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Combined thin-layer chromatography—photography—densitometry for the quantification of ifosfamide and its principal metabolites in urine, cerebrospinal fluid and plasma

Lookup NU author(s): Professor Alan Boddy

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Abstract

A method has been devised for the determination of the anticancer drug ifosfamide and its principal metabolites in urine, plasma and cerebrospinal fluid (CSF). The urine and CSF samples are adsorbed onto Amberlite XAD-2 eluting the compounds of interest with methanol. Plasma is deproteinated using cold acetonitrile and centrifuged to yield a clear supernatant. The eluate and supernatant are analyzed by thin-layer chromatography, with spot visualization using 4-(4-nitrobenzyl)pyridine. The plates are photographed for subsequent densitometric analysis. The intra-assay coefficient of variation for each compound in both urine and plasma was less than 10% and the lower limit of detection was 1-mu-g/ml. The method provides a means of determining the full spectrum of metabolic products of ifosfamide in patients and will allow detailed investigations of variability in metabolism and pharmacokinetics of this drug.

Publication metadata

Author(s): Boddy, A. V., Idle, J. R.

Publication type: Article

Publication status: Published

Journal: Journal of Chromatography: Biomedical Applications

Year: 1992

Volume: 575

Issue: 1

Pages: 137-142

Print publication date: 13/03/1992

ISSN (print): 0378-4347

ISSN (electronic): 1873-376X

URL: http://dx.doi.org/10.1016/0378-4347(92)80514-Q

DOI: 10.1016/0378-4347(92)80514-Q

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