Determination of donepezil in human plasma using ultra performance liquid chromatography-tandem mass spectrometry
- Authors
- Jeong, H.-C.; Park, J.-E.; Hyun, J.-Y.; Park, M.-K.; Shin, D.-S.; Shin, K.-H.
- Issue Date
- Jun-2018
- Publisher
- Korean Society Clinical Pharmacology and Therapeutics
- Keywords
- Acetylcholinesterase inhibitor; Donepezil; Human plasma; Method validation; UPLC-MS/MS
- Citation
- Translational and Clinical Pharmacology, v.26, no.2, pp.64 - 72
- Journal Title
- Translational and Clinical Pharmacology
- Volume
- 26
- Number
- 2
- Start Page
- 64
- End Page
- 72
- URI
- https://scholarworks.bwise.kr/gachon/handle/2020.sw.gachon/4271
- DOI
- 10.12793/tcp.2018.26.2.64
- ISSN
- 2289-0882
- Abstract
- An ultra performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) method was developed and validated for the quantification of donepezil in human plasma. Donepezil and donepezil-D4 were extracted from human plasma by liquid-liquid extraction using a mixture of hexane and ethyl acetate (70:30 v/v). The extracted samples were analyzed using a Thermo Hyper-sil Gold C18 column with 5% acetic acid in 20 mM ammonium acetate buffer (pH 3.3) and 100% acetonitrile as a mobile phase with the 60:40 (v:v) isocratic method, at a flow rate of 0.3 mL/min. The injection volume was 3 μL, and the total run time was 3 min. Inter-and intra-batch accuracies ranged from 98.0% to 110.0%, and the precision was below 8%. The developed method was successfully applied to the quantification of donepezil in human plasma. The mean (standard deviation) maximum concentration and the median (range) time to maximum concentration were 8.6 (2.0) ng/mL and 2.0 h (1.0~5.0 h), respectively, in healthy Koreans after oral administration of 5 mg donepezil. © 2018 Translational and Clinical Pharmacology.
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