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http://dx.doi.org/10.5806/AST.2009.22.1.101

Bioequivalence of pioglitazone tablet to Actos® tablet (Pioglitazone 30 mg)  

Yeom, Hyesun (College of Pharmacy, Chung-Ang University)
Lee, Tae Ho (College of Pharmacy, Chung-Ang University)
Youm, Jeong-Rok (College of Pharmacy, Chung-Ang University)
Song, Jin-Ho (College of Medicine, Chung-Ang University)
Han, Sang Beom (College of Pharmacy, Chung-Ang University)
Publication Information
Analytical Science and Technology / v.22, no.1, 2009 , pp. 101-108 More about this Journal
Abstract
The bioequivalence of two pioglitazone tablets, Actos$^{(R)}$ tablet (Takeda Chemical Industries, reference drug) and Pioglitazone tablet (Boryung Company, test drug) was evaluated according to the guidelines of Korea Food and Drug Administration. Twenty-eight healthy male Korean volunteers received each medicine (pioglitazone dose of 30 mg) in a $2{\times}2$ crossover study with one week washout interval. After drug administration, blood samples were collected at specific time intervals from 0-36 hours. The plasma concentrations of pioglitazone were determined by high performance liquid chromatography-tandem mass spectrometry (LC-MS/MS). The total chromatographic run time was 5 min and calibration curves were linear over the concentration range of 5-2000 ng/mL for pioglitazone. The method was validated for selectivity, sensitivity, linearity, accuracy and precision. The pharmacokinetic parameters were determined from the plasma concentration-time profiles of both formulations. The primary calculated pharmacokinetic parameters were compared statistically to evaluate bioequivalence between the two preparations. The 90% confidence intervals of the $AUC_t$ ratio and the $C_{max}$ ratio for Pioglitazone tablet and Actos$^{(R)}$ tablet were log0.9422~log1.1040 and log0.9200~log1.1556, respectively. Based on the statistical considerations, we can conclude that the test drug, Pioglitazone tablet was bioequivalent to the reference drug, Actos$^{(R)}$ tablet.
Keywords
pioglitazone; bioequivalence; LC-MS/MS; analytical validation;
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