Abstract：
:MB07133 is an intravenously administered cytarabine mononucleotide (araCMP) prodrug, for the treatment of hepatocellular carcinoma (HCC). A simple, selective and sensitive HPLC-MS/MS method using high pressure liquid chromatography (HPLC) coupled to triple-quadrupole mass spectrometer, was developed and validated for the detection of prodrug MB07133 and its metabolites, cytarabine (araC) and arabinofuranosyluracil (araU) in rat plasma. Protein precipitation using 3% trichloroacetic acid (TCA) was employed to extract analytes from 100μL rat plasma. Adequate separation of araC and araU from their endogenous compounds was achieved on the Synergi(®) fusion-RP column (150mm×4.6mm, 4μm) by a gradient-elution with a mobile phase consisting of ammonium formate (1mM) and methanol at a flow rate of 1mL/min. Multiple reaction monitoring mode (MRM) was applied in the detection of MB07133, araC, araU and Ganciclovir (internal standard) with ion pairs 441.2/330.2, 244.2/112.2, 245.2/113.2 and 256.1/152.2, respectively. The assays were validated with respect to specificity, linearity (100-50000ng/mL for MB07133, 2-1000ng/mL for araC and araU), accuracy and precision, extraction recovery, matrix effect and stability. The validated method has been successfully applied to an intravenous bolus pharmacokinetic study of MB07133 in male Sprague-Dawley rats (18mg/kg i.v.).
journal_name
J Pharm Biomed Analjournal_title
Journal of pharmaceutical and biomedical analysisauthors
Wang D,Xiao Q,Yang W,Qian W,Yang Jdoi
10.1016/j.jpba.2015.12.049subject
Has Abstractpub_date
2016-02-20 00:00:00pages
228-34eissn
0731-7085issn
1873-264Xpii
S0731-7085(15)30315-0journal_volume
120pub_type
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