PMID: 2113001Jan 1, 1990Paper

Nitrate tolerance. A problem during continuous nitrate administration

European Journal of Clinical Pharmacology
J O Parker

Abstract

The organic nitrates are effective agents in the management of patients with angina pectoris. They are the agents of choice in the treatment of acute episodes of angina pectoris and are useful in angina prophylaxis. While the organic nitrates are extremely effective in angina prophylaxis during acute therapy, there is increasing evidence that with many dosing regimens for oral and transdermal therapy, substantial attenuation of the antianginal effects develops. Thus, during acute therapy the organic nitrates improve exercise tolerance for many hours, but during sustained therapy designed to provide antianginal efficacy throughout the 24-h period there is significant attenuation of the beneficial effects. It has been documented that treatment regimens designed to provide a period of nitrate washout prevent or reverse nitrate tolerance, and such changes in dosing regimens have been shown to provide continued antianginal protection. It is clear that the objective of providing 24-h antianginal protection with the organic nitrates cannot be achieved. With appropriate dosing schedules, however, it is possible to improve exercise tolerance throughout the major portion of the 24-h dosing period.

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Citations

Nov 29, 2012·Journal of Cerebral Blood Flow and Metabolism : Official Journal of the International Society of Cerebral Blood Flow and Metabolism·Nicole A TerpolilliNikolaus Plesnila
Apr 1, 2008·Journal of Cardiovascular Pharmacology and Therapeutics·Diane L Guettler, Sheng-Xing Ma

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