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J Mol Cell Cardiol. 2008 Jun;44(6):954-67. doi: 10.1016/j.yjmcc.2008.03.019. Epub 2008 Apr 8.

Late sodium current inhibition as a new cardioprotective approach.

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The Heart Institute of Good Samaritan Hospital, Los Angeles, CA 90017, USA.


There is increasing evidence that the late sodium current of the sodium channel in myocytes plays a critical role in the pathophysiology of myocardial ischemia and thus is a potential therapeutic target in patients with ischemic heart disease. Ranolazine, an inhibitor of the late sodium current, reduces the frequency and severity of anginal attacks and ST-segment depression in humans, and unlike other antianginal drugs, ranolazine does not alter heart rate or blood pressure. In experimental animal models, ranolazine has been shown to reduce myocardial infarct size and to improve left ventricular function after acute ischemia and chronic heart failure. This article reviews published data describing the role of late sodium current and its inhibition by ranolazine in clinical and experimental studies of myocardial ischemia.

[Indexed for MEDLINE]

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