Abstract
Macrolides and azalides have been widely utilized in clinical practice. With the increased use of these agents over the past two decades an accompanied increase in bacterial resistance as defined by laboratory based criteria has been observed. As a result, new derivatives have been introduced or are under development to overcome this emerging resistance. As the chemical structure of the macrolides progressed to the azalides and then ketolides, convenient once-daily oral dosing regimens and enhanced antibacterial activity over the earlier generation macrolides contributed to their widespread use for the treatment of community-acquired respiratory tract infections. As a result of the high penetration into respiratory tract tissues/fluids, the post antibiotic effect, uptake into white blood cells, and their immunomodulatory properties as well as their pharmacodynamic profile, the newer generation macrolides and azalides continue to be used in clinical practice with a high level of treatment success. Despite escalating macrolide resistance in target pathogens, the commercial withdrawal of telithromycin due to drug-related toxicities has tempered the development of new ketolides. The aims of this chapter are to provide principles to understand pharmacokinetic and pharmacodynamic properties of these agents and to provide insights supporting the application of this knowledge in clinical practice.
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So, W., Nicolau, D.P. (2016). Pharmacodynamics of Macrolides, Azalides, and Ketolides. In: Rotschafer, J., Andes, D., Rodvold, K. (eds) Antibiotic Pharmacodynamics. Methods in Pharmacology and Toxicology. Humana Press, New York, NY. https://doi.org/10.1007/978-1-4939-3323-5_14
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