Tiwari, Shobhit Kumar ; Singh, Dilip Kumar ; Ladumor, Mayurbhai Kathadbhai ; Chakraborti, Asit K. ; Singh, Saranjit (2018) Study of degradation behaviour of montelukast sodium and its marketed formulation in oxidative and accelerated test conditions and prediction of physicochemical and ADMET properties of its degradation products using ADMET Predictor™ Journal of Pharmaceutical and Biomedical Analysis, 158 . pp. 106-118. ISSN 07317085
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Official URL: http://doi.org/10.1016/j.jpba.2018.05.040
Related URL: http://dx.doi.org/10.1016/j.jpba.2018.05.040
Abstract
Study of oxidative stability of pharmaceutical actives and formulations is important as oxidation pathway is the second most significant route for the decay of pharmaceuticals. Montelukast sodium, a leukotriene receptor antagonist, is prone to oxidation reactions owing to sensitive moieties in its structure. It is also known to be light sensitive. This study was aimed to understand the degradation behaviour of the drug in different oxidative media containing hydrogen peroxide, AIBN, Fe3+, Fenton’s reagent and O2 environment under normal laboratory light conditions. The degradation behaviour of the drug was also evaluated in solid sate under ICH recommended accelerated stability condition of 40 °C/75% RH to correlate with the degradation products (DPs) formed in a solid oral formulation. A total of nine DPs (MTK 1 to MTK 9) were formed from both the drug substance and the marketed tablet formulation on storage under controlled oxygen environment in normal laboratory light and temperature conditions. These DPs were well separated on a C-18 column using a gradient HPLC method. The characterization of DPs was done based on HRMS and multi-stage tandem mass spectrometric (MSn) data. The knowledge of the structure of DPs helped in laying down degradation pathway of the drug. Also, mechanism for the formation of each DP was postulated. Finally, physicochemical as well as absorption, distribution, metabolism, excretion and toxicity (ADMET) properties of the DPs were predicted by ADMET Predictor™ software.
Item Type: | Article |
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Source: | Copyright of this article belongs to Elsevier B.V |
Keywords: | Montelukast sodium;Oxidative stressors;Accelerated stability study;Degradation productsLC–MS/TOFADMET Predictor™ |
ID Code: | 129398 |
Deposited On: | 16 Nov 2022 06:21 |
Last Modified: | 16 Nov 2022 06:21 |
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