Basic Pharmacokinetic Principles
2018
The goal of antibiotic
drug developmentis to define optimized dosing regimens that produce maximal therapeutic efficacy with minimal toxic effects.
Pharmacokineticsdescribes the relationship between dose administered and time course of drug concentration and is characterized by systemic input and disposition kinetic processes. An understanding of drug
pharmacokineticsis therefore necessary to optimize drug therapy and provide dose recommendation in populations of interest. Here, we review the basic principles defining drug
pharmacokinetics, followed by an overview of the methods associated with data analysis and parameter estimation. We then briefly explore the pharmacodynamic indices relevant to antibiotic dosing and discuss how physiological alterations in critically ill patients may influence drug
pharmacokinetics. Finally, we provide some examples of
pharmacokineticdosing considerations for specific classes of antibiotic drugs.
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