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High pyridine generation in ceftazidime-icodextrin admixtures used to treat peritoneal dialysis-associated peritonitis
Purpose: To investigate the amount of pyridine generated from degradation of ceftazidime in icodextrin peritoneal dialysis (PD) solutions.
Methods: PD solutions that contained 1 and 1.5 g of ceftazidime were stored at 25 °C for 12 hours and then at 37 °C for 14 hours. An aliquot was withdrawn at predefined time points and analyzed for the concentrations of ceftazidime and pyridine.
Findings: The amount of pyridine generated was >225% and 400% of its maximum recommended daily exposure in the 1- and 1.5-g ceftazidime-PD admixtures, respectively.
Implications: Until these results are confirmed with appropriate in vivo studies, intermittent intraperitoneal dosing of ceftazidime admixed with icodextrin should be used with caution and appropriate clinical monitoring or a suitable alternative antibiotic should be used.
Royal Hobart Hospital Research Foundation
Publication titleClinical Therapeutics
Department/SchoolSchool of Pharmacy and Pharmacology
PublisherExcerpta Medica Inc
Place of publication650 Avenue Of The Americas, New York, USA, Ny, 10011
Rights statementCopyright 2019 Elsevier Inc.