Population Pharmacokinetics of Anti-infectives in Critically Ill Children

Concentrations and effects of anti-infectives in critically ill children are unpredictable and the risk of under-exposure may be associated with poor clinical outcomes. In addition, between-subject variability (BSV) is known to be substantial in critically ill children. Rationalisation of anti-infectives in children is therefore desirable. The investigators aim to investigate, using a population approach, the pharmacokinetics (PK) and pharmacodynamics (PD) of anti-infectives including PK/PD targets (fT(%) \> minimal inhibitory concentration (MIC)) and PD endpoints (clinical outcomes) in critically ill children. Covariates The effects of covariates on anti-infectives PK and PK/PDs are investigated in order to better explain the BSV and to ultimately suggest individualized dosage regimens. It will be a prospective PK study including 11 anti-infectives antibiotics. Six blood samples were taken from each patient during dosing interval. The primary PK/ PD targets were anti-infectives concentrations above the MIC of the pathogen at both 50% (50% f T\>MIC) and 100% (100% f T\>MIC) of the dosing interval. The investigators used skewed logistic regression to describe the effect of anti-infectives exposure on patient outcome.

This description comes directly from the study's public registry record.

Oualha Mehdi, MD,PhD  ·  +33171196082  ·  mehdi.oualha@nck.aphp.fr

Laure Choupeaux  ·  +33 1 44 38 17 11  ·  laure.choupeaux@aphp.fr

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