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Bioequivalence and pharmacokinetic comparison of two fixed dose combination of Metformin/Glibenclamide formulations in healthy subjects under fed condition
Article in English | WPRIM (Western Pacific) | ID: wpr-825610
Responsible library: WPRO
ABSTRACT
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Aim:

This study is conducted to compare the pharmacokinetic profiles of two fixed dose combination of metformin/glibenclamide tablets (500mg/5 mg per tablet). Materials and

Methods:

This is a single-center, single-dose, open-label, randomized, 2-treatment, 2-sequence and 2- period crossover study with a washout period of 7 days. All 28 adult male subjects were required to fast for at least 10 hours prior to drug administration and they were given access to water ad libitum during this period. Thirty minutes prior to dosing, all subjects were served with a standardized high-fat and high-calorie breakfast with a total calorie of 1000 kcal which was in accordance to the EMA Guideline on the Investigation of Bioequivalence. Subsequently, subjects were administered either the test or reference preparation with 240mL of plain water in the first trial period. During the second trial period, they received the alternate preparation. Plasma levels of glibenclamide and metformin were analysed separately using two different high performance liquid chromatography methods.

Results:

The 90% confidence interval (CI) for the ratio of the AUC0-t, AUC0-∞, and Cmax of the test preparation over those of the reference preparation were 0.9693–1.0739, 0.9598– 1.0561 and 0.9220 – 1.0642 respectively. Throughout the study period, no serious drug reaction was observed. However, a total of 26 adverse events (AE)/side effects were reported, including 24 that were definitely related to the study drugs, namely giddiness (n=17), while diarrheoa (n=3), headache (n=2) and excessive hunger (n=2) were less commonly reported by the subjects.

Conclusion:

It can be concluded that the test preparation is bioequivalent to the reference preparation.

Full text: Available Database: WPRIM (Western Pacific) Type of study: Controlled clinical trial / Practice guideline Language: English Journal: The Medical Journal of Malaysia Year: 2020 Document type: Article
Full text: Available Database: WPRIM (Western Pacific) Type of study: Controlled clinical trial / Practice guideline Language: English Journal: The Medical Journal of Malaysia Year: 2020 Document type: Article
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