A GAS-CHROMATOGRAPHIC ASSAY-METHOD FOR BUSULFAN WITH SENSITIVITY FOR TEST DOSE THERAPEUTIC MONITORING

被引:17
作者
BURNS, RB
HEGGIE, JR
EMBREE, L
机构
[1] UNIV BRITISH COLUMBIA,FAC PHARMACEUT SCI,DIV PHARMACEUT CHEM,VANCOUVER,BC V6T 1Z3,CANADA
[2] BRITISH COLUMBIA CANC AGCY,DIV MED ONCOL,OPERAT LAB,VANCOUVER,BC V5Z 4E6,CANADA
关键词
BUSULFAN; GC/ECD; TEST DOSE; THERAPEUTIC DRUG MONITORING;
D O I
10.1016/0731-7085(95)01342-I
中图分类号
O65 [分析化学];
学科分类号
070302 ; 081704 ;
摘要
A gas-chromatographic assay method was developed and validated for determination of busulfan in human plasma for test dose therapeutic drug monitoring. Busulfan and the internal standard (1,6-bis-(methanesulfonyloxy)hexane) were extracted from plasma samples and derivatized with 2,3,5,6-tetrafluorothiophenol prior to gas chromatographic determination. The Ni-63 electron-capture detector provided a limit of quantitation of 0.0100 mu g ml(-1) busulfan in plasma with a linear response over the concentration range 0.0100-0.400 mu g ml(-1) Extraction and derivatization yields were 85.3%-91.0% and greater than 95%, respectively. Assay specificity for busulfan in the presence of potential metabolites was demonstrated. Potentially co-administered drugs gave no response under the sample preparation and chromatographic conditions described for quantification of busulfan. The applicability;of this assay to the individualization of busulfan therapy based on a 2 mg test dose is discussed.
引用
收藏
页码:1073 / 1078
页数:6
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