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. 2019 Spring;18(2):670-676.
doi: 10.22037/ijpr.2019.1100681.

Development and Validation of A Fast, Simple And Specific Stability Indicating RP-HPLC Method for Determination of Dexpanthenol in Eye Gel Formulation

Arash Mahboubi  1   2 , Marjan Gholamreza Alviri  3 , Minoo Afshar  3 , Mahdieh Farhangi  4
Affiliations

Development and Validation of A Fast, Simple And Specific Stability Indicating RP-HPLC Method for Determination of Dexpanthenol in Eye Gel Formulation

Arash Mahboubi et al. Iran J Pharm Res. 2019 Spring.

Abstract

In this study a simple and reliable stability-indicating RP-HPLC method was developed and validated for analysis of Dexpanthenol in an artificial tear formulation. The chromatographic separation was performed on a HPLC C18 column (25.0 cm ´4.6 mm, 5 mm) using a mixture of 0.037 M monobasic potassium phosphate in water (adjusted with 0.1% (v/v) phosphoric acid to a pH of 3.2) and methanol (90:10). The flow rate was set at 1.5 mL/min and Dexpanthenol concentration was determined at λmax = 205 nm. The HPLC analysis method was validated in terms of linearity, precision, accuracy, specificity, and sensitivity according to International Conference on Harmonization (ICH) guidelines. The results indicated that the retention time was 8 min and no interferences were observed from the formulation excipients and stress degradation products. Linear regression analysis of data for the calibration plot showed a linear relationship between peak area and concentration over the range of 10 - 100 μg/mL; the regression coefficient was 0.996 and the linear regression equation was y = 20.011 x + 146.83. This HPLC method was precise and accurate in the range of 10 - 100 μg/mL. Also, the dexpanthenol concentration in artificial tear formulation was determined by this HPLC method, which was in accordance with the label claimed. This validated HPLC method could be used for routine analysis, quality control and the stability of analysis of eye gel containing dexpanthenol formulations.

Keywords: Artificial tear; Carbomer; Dexpanthenol; RP-HPLC; Validation.

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Figures

Figure 1
Figure 1
The chemical structure of Dexpanthenol
Figure 2
Figure 2
The dexpanthenol chromatogram
Figure 4
Figure 4
Linearity plot for dexpanthenol drug substance
See this image and copyright information in PMC

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