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- 저자 : V. C. Katoch (검색결과 1 건)
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Madhukar S. Dama,M. S. Dardi,V. C. Katoch,C. Varshneya 대한수의학회 2008 Journal of Veterinary Science Vol.9 No.1
The pharmacokinetics of orally administered pefloxacin were studied to evaluate the bio-enhancing effect of the herbal bio-enhancer, trikatu, in mountain Gaddi goats (n = 6). The findings of the study revealed a decreased plasma concentration (p > 0.05) of pefloxacin following trikatu administration during the absorption phase (10, 15, 20 min post pefloxacin administration). In contrast, the plasma concentrations of pefloxacin were significantly higher at 4, 6, 8 and 12 h (during the elimination phase) of the pefloxacin administration. The findings of the investigation revealed higher values for the area under the curve, the area under the first moment of the plasma drug concentration time curve, the mean residential time, the total duration of pharmacological action and bioavailability. Trikatu treatment, however, significantly reduced the elimination half life (t1/2β) and zero time intercept of the elimination phase. The apparent volume of distribution based on the total area under the plasma drug concentration curve [(Vd(area)] and the apparent volume of distribution based on the zero time plasma concentration intercept of the elimination phase [Vd(B)] were significantly higher in trikatu treated animals indicating a better penetration of the drug. Based on the MIC of 0.8 μg/ml of pefloxacin, a priming dose of 6.0 mg/kg and a maintenance dose of 2.21 mg/kg is required to be administered at 8 h intervals. For practical purposes in goats this would mean a priming dose of 6 mg/kg and a maintenance dose of 2 mg/kg given by the oral route, to be repeated at 8 h intervals. The pharmacokinetics of orally administered pefloxacin were studied to evaluate the bio-enhancing effect of the herbal bio-enhancer, trikatu, in mountain Gaddi goats (n = 6). The findings of the study revealed a decreased plasma concentration (p > 0.05) of pefloxacin following trikatu administration during the absorption phase (10, 15, 20 min post pefloxacin administration). In contrast, the plasma concentrations of pefloxacin were significantly higher at 4, 6, 8 and 12 h (during the elimination phase) of the pefloxacin administration. The findings of the investigation revealed higher values for the area under the curve, the area under the first moment of the plasma drug concentration time curve, the mean residential time, the total duration of pharmacological action and bioavailability. Trikatu treatment, however, significantly reduced the elimination half life (t1/2β) and zero time intercept of the elimination phase. The apparent volume of distribution based on the total area under the plasma drug concentration curve [(Vd(area)] and the apparent volume of distribution based on the zero time plasma concentration intercept of the elimination phase [Vd(B)] were significantly higher in trikatu treated animals indicating a better penetration of the drug. Based on the MIC of 0.8 μg/ml of pefloxacin, a priming dose of 6.0 mg/kg and a maintenance dose of 2.21 mg/kg is required to be administered at 8 h intervals. For practical purposes in goats this would mean a priming dose of 6 mg/kg and a maintenance dose of 2 mg/kg given by the oral route, to be repeated at 8 h intervals.
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