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PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
6
pubmed:dateCreated
2007-11-9
pubmed:abstractText
The pharmacokinetic properties of amoxicillin and clavulanic acid were studied in healthy, fasted pigs after single intravenous (i.v.) and oral (p.o.) dosage of 20 mg/kg of amoxicillin and 5 mg/kg of clavulanic acid. The plasma concentrations of the drugs were determined by validated high-performance liquid chromatographic methods and the pharmacokinetic parameters were calculated by compartmental and noncompartmental analyses. After i.v. administration of the two drugs, plasma concentration-time curves were best described by a three-compartmental open model for amoxicillin and a two-compartmental open model for clavulanic acid. Amoxicillin (with a t(1/2 gamma) = 1.03 h and a clearance of 0.58 L/h.kg) and clavulanic acid (with a t(1/2 beta) of 0.74 h and a clearance of 0.41 L/h.kg) were both rapidly eliminated from plasma. Both drugs had apparently the same volume of distribution of 0.34 L/kg. After p.o. administration of the two drugs, a noncompartmental model was used. Elimination half-lives of amoxicillin and clavulanic acid were not significantly different, i.e. 0.73 and 0.67 h respectively. The mean maximal plasma concentrations of amoxicillin and clavulanic acid were 3.14 and 2.42 mg/L, and these were reached after 1.19 and 0.88 h respectively. The mean p.o. bioavailability was found to be 22.8% for amoxicillin and 44.7% for clavulanic acid.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Dec
pubmed:issn
0140-7783
pubmed:author
pubmed:issnType
Print
pubmed:volume
30
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
550-5
pubmed:meshHeading
pubmed:year
2007
pubmed:articleTitle
Disposition and oral bioavailability of amoxicillin and clavulanic acid in pigs.
pubmed:affiliation
Department of Pharmacology, Toxicology, Biochemistry and Organ Physiology, Ghent University, Merelbeke, Belgium. tim.reyns@ugent.be
pubmed:publicationType
Journal Article