CGS 35601, a triple inhibitor of angiotensin converting enzyme, neutral endopeptidase and endothelin converting enzyme. 2005

Bruno Battistini, and Philippe Daull, and Arco Y Jeng
Laval Hospital Research Center, Quebec Heart and Lung Institute, Department of Medicine, Laval University, Ste-Foy, QC G1V 4G5, Canada. bruno.battistini@med.ulaval.ca

CGS 35601 (L-tryptophan, N-[[1-[[(2S)-2-mercapto-4-methyl-1-oxopentyl]amino]-cyclopentyl]carbonyl]) is one of a few single molecules capable of inhibiting the activities of angiotensin-converting enzyme (ACE), neutral endopeptidase (NEP) and endothelin converting enzyme (ECE) simultaneously, with IC(50) values of 22, 2, and 55 nM, respectively. Through the inhibition of ACE and ECE, it blocks the conversion of angiotensin I (AI) and big endothelin-1 (big ET-1) into the two most potent peptidic vasoconstrictors, angiotensin II (AII) and ET-1, respectively. By inhibiting NEP, CGS 35601 also prevents the degradation of peptidic vasodilators such as bradykinin (BK), natriuretic peptides (NPs) and adrenomedullin (ADM) and, hence, modulates the secondary release of other vasoactive mediators such as nitric oxide (NO) and prostaglandins. In chronic (30 days) experiments, CGS 35601 is well tolerated with a very good safety profile in healthy normotensive, hypertensive and type 2 diabetic rats. The antihypertensive efficacy of CGS 35601 was demonstrated in chronically instrumented, unrestrained and conscious rat models of hypertension (SHR and DSS) and type 2 diabetes (ZDF-fatty). It lowered blood pressure effectively as well as modulated plasma concentrations of a number of circulating vasoactive peptidic mediators that are keys to the regulation of the vascular tone. These data suggest that CGS 35601, a triple vasopeptidase inhibitor (VPI), may represent a novel class of antihypertensive drugs and may have the potential to reduce morbidity and mortality from cardiovascular disorders, diabetes and subsequent renal complications. Similar in vivo ACE, NEP, and ECE inhibitory activities were also observed with the orally active prodrug, CGS 37808 (L-tryptophan, N-[[1-[[(2S)-2-(acetylthio)-4-methyl-1-oxopentyl]amino]cyclopentyl]-carbonyl]-, methyl ester.

UI MeSH Term Description Entries
D006973 Hypertension Persistently high systemic arterial BLOOD PRESSURE. Based on multiple readings (BLOOD PRESSURE DETERMINATION), hypertension is currently defined as when SYSTOLIC PRESSURE is consistently greater than 140 mm Hg or when DIASTOLIC PRESSURE is consistently 90 mm Hg or more. Blood Pressure, High,Blood Pressures, High,High Blood Pressure,High Blood Pressures
D007211 Indoles Benzopyrroles with the nitrogen at the number one carbon adjacent to the benzyl portion, in contrast to ISOINDOLES which have the nitrogen away from the six-membered ring.
D008666 Metalloendopeptidases ENDOPEPTIDASES which use a metal such as ZINC in the catalytic mechanism. Metallo-Endoproteinases,Metalloendopeptidase
D011480 Protease Inhibitors Compounds which inhibit or antagonize biosynthesis or actions of proteases (ENDOPEPTIDASES). Antiprotease,Endopeptidase Inhibitor,Endopeptidase Inhibitors,Peptidase Inhibitor,Peptidase Inhibitors,Peptide Hydrolase Inhibitor,Peptide Hydrolase Inhibitors,Peptide Peptidohydrolase Inhibitor,Peptide Peptidohydrolase Inhibitors,Protease Antagonist,Protease Antagonists,Antiproteases,Protease Inhibitor,Antagonist, Protease,Antagonists, Protease,Hydrolase Inhibitor, Peptide,Hydrolase Inhibitors, Peptide,Inhibitor, Endopeptidase,Inhibitor, Peptidase,Inhibitor, Peptide Hydrolase,Inhibitor, Peptide Peptidohydrolase,Inhibitor, Protease,Inhibitors, Endopeptidase,Inhibitors, Peptidase,Inhibitors, Peptide Hydrolase,Inhibitors, Peptide Peptidohydrolase,Inhibitors, Protease,Peptidohydrolase Inhibitor, Peptide,Peptidohydrolase Inhibitors, Peptide
D003920 Diabetes Mellitus A heterogeneous group of disorders characterized by HYPERGLYCEMIA and GLUCOSE INTOLERANCE.
D004791 Enzyme Inhibitors Compounds or agents that combine with an enzyme in such a manner as to prevent the normal substrate-enzyme combination and the catalytic reaction. Enzyme Inhibitor,Inhibitor, Enzyme,Inhibitors, Enzyme
D006333 Heart Failure A heterogeneous condition in which the heart is unable to pump out sufficient blood to meet the metabolic need of the body. Heart failure can be caused by structural defects, functional abnormalities (VENTRICULAR DYSFUNCTION), or a sudden overload beyond its capacity. Chronic heart failure is more common than acute heart failure which results from sudden insult to cardiac function, such as MYOCARDIAL INFARCTION. Cardiac Failure,Heart Decompensation,Congestive Heart Failure,Heart Failure, Congestive,Heart Failure, Left-Sided,Heart Failure, Right-Sided,Left-Sided Heart Failure,Myocardial Failure,Right-Sided Heart Failure,Decompensation, Heart,Heart Failure, Left Sided,Heart Failure, Right Sided,Left Sided Heart Failure,Right Sided Heart Failure
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000072396 Endothelin-Converting Enzymes Metalloendopeptidases which convert BIG ENDOTHELIN to ENDOTHELIN-1. ECE-1beta,Endothelin Converting Enzyme,Endothelin Converting Enzyme-1a,Endothelin-Converting Enzyme,Endothelin-Converting Enzyme 1,Endothelin-Converting Enzyme 2,Endothelin-Converting Enzyme II,Endothelin-Converting Enzyme-1b,Endothelin-Converting Metalloprotease 2,Metalloprotease ECE-2,ECE-2, Metalloprotease,Endothelin Converting Enzyme 1,Endothelin Converting Enzyme 1a,Endothelin Converting Enzyme 1b,Endothelin Converting Enzyme 2,Endothelin Converting Enzyme II,Endothelin Converting Enzymes,Endothelin Converting Metalloprotease 2,Metalloprotease ECE 2
D000806 Angiotensin-Converting Enzyme Inhibitors A class of drugs whose main indications are the treatment of hypertension and heart failure. They exert their hemodynamic effect mainly by inhibiting the renin-angiotensin system. They also modulate sympathetic nervous system activity and increase prostaglandin synthesis. They cause mainly vasodilation and mild natriuresis without affecting heart rate and contractility. ACE Inhibitor,ACE Inhibitors,Angiotensin Converting Enzyme Inhibitor,Angiotensin I-Converting Enzyme Inhibitor,Angiotensin-Converting Enzyme Inhibitor,Kininase II Inhibitor,Kininase II Inhibitors,Angiotensin I-Converting Enzyme Inhibitors,Angiotensin-Converting Enzyme Antagonists,Antagonists, Angiotensin-Converting Enzyme,Antagonists, Kininase II,Inhibitors, ACE,Inhibitors, Angiotensin-Converting Enzyme,Inhibitors, Kininase II,Kininase II Antagonists,Angiotensin Converting Enzyme Antagonists,Angiotensin Converting Enzyme Inhibitors,Angiotensin I Converting Enzyme Inhibitor,Angiotensin I Converting Enzyme Inhibitors,Antagonists, Angiotensin Converting Enzyme,Enzyme Antagonists, Angiotensin-Converting,Enzyme Inhibitor, Angiotensin-Converting,Enzyme Inhibitors, Angiotensin-Converting,II Inhibitor, Kininase,Inhibitor, ACE,Inhibitor, Angiotensin-Converting Enzyme,Inhibitor, Kininase II,Inhibitors, Angiotensin Converting Enzyme

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