Xiong Xin, Zhai Suodi
Peking University Third Hospital, Department of Pharmacy, Beijing, 100191, People's Republic of China, and Peking University, Therapeutic Drug Monitoring and Clinical Toxicology Center, Beijing, 100191, People's Republic of China.
J AOAC Int. 2011 Jul-Aug;94(4):1100-5.
An HPLC/MS/MS method for the determination of arbidol in human plasma was developed. Arbidol and internal standard (loratadine) were extracted from alkaline plasma with tert-butyl methyl ether and analyzed on a Zorbax SB C18 column (30 x 2.1 mm id, 3.5 microm particle size). The detection was by monitoring arbidol at m/z 479.1 --> 434.1 and the internal standard at m/z 383.2 --> 337.2. The method was validated according to U.S. Food and Drug Administration guidelines. The calibration curve was linear over the range of 0.5-500 ng/mL using a 100 microL sample volume. The intraday and interday precisions were less than 6.5%, and acceptable values were obtained for accuracy, recovery, and sensitivity. The developed method was selective, simple, sensitive, and easily applicable.
