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Journal of Antimicrobial Chemotherapy, Vol 39, 789-796, Copyright © 1997 by The British Society for Antimicrobial Chemotherapy

JOURNAL ARTICLE

The pharmacokinetics of teicoplanin in infants and children

MD Reed, TS Yamashita, CM Myers and JL Blumer
Rainbow Babies and Children's Hospital, Department of Paediatrics, School of Medicine, Case Western Reserve University, Cleveland, OH 44106-5000, USA.

The pharmacokinetics of teicoplanin were assessed after a single dose and under multidose conditions in 12 infants and children. Study patients ranged in age from 2.4 to 11 years. Each patient received teicoplanin 6 mg/kg body weight given intravenously over 20-30 min, once daily for five consecutive days. Multiple timed blood and urine samples were obtained over the 6 day sampling period and were analysed for teicoplanin by both microbiological assay and HPLC. Three- compartment pharmacokinetic analysis was used to describe the drug's disposition characteristics. Peak and 24 h trough serum teicoplanin concentrations averaged 39.3 and 1.8 mg/L after the first dose with little accumulation observed after 5 days of therapy. Teicoplanin disposition was variable; V(d)ss ranged from 0.31 to 0.68 L/kg, t(1/2)gamma from 6.5 to 18.1 h and CI from 29 to 51 mL/h/kg. A substantial amount of the administered drug distributed rapidly to the largest, third compartment, with egress approximately four-fold slower than ingress. The majority of the drug was excreted unchanged in the urine. Teicoplanin administration was well tolerated by all study subjects. Using the teicoplanin pharmacokinetic data derived in our study, a dose of teicoplanin 8 mg/kg body weight administered every 12 h should achieve target serum trough concentrations averaging 11 mg/L in children. Higher doses, e.g. 15 mg teicoplanin/kg administered every 12 h, may be needed for the treatment of deep-seated staphylococcal infections and/or endocarditis.
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A. Sanchez, J. Lopez-Herce, E. Cueto, A. Carrillo, and R. Moral
Teicoplanin pharmacokinetics in critically ill paediatric patients
J. Antimicrob. Chemother., September 1, 1999; 44(3): 407 - 409.
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