J Biomed Transl Res.
2018 Dec;19(4):130-139. 10.12729/jbtr.2018.19.4.130.
Development and validation of LC-MS/MS for bioanalysis of hydroxychloroquine in human whole blood
- Affiliations
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- 1Department of Applied Chemistry, Daejeon University, Daejeon 34520, Korea.
- 2Clinical & Bio Research Center, Korea Pharmaceutical Test & Research Institute (KPTR), Seoul 07806, Korea.
- 3Department of Marine Molecular Bioscience, College of Life Science, Gangneung-Wonju National University, Gangneung 25457, Korea. ssj66@gwnu.ac.kr
- KMID: 2435750
- DOI: http://doi.org/10.12729/jbtr.2018.19.4.130
Abstract
- This study aimed to analyze a high-performance liquid chromatography (HPLC) separation using a pentafluorophenyl column of parent drug hydroxychloroquine (HCQ) and its active metabolite, desethylhydroxchloroquine (DHCQ) applying to determine bioequivalence of two different formulations administered to patients. A rapid, simple, sensitive and specific liquid chromatography-tandem mass spectrometry (LC-MS/MS) method has been developed and validated for bioanalysis of HCQ and its metabolite DHCQ in human whole blood using deuterium derivative hydroxychloroquine-D₄ as an internal standard (IS). A triple-quadrupole mass spectrometer was operated using electrospray ionization in multiple reaction monitoring (MRM) mode. Sample preparation involves a two-step precipitation of protein techniques. The removed protein blood samples were chromatographed on a pentafluorophenyl (PFP) column (50 mm × 4.6 mm, 2.6 μm) with a mobile phase (ammonium formate solution containing dilute formic acid) in an isocratic mode at a flow rate of 0.45 mL/min. The standard curves were found to be linear in the range of 2 - 500 ng/mL for HCQ; 2 - 2,000 ng/mL for DHCQ in spite of lacking a highly sensitive MS spectrometry system. Results of intra- and inter-day precision and accuracy were within acceptable limits. A run time of 2.2 min for HCQ and 2.03 min for DHCQ in blood sample facilitated the analysis of more than 300 human whole blood samples per day. Taken together, we concluded that the assay developed herein represents a highly qualified technology for the quantification of HCQ in human whole blood for a parallel design bioequivalence study in a healthy male.
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