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Antineoplastic drugs determination by HPLC‐HRMS n to monitor occupational exposure
Author(s) -
Dal Bello Federica,
Santoro Valentina,
Scarpino Valentina,
Martano Chiara,
Aigotti Riccardo,
Chiappa Alberta,
Davoli Enrico,
Medana Claudio
Publication year - 2016
Publication title -
drug testing and analysis
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.065
H-Index - 54
eISSN - 1942-7611
pISSN - 1942-7603
DOI - 10.1002/dta.1827
Subject(s) - chromatography , chemistry , detection limit , high performance liquid chromatography , analyte , electrospray ionization , derivatization , ion suppression in liquid chromatography–mass spectrometry , mass spectrometry , orbitrap , sample preparation , solid phase extraction , tandem mass spectrometry
The purpose of this study was to develop a simple, direct, multiresidue highly specific procedure to evaluate the possible surface contamination of selected antineoplastic drugs in several hospital environment sites by using wipe test sampling. 5‐fluorouracil (5‐FU), carboplatin (C‐Pt), cyclophosphamide (CYC), cytarabine (CYT), doxorubicin (DOX), gemcitabine (GEM), ifosfamide (IFO), methotrexate (MET), and mitomycin C (MIT) belong to very different chemical classes but show good ionization properties under electrospray ionization (ESI) conditions (negative ion mode for 5‐FU and positive ion mode in all other cases). HPLC (high performance liquid chromatography) coupled with HRMS (high resolution mass spectrometry) appears to be the best technique for direct analysis of these analytes, because neither derivatization nor complex extraction procedure for polar compounds in samples is requested prior the analysis. Sample preparation was limited to washing wipes with appropriate solvents. Chromatographic separation was achieved on C18 reversed phase columns. The HPLC‐HRMS/MS method was validated in order to obtain robustness, sensitivity and selectivity. LLOQ (lower limit of quantitation) values provided a sensitivity good enough to evidence the presence of the drugs in a very low concentration range (<1 pg/cm 2 ). The method was applied for a study of real wipe tests coming from many areas from a hospital showing some positive samples. The low quantitation limits and the high specificity due to the high resolution approach of the developed method allowed an accurate description of the working environment that can be used to define procedural rules to limit working place contamination to a minimum. Copyright © 2015 John Wiley & Sons, Ltd.