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Current Pharmaceutical Analysis


ISSN (Print): 1573-4129
ISSN (Online): 1875-676X

Research Article

Determination of Imatinib and CGP74588 in Rat Plasma by HPLC and Its Application to a Pharmacokinetic Study

Author(s): Jiamiao Lin, Na Ying, Yanli Wu and Gaotong Lin*

Volume 14, Issue 2, 2018

Page: [133 - 138] Pages: 6

DOI: 10.2174/1573412913666161121105119

Price: $65


Objective: A simple, reliable and specific method of HPLC which was performed on a reversed- phase Agilent SB column was developed for the determination of imatinib and CGP74588.

Method: The mobile phase comprised water-acetonitrile-0.1% trifluoroacetic acid (59:21:20, v/v/v) flowed at the rate of 1 mL/min at 40°C. The detection wavelength was 278nm.

Results: Sensitivity has been illustrated in this method, and a good linear relationship was observed between 0.1-20.00 µg/mL for imatinib with r2=0.9994 and 0.01-2.00 µg/mL for CGP74588 with r2=0.9998 in rat plasma. The relative recoveries of imatinib and CGP74588 were all more than 93%, whilst the absolute recoveries of imatinib and CGP74588 were all more than 75%. Both intra- and inter-day precisions were all less than 4.5% for imatinib and 4.74% for GCP74588. The limits of quantification of these analytic methods were 0.1 µg/mL for imatinib and 0.01 µg/mL for CGP74588.

Conclusion: The method was suitable for studying the pharmacokinetic parameters of imatinib and GCP74588 and routine analysis.

Keywords: HPLC, rat, pharmacokinetics, imatinib, CGP74588, N-desmethyl imatinib.

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