Bioanalytical Method Development and Validation of Empagliflozin by LC–MS/MS Method and Quantitative Estimation of Drug Concentration in Human Plasma

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Ramesh Dhani

Abstract

Objective: The objective of this work is to develop rapid, selective, and sensitive liquid chromatography
tandem–mass spectrometry (LC–MS/MS) method for the quantitative estimation of empagliflozin. Sample
and standard solutions were prepared using methanol. Methodology: The chromatographic separation was
achieved with X Bridge C18 column (75 mm × 4.6 mm, 3.5 μ) using a mobile phase composition of acetonitrile
and 10 mM ammonium bicarbonate (70:30 V/V) at a flow rate of 0.8 mL/min with a run time of 2.40 min.
The method showed good linearity in the range of 2–1000 ng/mL with correlation coefficient (r) of >0.9998.
Results: The % CV of peak area ratio (analyte area/ISTD area) and % CV of retention times for analyte and
ISTD were within the acceptance criteria. There was no significant carry over observed during this experiment.
All the investigated human plasma lots were found to be free of significant interferences at the retention time
of drug and ISTD. The intra- and inter-day precision values for empagliflozin comply with the acceptance
criteria. The battery of stability studies, namely, bench-top, freeze-thaw, and long-term stability was performed.
All the stability studies showing the % C.V. of area responses for the replicate injections should be within
15%. Conclusion: The developed method was very simple, precise, reliable, sensitive, and robustness. The
retention time takes less time consumption and high sensitivity, the method applicable for routine analysis and
bioanalysis.

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How to Cite
Dhani, R. (2021). Bioanalytical Method Development and Validation of Empagliflozin by LC–MS/MS Method and Quantitative Estimation of Drug Concentration in Human Plasma. Asian Journal of Pharmaceutics (AJP), 15(2). https://doi.org/10.22377/ajp.v15i2.4103
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ORIGINAL ARTICLES