منابع مشابه
Time course of the interaction between tadalafil and nitrates.
OBJECTIVES This study was designed to determine the time course of nitrate interaction with tadalafil, a phosphodiesterase 5 (PDE5) inhibitor with a half-life (t(1/2)) of 17.5 h. BACKGROUND The PDE5 inhibitors augment the blood pressure (BP)-lowering effects of nitrates, yet the time course of this interaction is unclear. Recent guidelines from the American College of Cardiology/American Hear...
متن کاملTadalafil.
Tadalafil is PDE5 inhibitor that has recently been approved for the treatment of ED. The mechanism of action of tadalafil is similar to sildenafil and vardenafil through the inhibition of PDE. In both chemical structure and PDE subtype selectivity profile, tadalafil differs markedly from sildenafil and vardenafil. Compared with sildenafil and vardenafil, tadalafil exhibits a prolonged plasma re...
متن کاملVascular and hemodynamic differences between organic nitrates and nitrites.
Because nitroglycerin (NTG, an organic nitrate) and isoamyl nitrite have similar chemical structures and a common mechanism of vascular relaxation (i.e., conversion to nitric oxide in vascular tissues and activation of guanylyl cyclase), it has often been assumed that organic nitrates and nitrites have identical pharmacologic actions. Because recent studies have shown that the vascular enzymes ...
متن کاملNicorandil as a hybrid between nitrates and potassium channel activators.
Nicorandil, although structurally a nitrate, differs from classic nitrates in several respects. It preferentially dilates resistive vessels. Its effect on venous return in dogs is not unanimously a decrease but rather an increase. In high doses or concentrations it suppresses myocardial contraction and ventricular automaticity, nearly sparing sinoatrial nodal automaticity and atrioventricular n...
متن کاملInteraction between Intestinal Microbiota and Serotonin Metabolism
Gut microbiota regulates the production of signaling molecules, such as serotonin or 5-Hydroxytryptamine: 5-HT in the host. Serotonin is a biogenic amine that acts as a neurotransmitter in the gut and brain. There is a perfect interaction between human gastrointestinal microbiota and the serotonin system. The gut microbiota plays an important role in the serotonin signaling pathways through the...
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ژورنال
عنوان ژورنال: American Journal of Hypertension
سال: 2004
ISSN: 0895-7061
DOI: 10.1016/j.amjhyper.2004.03.311