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| Content Provider | PubMed Central |
|---|---|
| Author | Smithers, J. A. Kulmala, H. K. Thompson, G. A. Antony, K. K. Lewis, E. W. Ruberg, S. J. Kenny, M. T. Dulworth, J. K. Brackman, M. A. |
| Abstract | Teicoplanin pharmacokinetics were evaluated after multiple-dose intravenous administration to healthy male volunteers by using a randomized, double-blind, parallel design. Doses of 3, 12, or 30 mg of teicoplanin per kg of body weight were administered every 24 h for 14 days as 60-min constant-rate intravenous infusions. Blood and urine samples were collected over 21 days and analyzed by a microbiological assay. Twenty-three subjects were included in the pharmacokinetic analysis. The median pharmacokinetic parameters upon multiple-dose intravenous administration of 3, 12, and 30 mg/kg included steady-state volumes of distribution of 0.94, 0.77, and 0.68 liter/kg; total clearances of 11.9, 12.0, and 13.2 ml/h/kg; and terminal disposition half-lives of 143, 166, and 96 h, respectively. Renal clearance accounted for approximately 95% of total clearance. No dose-related differences existed for teicoplanin total or renal clearance. The steady-state volume of distribution decreased significantly with increasing doses. As a result of the decrease in the volume of distribution, the terminal disposition half-life at 30 mg/kg was significantly decreased. However, the decreases in the volume of distribution and terminal disposition half-life are of limited clinical importance, since steady-state trough concentrations in serum increase in proportion to dose. Combined results of all multiple-dose studies with similar durations of sample collection indicate no dose-related differences for any pharmacokinetic parameters from 3 to 12 mg/kg. As observed in the present study, no dose-related differences exist for teicoplanin total and renal clearances from 3 to 30 mg/kg. However, at 30 mg/kg, a significant decrease in the steady-state volume of distribution is observed. As a consequence of the reduction in the volume of distribution at 30 mg/kg with no change in clearance, the terminal disposition half-life is decreased. |
| Starting Page | 115 |
| File Format | |
| ISSN | 10986596 |
| e-ISSN | 10986596 |
| Journal | Antimicrobial Agents and Chemotherapy |
| Issue Number | 1 |
| Volume Number | 36 |
| Language | English |
| Publisher Date | 1992-01-01 |
| Access Restriction | Open |
| Subject Keyword | Research in Higher Education |
| Content Type | Text |
| Resource Type | Article |
| Subject | Infectious Diseases Pharmacology Pharmacology (medical) |
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