Quantification of temocillin biliary excretion and gallbladder bile concentration in healthy subjects.
The techniques of duodenal perfusion with polyethylene glycol as a nonabsorbable marker, and cholescintiscan using 99Tc HIDA as a gallbladder bile marker, were used to measure the total duodenal output and gallbladder bile concentration of temocillin after administration of an intravenous bolus injection to each of 6 healthy subjects. We carried out 8 studies. 3 with 0.5g temocillin and 5 with 1g temocillin. The plasma half-life of temocillin was 177 (+/- 25) minutes [mean (+/- SD)] and 196 (+/- 29) minutes with the 0.5g and 1g doses, respectively. Urinary excretion accounted for 38% of the total dose given during the study period of 6 hours, and total biliary excretion was recorded as 2.2% of the given dose for both doses. The mean concentration of temocillin in gallbladder bile was 314.7 (+/- 273.2) mg/L after the 0.5g dose and 474.5 (+/- 307.3) mg/L after 1g dose. It was concluded that temocillin is highly concentrated in the normal gallbladder in man.[1]References
- Quantification of temocillin biliary excretion and gallbladder bile concentration in healthy subjects. Maudgal, D.P., Lanzini, A., Northfield, T.C., Bridges, C., Joseph, A.E. Drugs (1985) [Pubmed]
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