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Bioanalytical method development and validation of memantine in human plasma by high performance liquid
Ravi Kumar Konda1, B R Challa, Babu Rao Chandu
1Department of Pharmaceutical Chemistry, Hindu College of Pharmacy, Amaravathi Road, Guntur, Andhrapradesh 522002, India.
Abstract:
A simple, sensitive, and rapid HPLC-MS/MS method was developed and validated for quantitative estimation of memantine in human plasma. Chromatography was performed on Zorbax SB-C(18) (4.6 × 75 mm, 3.5 μm) column. Memantine (ME) and internal standard Memantine-d6(MED6) were extracted by using liquid-liquid extraction and analyzed by LC-ESI-MS/MS using multiple-reaction monitoring (MRM) mode. The assay exhibited a linear dynamic range of 50.00-50000.00 pg/ml for ME in human plasma. This method demonstrated an intra- and interday precision within the range of 2.1-3.7 and 1.4-7.8%, respectively. Further intra- and interday accuracy was within the range of 95.6-99.8 and 95.7-99.1% correspondingly. The mean recovery of ME and MED6 was 86.07 ± 6.87 and 80.31 ± 5.70%, respectively. The described method was successfully employed in bioequivalence study of ME in Indian male healthy human volunteers under fasting conditions.
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