Article ; Online: Nitric Oxide Is the Cause of Nitroglycerin Tolerance: Providing an Old Dog New Tricks for Acute Heart Failure.
Journal of cardiovascular pharmacology and therapeutics
2022 Volume 27, Page(s) 10742484221086091
Abstract: Our paper highlights the past 50 years of research focusing solely on tolerance involving nitroglycerin (glyceryl trinitrate, GTN). It also identifies and discusses inconsistencies in previous mechanistic explanations that have failed to provide a way to ...
Abstract | Our paper highlights the past 50 years of research focusing solely on tolerance involving nitroglycerin (glyceryl trinitrate, GTN). It also identifies and discusses inconsistencies in previous mechanistic explanations that have failed to provide a way to administer GTN continuously, free of limitations from tolerance and without the requirement of a nitrate-free interval. We illustrate, for the first time in 135 years, a mechanism whereby nitric oxide, the mediator of vasodilation by GTN, may also be the cause of tolerance. Based on targeting superoxide from mitochondrial complex I, uncoupled by glutathione depletion in response to nitric oxide from GTN, a novel unit dose GTN formulation in glutathione for use as a continuous i.v. infusion has been proposed. We hypothesize that this will reduce or eliminate tolerance seen currently with i.v. GTN. Finally, to evaluate the new formulation we suggest future studies of this new formulation for the treatment of acute decompensated heart failure. |
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MeSH term(s) | Glutathione ; Heart Failure/diagnosis ; Heart Failure/drug therapy ; Humans ; Nitric Oxide ; Nitroglycerin ; Vasodilator Agents/adverse effects |
Chemical Substances | Vasodilator Agents ; Nitric Oxide (31C4KY9ESH) ; Nitroglycerin (G59M7S0WS3) ; Glutathione (GAN16C9B8O) |
Language | English |
Publishing date | 2022-03-13 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 1329372-2 |
ISSN | 1940-4034 ; 1074-2484 |
ISSN (online) | 1940-4034 |
ISSN | 1074-2484 |
DOI | 10.1177/10742484221086091 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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