Population Pharmacokinetic Study of Ceftriaxone in Elderly Patients, Using Cystatin C-Based Estimates of Renal Function To Account for Frailty

Author:

Tan Shu Jin12,Cockcroft Matthew3,Page-Sharp Madhu4,Arendts Glenn3,Davis Timothy M. E.3ORCID,Moore Brioni R.34,Batty Kevin T.4,Salman Sam3ORCID,Manning Laurens13

Affiliation:

1. Department of Infectious Diseases, Fiona Stanley Hospital, Murdoch, Western Australia, Australia

2. Department of Infectious Diseases, Royal Perth Hospital, Perth, Western Australia, Australia

3. Faculty of Medicine and Health Sciences, University of Western Australia, Perth, Western Australia, Australia

4. School of Pharmacy and Biomedical Sciences, Curtin University, Perth, Western Australia, Australia

Abstract

Ceftriaxone is widely used for respiratory and urinary infections in elderly and frail patients, but there are few pharmacokinetic studies. A prospective population pharmacokinetic study of ceftriaxone in adults over 65 years old was undertaken. Dried blood spots collected at baseline (predose) and 0.5, 1, 4, 8, and 24 h after administration of 1 g of ceftriaxone were assayed using a validated liquid chromatography-mass spectroscopy analytical method. Frailty was classified using the Edmonton frailty scale and grip strength via a hand dynamometer.

Funder

Department of Health | National Health and Medical Research Council

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference38 articles.

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3. World Health Organization. 2015. WHO model list of essential medicines, 19th list (April 2015). WHO, Geneva, Switzerland.

4. Cephalosporin MIC creep among gonococci: time for a pharmacodynamic rethink?

5. Conserving antibiotics for the future: New ways to use old and new drugs from a pharmacokinetic and pharmacodynamic perspective

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