Disposition and metabolism of the angiotensin-converting enzyme inhibitor [4S-[4 alpha, 7 alpha, (R*), 12b beta]]-7-[S-(1-ethoxycarbonyl-3- phenylpropyl)amino]-1,2,3,4,6,7,8,12b-octahydro-6-oxo- pyrido[2,1-a][2]benzazepine-4-carboxylic acid in monkeys and dogs. 1991

H Cheng, and J D Stuhler, and B R Dorrbecker, and W P Gordon
Merrell Dow Research Institute, Indianapolis, IN 46268.

[4S-[4 alpha, 7 alpha, (R*),12b beta]]-7-[S- (1-ethoxycarbonyl-3-phenylpropyl)amino]-1,2,3,4,6,7,8, 12b-octahydro-6-oxo-pyrido[2,1-a][2]benzazepine-4-carboxylic acid (MDL 27,210) is the ethyl ester prodrug of a potent angiotensin-converting enzyme inhibitor, MDL 27,088. After a single dose of [14C]MDL 27,210 (3 mg/kg iv), MDL 27,210 was rapidly eliminated from the plasma of monkeys and dogs with a terminal half-life of approximately 0.3 hr. The steady-state volume of distribution was 0.15 liter/kg in dogs and 0.28 liter/kg in monkeys. Monkeys excreted 52% of the 14C dose in the feces and 41% in the urine; dogs excreted 80% of the 14C dose in the feces and 14% in the urine. The presence of a large fraction of the 14C dose in the feces of both species following iv administration suggests that significant biliary excretion occurred. MDL 27,210 administered iv to monkeys and dogs was rapidly and extensively (greater than 99.9%) metabolized, primarily to its diacid metabolite, MDL 27,088. The half-life of MDL 27,088 was 2.2 hr in dogs and 3.6 hr in monkeys.

UI MeSH Term Description Entries
D007275 Injections, Intravenous Injections made into a vein for therapeutic or experimental purposes. Intravenous Injections,Injection, Intravenous,Intravenous Injection
D008252 Macaca fascicularis A species of the genus MACACA which typically lives near the coast in tidal creeks and mangrove swamps primarily on the islands of the Malay peninsula. Burmese Long-Tailed Macaque,Crab-Eating Monkey,Cynomolgus Monkey,M. f. aurea,M. fascicularis,Macaca fascicularis aurea,Monkey, Crab-Eating,Monkey, Cynomolgus,Crab-Eating Macaque,Burmese Long Tailed Macaque,Crab Eating Macaque,Crab Eating Monkey,Crab-Eating Macaques,Crab-Eating Monkeys,Cynomolgus Monkeys,Long-Tailed Macaque, Burmese,Macaque, Burmese Long-Tailed,Macaque, Crab-Eating,Monkey, Crab Eating
D008297 Male Males
D011725 Pyridines Compounds with a six membered aromatic ring containing NITROGEN. The saturated version is PIPERIDINES.
D004285 Dogs The domestic dog, Canis familiaris, comprising about 400 breeds, of the carnivore family CANIDAE. They are worldwide in distribution and live in association with people. (Walker's Mammals of the World, 5th ed, p1065) Canis familiaris,Dog
D005243 Feces Excrement from the INTESTINES, containing unabsorbed solids, waste products, secretions, and BACTERIA of the DIGESTIVE SYSTEM.
D006207 Half-Life The time it takes for a substance (drug, radioactive nuclide, or other) to lose half of its pharmacologic, physiologic, or radiologic activity. Halflife,Half Life,Half-Lifes,Halflifes
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
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D001552 Benzazepines Compounds with BENZENE fused to AZEPINES.

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