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KMID : 0941819980080010013
Korean Journal of Clinical Pharmacy
1998 Volume.8 No. 1 p.13 ~ p.18
Clinical Pharmacokinetics of Vancomycin in Ovarian Cancer Patients
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Abstract
The purpose of this study was to determine pharmacokinetic parameters of vancomycin using the compartment model dependent and compartment model independent analysis in 6 Korean normal volunteers and 8 ovarian cancer patients. Vancomycin was administered 1.0 g bolus by IV infusion over 60 minutes. The elimination rate constant (beta), volume of distribution (Vd), total body clearance (CLt), and area under the plasma level-time curve (AUC) of vancomycin in normal volunteers using the compartment model dependent analysis were 0.150pm0.030;hr^{-1},;32.9pm2.81;L/kg,;5.36pm0.63;L/hr,;and;186.5pm20.5;{mu}g/ml{cdot}hr, respectively. The beta, Vd, CLt, and AUC of vancomycin in ovarian cancer patients using the compartment model dependent analysis were 0.109;0.008;hr^{-1},;41.5pm3.01;L/kg,;4.58pm0.57;L/hr;and;218.3pm22.9;{mu}g/ml{cdot}hr, respectively. There were significant differences (p<0.05,;p<0.01) in beta, Vd, CLt, and AUC between normal volunteers and ovarian cancer patients. The elimination rate constant (Kel), CLt, and AUC of vancomycin in normal volunteers using the compartment model independent analysis were 0.152pm0.022;hr^{-1},;5.77pm0.75;L/hr,;and;173.2pm22.5;{mu}g/ml{cdot}hr, respectively. The Kel, CLt, and AUC of vancomycin in ovarian cancer patients using the compartment model independent analysis were 0.126pm0.012;hr^{-1},;4.96pm0.55;L/hr,;and;201.7pm25.6;{mu}g/ml{cdot}hr, respectively. There were significant differences (p<0.05, p<0.01) in Kel, CLt, and AUC between normal volunteers and ovarian cancer patients. And also, there was significant difference (p<0.05) in Kel of vancomycin in ovarian cancer patients between the compartment model dependent and independen analysis. It is necessary for effective dosage regimen of vancomycin in ovarian cancer patient to use these population parameters.
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