PHARMACOKINETIC PROFILE OF AMPICILLIN AND CLINDAMYCIN IN RABBITS

Document Type : Original Article

Authors

1 Department of Pharmacology, Faculty of Veterinary medicine, Cairo University, Giza, Egypt.

2 Department of Oral Surgery, Faculty of Oral and Dental Medicine, Cairo University, Giza, Egypt.

Abstract

Ampicillin and clindamycin were once administered in rabbits via oral and i.v. routes in doses of 25 andl6 mg/kg b.wt., respectively, to determine blood concentration, kinetic behaviour and bioavailability. Following a single i.v. injection, the blood concentration-time curve indicated a two compartment open model, with an climination half-life value (to.5, (B),) of 103.03 and 209.41 minutes for ampicillin and clindamycin, respectively. The apparent volume of distribution of ampicillin in rabbits was less than 1 litre/kg and suggesting a lower distribution in tissues than in blood. While, the apparent volume of distribution of clindamycin in rabbits was more than 1 litre/kg and suggesting a higher distribution in tissues than in blood. After oral administration the peak plasma concentration of ampicillin and clindamycin were 11.03 and 2.25ug/ml at 2.45 and 0.96 hours, respectively. The average bioavailability of ampicillin and clindamycin given by oral administration, were 0.44 and 0.56%, respectively.

Main Subjects