Development and validation of an UPLC-ESI-MS/MS method for simultaneous quantification of antineoplastic agents and their metabolites in human plasma after unintentional exposure.
Eline Verscheure, Ilana Struys, Matteo Creta, Katrien Poels, Jeroen Vanoirbeek, Liesbeth Lenaerts, Frédéric Amant, Manosij Ghosh, Lode Godderis
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引用次数: 0
Abstract
Cyclophosphamide, daunorubicin, epirubicin, doxorubicin and paclitaxel are commonly used drugs in cancer treatment. However, there are no methods available enabling simultaneous measurement of these compounds and their metabolites in human plasma. Our aim was to develop and validate a sensitive method for simultaneous quantification of multiple antineoplastic drugs and their major metabolites in plasma. Solid phase extraction with Oasis PRiME HLB cartridges was used for sample clean-up. The samples were separated on an Acquity UPLC BEH C18 column, ionised by electrospray ionisation and detected with tandem mass spectrometry. The method was validated based on selectivity, extraction efficiency, matrix effect, process efficiency, linearity, sensitivity, precision and accuracy. The established LLOQs were 0.05 ng/mL (cyclophosphamide), 30 ng/mL (4-oxo-cyclophosphamide), 0.3 ng/mL (doxorubicin, daunorubicinol), 0.7 ng/mL (epirubicin, epirubicinol, doxorubicinol), 1 ng/mL (daunorubicin and paclitaxel) and 5 ng/mL (6-alpha-hydroxypaclitaxel). Afterwards, the method was tested in a real-life, unintentional exposure setting. Twenty-two plasma samples of matched maternal and cord blood pairs from pregnant cancer patients treated with chemotherapy were analysed. This resulted in two positive samples, with cyclophosphamide concentrations up to 0.37 ng/mL. The validated method is now ready to be applied in the field.
期刊介绍:
Archives of Toxicology provides up-to-date information on the latest advances in toxicology. The journal places particular emphasis on studies relating to defined effects of chemicals and mechanisms of toxicity, including toxic activities at the molecular level, in humans and experimental animals. Coverage includes new insights into analysis and toxicokinetics and into forensic toxicology. Review articles of general interest to toxicologists are an additional important feature of the journal.