ROBUSTNESS EVALUATION OF HPLC DETERMINATION OF ATORVASTATIN AND LISINOPRIL ON COLUMN PUROSPHER C8 STAR IN PHARMACEUTICALS
DOI:
https://doi.org/10.11603/mcch.2410-681X.2021.i1.12104Keywords:
atorvastatin, high-performance liquid chromatography, lisinopril, robustness, quantitative analysis, Youden’s testAbstract
Introduction. Innovative pharmaceutical development of various antihypertensive drugs with statins and the creation of domestic fixed-dose combinations of drugs with different effects is an urgent task of modern pharmacy, which will help attract more patients to the treatment and prevention of cardiovascular disease. Pharmaceutical development of atorvastatin and lisinopril by our scientific group proposes for using the ratio of (1/1) for lisinopril (10 mg) and atorvastatin (10 mg). HPLC (High-Performance Liquid Chromatography) technique is adopted as it is considered as the most common technique in realm of quality control analysis.
The aim of the study – to evaluate the robustness of HPLC (High-Performance Liquid Chromatography) method for the quantitation of lisinopril and atorvastatin and determine the analytical parameters that present greater influence in the final results of the analysis.
Research Methods. An efficient method to assess the robustness of analytical methods is by Youden’s test, by means of an experiment design which involves seven analytical parameters combined in eight tests. In the recent studies, we assessed the robustness of a chromatographic method to quantify lisinopril and atorvastatin in tablets using Youden’s test.
Results and Discussion. By using the criteria of Youden’s test, HPLC method proved to be greatly robust regarding content of lisinopril and atorvastatin, when variations in seven analytical parameters were introduced. The most variation in effects of the analytical parameters in retention time (Rt) for lisinopril and atorvastatin HPLC quantitation was when used column supplier. Purospher C8 STAR (55 mm x 4mm, 5 μm) is based on high purity silica and an almost complete surface coverage. Purospher C8 STAR provides excellent peak symmetry for acidic, basic and even chelating compounds, highest column efficiency in terms of the number of theoretical plates, and exceptional stability from pH 1.5 to 10.5.
Conclusion. Youden’s test can be applied successfully for the robustness evaluation in validation process of analytical methods and results ontained in our work should be interest to the scientific population dealing with pharmaceutical analytical chemistry.
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