Abstract
Aim: Dihydroartemisinin (DHA) was also found therapeutic potential for the treatment of systemic lupus erythematosus (SLE). To assess the pharmacokinetic profile of DHA, the concentration of DHA in plasma of SLE patients needed be accurately determined based on a rapid and reliable analytical method. Experimental method & results: Developed method utilizes stable isotope-labeled internal standards and SPEmethod for sample preparation, applied XBridge C18 column (2.1×50mm, 3.5μm) for chromatography separation. Detection of the analytes was achieved by an AB Sciex 4000 mass spectrometer under positive electrospray ionization mode. The method was validated in accordance with international guidelines on bioanalytical methods validations. Conclusion: DHA concentrations in human plasma of Chinese SLEpatients were quantified by developed LC-MS/MS (no. 2016L02562).
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