Abstract
Piperacillin (PIP) in combination with tazobactam is commonly used for anti-infective treatment in cancer patients. PIP exerts a time-dependent killing. Thus, the maintenance of plasma concentrations above a pre-defined target concentration for a pre-defined time may be relevant for optimal efficacy. It is assumed that PIP-plasma concentrations above the clinical breakpoint of the target pathogen [Pseudomonas aeruginosa, clinical breakpoint at minimal inhibitory concentration (MIC) 16 mg/L] should be reached for 100% of the dosing interval or >4xMIC (64 mg/L) for 50% of the dosing interval. Whereas studies in the intensive-care setting have shown underdosing in patients with sepsis, little is known about PIP-plasma concentrations in cancer patients.
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Identifier
doi: 10.1007/s15010-017-1026-z
PMID: 28516432