensive status of small arteries. In conscious strokeprone, spontaneously hypertensive rats and “two-kidneys, one-clip” renal hypertensive dogs, this compound produced long-lasting hypotensive effects, with no tolerance. Furthermore, it exerted a protective effect against hypertensive damage to target organs. Given its potency and fewer side effects, iptakalim hydrochloride is a promising drug for the treatment of hypertension.

Keywords: hypertension, atp-sensitive potassium channel, iptakalim, small artery, vasodilator, side effects, selective hypotensive efficacy, cardiovascular remodeling


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