Validated HPLC‐UV method for amphotericin B quantification in a critical patient receiving AmBisome and treated with extracorporeal replacement therapies

Abstract Amphotericin B (AMB) is a polyene macrolide antifungal agent used for treating invasive fungal infections. Liposomal AMB is a lipid dosage form, available as AmBisome, which reduces the toxicity of the drug. A simple HPLC‐UV method was developed for the determination of AMB in plasma to stu...

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Bibliographic Details
Published in:Biomedical chromatography 2023-12, Vol.37 (12), p.e5749-e5749
Main Authors: Ezquer‐Garin, Carlos, Aguilar, Gerardo, Ferriols‐Lisart, Rafael, Alos‐Almiñana, Manuel
Format: Article
Language:English
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Summary:Abstract Amphotericin B (AMB) is a polyene macrolide antifungal agent used for treating invasive fungal infections. Liposomal AMB is a lipid dosage form, available as AmBisome, which reduces the toxicity of the drug. A simple HPLC‐UV method was developed for the determination of AMB in plasma to study its pharmacokinetic profile in a critical patient receiving AmBisome and treated with extracorporeal replacement therapies. Sample preparation was performed using plasma deproteinization and drug release from liposome by the addition of acetonitrile (ACN)/zinc sulfate and ultrasonication. Chromatographic separation was performed using a C18 column and a mobile phase consisting of phosphate buffer (pH 3.0)/ACN (65/35, v/v). The UV detector was set at 407 nm. The total run time analysis was 23 min. The method was validated according to the standard guidelines and applied to study the pharmacokinetics of AMB in a critical patient. The total run time analysis obtained was shorter than that of the previously reported methods, being useful for therapeutic drug monitoring or pharmacokinetic profile research.
ISSN:0269-3879
1099-0801
DOI:10.1002/bmc.5749