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Volume 80
Issue 2
10.3797/scipharm.1111-07
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Article

Identification and Characterization of an Oxidative Degradation Product of Fexofenadine, Development and Validation of a Stability-Indicating RP-UPLC Method for the Estimation of Process Related Impurities and Degradation Products of Fexofenadine in Pharmaceutical Formulations

by
Bhupendrasinh VAGHELA
1,2,*,
Surendra Singh RAO
2,
Annarapu Malleshwar REDDY
1,
Panuganti VENKATESH
1 and
Navneet KUMAR
1
1
Dr. Reddy's Laboratories Ltd., IPDO, Bachupally, Hyderabad-500072, A. P., India
2
Department of Chemistry, J. J. T. University, Jhunjhunu, Rajasthan, India
*
Author to whom correspondence should be addressed.
Sci. Pharm. 2012, 80(2), 295-310; https://doi.org/10.3797/scipharm.1111-07
Submission received: 10 November 2011 / Accepted: 21 January 2012 / Published: 21 January 2012
Versions Notes

Abstract

A novel stability-indicating gradient RP-UPLC method was developed for the quantitative determination of process related impurities and forced degradation products of fexofenadine HCl in pharmaceutical formulations. The method was developed by using Waters Aquity BEH C18 (100 mm x 2.1 mm) 1.7 μm column with mobile phase containing a gradient mixture of solvent A (0.05% triethyl amine, pH adjusted to 7.0 with ortho-phosphoric acid) and B (10:90 v/v mixture of water and acetonitrile). The flow rate of mobile phase was 0.4 mL/min with column temperature of 30°C and detection wavelength at 220nm. Fexofenadine HCl was subjected to the stress conditions including oxidative, acid, base, hydrolytic, thermal and photolytic degradation. Fexofenadine HCl was found to degrade significantly in oxidative stress conditions, and degradation product was identified and characterized by ESI-MS/MS, 1H and 13C NMR spectroscopic method as the N-oxide 2-[4-(1-hydroxy-4-{4-[hydroxy(diphenyl)methyl]-1-oxido-piperidin-1-yl}butyl)phenyl]-2-methylpropanoic acid. The degradation products were well resolved from fexofenadine and its impurities. The mass balance was found to be satisfactory in all the stress conditions, thus proving the stability-indicating capability of the method. The developed method was validated as per ICH guidelines with respect to specificity, linearity, limit of detection and quantification, accuracy, precision and robustness.
Keywords: Fexofenadine; Validation; Stability-indicating; Forced degradation; Identification; characterization; UPLC Fexofenadine; Validation; Stability-indicating; Forced degradation; Identification; characterization; UPLC

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MDPI and ACS Style

VAGHELA, B.; RAO, S.S.; REDDY, A.M.; VENKATESH, P.; KUMAR, N. Identification and Characterization of an Oxidative Degradation Product of Fexofenadine, Development and Validation of a Stability-Indicating RP-UPLC Method for the Estimation of Process Related Impurities and Degradation Products of Fexofenadine in Pharmaceutical Formulations. Sci. Pharm. 2012, 80, 295-310. https://doi.org/10.3797/scipharm.1111-07

AMA Style

VAGHELA B, RAO SS, REDDY AM, VENKATESH P, KUMAR N. Identification and Characterization of an Oxidative Degradation Product of Fexofenadine, Development and Validation of a Stability-Indicating RP-UPLC Method for the Estimation of Process Related Impurities and Degradation Products of Fexofenadine in Pharmaceutical Formulations. Scientia Pharmaceutica. 2012; 80(2):295-310. https://doi.org/10.3797/scipharm.1111-07

Chicago/Turabian Style

VAGHELA, Bhupendrasinh, Surendra Singh RAO, Annarapu Malleshwar REDDY, Panuganti VENKATESH, and Navneet KUMAR. 2012. "Identification and Characterization of an Oxidative Degradation Product of Fexofenadine, Development and Validation of a Stability-Indicating RP-UPLC Method for the Estimation of Process Related Impurities and Degradation Products of Fexofenadine in Pharmaceutical Formulations" Scientia Pharmaceutica 80, no. 2: 295-310. https://doi.org/10.3797/scipharm.1111-07

APA Style

VAGHELA, B., RAO, S. S., REDDY, A. M., VENKATESH, P., & KUMAR, N. (2012). Identification and Characterization of an Oxidative Degradation Product of Fexofenadine, Development and Validation of a Stability-Indicating RP-UPLC Method for the Estimation of Process Related Impurities and Degradation Products of Fexofenadine in Pharmaceutical Formulations. Scientia Pharmaceutica, 80(2), 295-310. https://doi.org/10.3797/scipharm.1111-07

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