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Bio analytical method development and validation for Ezetimibe and Pitavastain and its applications to pharmacokinetic studies in Rabbit plasma by using LCMS/MS

For the gradation of Ezetimibe and Pitavastain in rabbit plasma, a highly sensitive and simple LC-MS/MS assay was developed and witnessed. The chromatographic conditions are isocratic with a waters symmetry C18 (150 x 4.6 mm, 3.5) column in isocratic mode. The detection was carried out using a mobile phase of 0.1 percent formic acid and 60:40 acetonitrile, and the detection was carried out using MS in a positive mode of electrospray ionisation. The valid approach was checked with a linear range of 10-200 ng/ml Ezetimibe and 2-40 ng/ml Pitavastain. The intraday and interday precision values were found to be within reasonable limits. The liquid extraction process is used to remove these drugs from rabbit plasma. And these drugs have been shown to be stable in freeze-thaw, autosampler, and benchtop tests in the future. The fluid chromatography coupled mass spectrometry strategy was approved by the US Food and Drug Administration for quantification of Ezetimibe and Pitavastain in rabbit plasma using D4–ezetimibe and D4–pitavastain as within norms using LC-MS consolidated with quadrupole spectrometer by electro shower ionisation process. The aim of this study is to evaluate the applicability of this approach to ezetimibe and pitavastain at different evaluation levels while taking into account various factors such as instrument stability, precision, and accuracy, sample preparation techniques, instrument calibration, recovery, and matrix effect by using Ezetimibe and Pitavastain, as well as their internal guidelines.