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Combinatorial Chemistry & High Throughput Screening

Editor-in-Chief

ISSN (Print): 1386-2073
ISSN (Online): 1875-5402

Research Article

Synchronized Fast SPE and UFLC Methods for the Analyses of Eight Antidiabetic Drugs in Human Plasma

Author(s): Imran Ali, Kamlesh K. Dutta, Arvind K. Jain, Zeid A. Alothman and Abdulrahman Alwarthan

Volume 20, Issue 3, 2017

Page: [208 - 214] Pages: 7

DOI: 10.2174/1386207319666161220123655

Price: $65

Abstract

Aim and Objective: The population of diabetic patients is rapidly increasing globally. The treatment of these patients is a complex phenomenon due to the use of the different drugs. The present article reports a synchronized fast SPE-UFLC separation of eight antidiabetic drugs in human plasma. Inexpensive solid phase extraction (SPE) and ultra fast liquid chromatography (UFLC) methods were presented for monitoring of eight antidiabetic drugs in human plasma. The separated drugs include metformin HCl, vildagliptin, gliclazide, linagliptin, sitagliptin, pioglitazone, glimepiride and repaglinide plasma sample.

Material and Method: The column used was a Sunshell C18 (150 x 4.6 mm, 2.6 μm) with eluent of acetate buffer (0.05% TEA in 0.05 M NH4Ac of pH 7.0 with H 3PO4) - ACN (60 : 40, v/v). The flow rate was 1.0 mL/min with a detection wavelength of 210 nm and column temp. of 45±1ºC. These drugs were extracted from human plasma using Sep-Pac C18 cartridge. Phosphate buffer (25 mM; pH 7.0) containing these drugs were allowed to pass through cartridge at 0.1 mL/min flow rate. The adsorbed drugs on C18 cartridge were eluted by methanol at 1.0 mL/min flow rate.

Results: The values for the retention, separation and resolution factors were ranged from 0.072 to 9.140, 1.443 to 4.208 and 2.147 to 18.652, correspondingly. The percent recoveries for these drugs in the standard laboratory samples prepared in water ranged from 77 to 88%. These values in plasma samples ranged from 10 to 22%.

Conclusion: The validated method was fruitfully adopted to analyze these drugs in human plasma for the clinical monitoring of these drugs.

Keywords: UFLC, SPE, human plasma, antidiabetic drugs, sunshell.


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