INCURRED SAMPLE STABILITY OF METFORMIN HYDROCHLORIDE IN PLASMA OF SIX HEALTHY SUBJECTS USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY

  • Yahdiana Harahap Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, Indonesia.
  • Ferry Ivan Balto Suwanto Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, Indonesia.
  • Sunarsih . Faculty of Pharmacy, Universitas Indonesia, Depok, 16424, Indonesia.

Abstract

Objective: This study aimed to measure metformin levels and evaluates the incurred stability in plasma of six healthy subjects after administration
850 mg metformin hydrochloride tablet using high-performance liquid chromatography.
Methods: Samples were collected from six healthy subjects who were administered 850 mg metformin hydrochloride tablet. Blood was collected from
the subjects at up to 12-time points throughout a 12 h period. Sample stability was analyzed on days 7, 14, and 30. The analysis was conducted using
C-18 columns, a column temperature of 40°C, a mobile phase consisting of acetonitrile-phosphate buffer (pH 7.0; 40:60 v/v), a flow rate of 1 mL/min,
the photodiode array detector set at a wavelength of 234 nm, and calcium atorvastatin as the internal standard.
Results: All metformin HCl samples collected on days 7, 14, and 30 from subjects 1 to 6 met stability requirement based on the European Medicines
Agency Bioanalytical Guideline (2011), which state that the percentage difference value not >20%. In addition, the developed method for analyzing
metformin HCl in plasma was linear in the concentration range of 20.0–5000.0 ng/mL (r=0.9999).
Conclusion: The incurred sample of metformin hydrochloride in plasma of six healthy subjects was stable until 30 days after drug administration.

Keywords: High-performance liquid chromatography, Human plasma, Incurred sample, Metformin hydrochloride, Partial validation.

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How to Cite
Harahap, Y., Suwanto, F. I. B., & ., S. (2018). INCURRED SAMPLE STABILITY OF METFORMIN HYDROCHLORIDE IN PLASMA OF SIX HEALTHY SUBJECTS USING HIGH-PERFORMANCE LIQUID CHROMATOGRAPHY. International Journal of Applied Pharmaceutics, 10(1), 260-263. https://doi.org/10.22159/ijap.2018.v10s1.58
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Original Article(s)