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Journal

2014 | 9 | 3 | 485-490

Article title

Clinical pharmacokinetics in optimal gentamicin dosing regimen in neonates

Content

Title variants

Languages of publication

EN

Abstracts

EN
Gentamicin is readily used for suspected or proven sepsis in neonates, yet it shows considerable inter-individual pharmacokinetic variability, which limits achievements of therapeutic levels. Hence, the aim of this study was to compare peak and trough gentamicin concentrations according to dosing regimen, to evaluate pharmacokinetic parameters, and to consider adjustments of dosing regimen. Babies with infection were treated with 1 h infusion, and daily dose of 5 or 7.5 mg/kg depending on the age. Patients were randomized into two groups: I - dosing interval 12 h (n=8), II - 24 h (n=11). Two steady-state blood samples were obtained. Pharmacokinetic parameters were calculated using one-compartment model. The results showed a difference (p<0.05) in peak gentamicin concentrations between the groups, and tendency of lower trough levels in the group II. Calculated pharmacokinetic parameters included the volume of distribution (Vd) 0.52±0.47 l/kg, clearance (CL) 0.055±0.036 l/hkg and a half-life (t1/2) of 6.89±3.21 h. Based on the method for dosing regimen adjustments, there was a need to extend dosing interval to 36 h in 6 patients

Publisher

Journal

Year

Volume

9

Issue

3

Pages

485-490

Physical description

Dates

published
1 - 6 - 2014
online
8 - 7 - 2014

Contributors

  • Department of Pharmacokinetics and Clinical Pharmacy, University of Belgrade, Faculty of Pharmacy, Belgrade, Serbia
  • Institute for Mother and Child Health Care of Serbia “Dr Vukan Čupić”, Belgrade, Serbia
  • Department of Pharmacokinetics and Clinical Pharmacy, University of Belgrade, Faculty of Pharmacy, Belgrade, Serbia
  • Department of Pharmacokinetics and Clinical Pharmacy, University of Belgrade, Faculty of Pharmacy, Belgrade, Serbia
  • Department of Pharmacology, Clinical Pharmacology and Toxicology, University of Belgrade School of Medicine, Belgrade, Serbia

References

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Document Type

Publication order reference

Identifiers

YADDA identifier

bwmeta1.element.-psjd-doi-10_2478_s11536-013-0298-7
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