4.3 Article

Making the most of surveillance studies: summary of the OPTAMA Program

Journal

DIAGNOSTIC MICROBIOLOGY AND INFECTIOUS DISEASE
Volume 53, Issue 4, Pages 281-287

Publisher

ELSEVIER SCIENCE INC
DOI: 10.1016/j.diagmicrobio.2005.10.004

Keywords

OPTAMA program; cumulative fraction of response; MYSTIC; meropenem; susceptibility

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Antibiotic surveillance studies lack consideration of phannacodynamics and provide little information about optimal dosing. By using minimum inhibitory concentration (MIC) data derived from a global surveillance study and Monte Carlo simulation, the Optimizing Pharmacodynamic Target Attainment using the MYSTIC Antibiogram (OPTAMA) Program was established to impart greater understanding of the ability to attain pharmacodynamic exposure for specific dosing regimens and their relationship with percent susceptibility. Early OPTAMA studies focused on determining the cumulative fraction of response (CFR) for various antibiotics against Escherichia coli, Klebsiella pneumoniae, Acinetobacter baumannii, and Pseudomonas aeruginosa regionally in Europe and the Americas. Later reports considered the prevalence of specific bacteria causing infections to estimate the CFR for empiric therapy of pneumonia, bloodstream, complicated skin/skin structure, and intra-abdominal infections. Collectively, the approach of the OPTAMA Program provides a novel tool that complements susceptibility data to help in the selection of appropriate empirical antibiotic therapy at the national, regional, and institutional level. (c) 2005 Elsevier Inc. All rights reserved.

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