Please use this identifier to cite or link to this item: https://doi.org/10.4155/bio.13.143
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dc.titleA simple assay for determination of levetiracetam in rat dried blood spots by LC-MS/MS
dc.contributor.authorLuo, W.
dc.contributor.authorKong, S.T.
dc.contributor.authorYang, S.
dc.contributor.authorChan, B.C.W.
dc.contributor.authorHo, P.C.
dc.date.accessioned2014-10-29T01:47:52Z
dc.date.available2014-10-29T01:47:52Z
dc.date.issued2013-08
dc.identifier.citationLuo, W., Kong, S.T., Yang, S., Chan, B.C.W., Ho, P.C. (2013-08). A simple assay for determination of levetiracetam in rat dried blood spots by LC-MS/MS. Bioanalysis 5 (15) : 1843-1851. ScholarBank@NUS Repository. https://doi.org/10.4155/bio.13.143
dc.identifier.issn17576180
dc.identifier.urihttp://scholarbank.nus.edu.sg/handle/10635/105594
dc.description.abstractBackground: A simple LC-MS/MS method was developed and validated for the quantification of levetiracetam (LEV, Keppra®), a broad-spectrum antiepileptic drug (AED) in rat dried blood spots (DBS). LEV was simply extracted with methanol spiked with adenosine (ADE) as IS before LC-MS/MS analysis. The correlation between the DBS and plasma concentrations of LEV was also determined. Results: Linearity was from 0.067-60 μg/ml for LEV in DBS samples. The intra- and inter-day accuracy and precision of the assay met validation acceptance criteria. The developed assay was applied to monitor levetiracetam DBS levels in Sprague-Dawley rats after intravenous administration. DBS concentrations were well correlated to the plasma concentrations (R2 = 0.9399), as fraction of LEV bound to blood cells remains very constant (0.466 ± 0.041) over a wide concentration range. Conclusion: The study illustrated that DBS could be used as alternative matrix for monitoring LEV in preclinical studies. © 2013 Future Science Ltd.
dc.description.urihttp://libproxy1.nus.edu.sg/login?url=http://dx.doi.org/10.4155/bio.13.143
dc.sourceScopus
dc.typeArticle
dc.contributor.departmentPHARMACY
dc.description.doi10.4155/bio.13.143
dc.description.sourcetitleBioanalysis
dc.description.volume5
dc.description.issue15
dc.description.page1843-1851
dc.identifier.isiut000325766900012
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