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Pharmacokinetics of amoxycillin/clavulanic acid in serum and ascitic fluid in cirrhotic patients. 1989

J D Grange, and A Gouyette, and L Gutmann, and X Amiot, and M D Kitzis, and S Islam, and J F Acar, and P Jaillon
Service d'hépatologie et unité de Pharmacologie Clinique, Hôpital Tenon, Paris, France.

A combination of amoxycillin and clavulanic acid (Augmentin) might be useful for first-line treatment of spontaneous bacterial peritonitis in patients with cirrhosis. We have studied the pharmacokinetics of amoxycillin/clavulanic acid in serum and ascitic fluid of six cirrhotic patients. A total of 66 simultaneous serum and ascitic samples were analysed. Following iv injection of 1 g amoxycillin plus 0.2 g clavulanic acid, the ascites to serum AUC ratio was 1.38 for amoxycillin and 1.01 for clavulanic acid, indicating a good distribution of these drugs into the ascitic fluid. In this study, experimental data were fitted to a three compartment body model which revealed that the prolonged serum half-lives of amoxycillin (274 min) and clavulanic acid (200 min) were probably due to the slow return from the ascitic compartment.

UI MeSH Term Description Entries
D008103 Liver Cirrhosis Liver disease in which the normal microcirculation, the gross vascular anatomy, and the hepatic architecture have been variably destroyed and altered with fibrous septa surrounding regenerated or regenerating parenchymal nodules. Cirrhosis, Liver,Fibrosis, Liver,Hepatic Cirrhosis,Liver Fibrosis,Cirrhosis, Hepatic
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D008954 Models, Biological Theoretical representations that simulate the behavior or activity of biological processes or diseases. For disease models in living animals, DISEASE MODELS, ANIMAL is available. Biological models include the use of mathematical equations, computers, and other electronic equipment. Biological Model,Biological Models,Model, Biological,Models, Biologic,Biologic Model,Biologic Models,Model, Biologic
D002969 Clavulanic Acids Acids, salts, and derivatives of clavulanic acid (C8H9O5N). They consist of those beta-lactam compounds that differ from penicillin in having the sulfur of the thiazolidine ring replaced by an oxygen. They have limited antibacterial action, but block bacterial beta-lactamase irreversibly, so that similar antibiotics are not broken down by the bacterial enzymes and therefore can exert their antibacterial effects. Acids, Clavulanic
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000328 Adult A person having attained full growth or maturity. Adults are of 19 through 44 years of age. For a person between 19 and 24 years of age, YOUNG ADULT is available. Adults
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly
D000658 Amoxicillin A broad-spectrum semisynthetic antibiotic similar to AMPICILLIN except that its resistance to gastric acid permits higher serum levels with oral administration. Hydroxyampicillin,Actimoxi,Amoxicillin Anhydrous,Amoxicillin Monopotassium Salt,Amoxicillin Monosodium Salt,Amoxicillin Sodium,Amoxicillin Trihydrate,Amoxicillin, (R*)-Isomer,Amoxicilline,Amoxil,Amoxycillin,BRL-2333,Clamoxyl,Clamoxyl G.A.,Clamoxyl Parenteral,Penamox,Polymox,Trimox,Wymox,BRL 2333,BRL2333

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