Carbapenem-resistant Enterobacteriaceae (CRE) are an urgent global public health problem. Patients who were infected caused by CRE bloodstream infection were high mortality up to 40%. The National Antimicrobial Resistance Surveillance Center, Thailand (NARST) reported CRE increased from 1.1% to 17.9%. For carbapenemase producing CRE in Thailand was reported blaNDM 47.33%, blaOXA-48 43.33% and blaNDM+blaOXA-48 6.67%. Tigecycline (TGC) was a glycylcyclines antibiotics. High dose tigecycline (HD-TGC) loading dose 200 mg then TGC 100 mg q 12 h via intravenous improve clinical cure in critically ill patients and reduce mortality in carbapenem resistance Klebsiella pneumoniae bloodstream infection compared with standard dose therapy. TGC has susceptibility to CR-KP 79.6% and has an activity to blaNDM, blaKPC and blaOXA-48 carbapenemase producing CRE. However, TGC has clearance (CL) 0.2-0.3 L/h/kg, and high volume of distribution (vd) 2.8-13 L/kg resulted in low levels of TGC in plasma. Moreover, the pharmacokinetics of TGC in critically ill was limited and inconsistent with the previous study. Now pharmacokinetics-pharmacodynamics index (PK/PD index) of TGC for CRE bloodstream infection was not reported. This study aims to study the population pharmacokinetic and PK-PD index of TGC in patients who were CRE bloodstream infection to increase the success rate of treatment.
Age range
20 Years
Sex
ALL
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rate constant for tigecycline distribution from the central to the peripheral compartment
Timeframe: up to 6 months
rate constant for tigecycline distribution from the peripheral to central the compartment
Timeframe: up to 6 months
elimination rate constant
Timeframe: up to 6 months
intercompartmental clearance
Timeframe: up to 6 months
total clearance
Timeframe: up to 6 months
volume of central compartment
Timeframe: up to 6 months
volume distribution of peripheral compartment
Timeframe: up to 6 months
steady state volume distribution
Timeframe: up to 6 months
Area under the plasma concentration versus time curve (AUC)
Timeframe: up to 6 months
Peak Plasma Concentration (Cmax)
Timeframe: up to 6 months