Validated liquid chromatography mass spectrometry method for quantitative determination of strictosamide in dog plasma and its application to pharmacokinetic study

  • Chen Dai
  • , Wei Xiao
  • , Yan Liang
  • , Lin Xie
  • , Guangji Wang
  • , Gang Ding
  • , Zhaoqing Meng
  • , Juan Zhang
  • , Tianye Guan
  • , An Kang
  • , Xiao Zheng
  • , Tong Xie
  • , Chunzhu Li
  • , Qijin Zhao
  • , Wenjun Liu
  • , Li Zhao
  • , Jia Xu

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

A simple, sensitive and specific high-performance liquid chromatography mass spectrometry (LC-MS) method was developed and validated for the quantification of strictosamide in dog plasma. Strictosamide and internal standard (IS, ranolazine) extracted by liquid-liquid extraction with ethyl acetate were separated on a C18 column using a gradient elution program. The detection was performed by selected ion monitoring mode via a positive electrospray ionization interface. The LLOQ was 1.0ng/mL and the method exhibited acceptable precision, extraction efficiency and matrix effect. Finally, this proposed method was successfully applied to dog pharmacokinetic study and yielded the most comprehensive data on systemic exposure of strictosamide to date.

Original languageEnglish
Pages (from-to)1338-1342
Number of pages5
JournalBiomedical Chromatography
Volume25
Issue number12
DOIs
StatePublished - Dec 2011
Externally publishedYes

Keywords

  • LC-MS
  • Pharmacokinetic study
  • Strictosamide

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