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Research Paper Open Access
The objective of this research work was to mask the intense bitter taste of fexofenadine hydrochloride using weak cation exchange resins and to formulate orodispersible tablet of taste masked drug-resin complex. Five resins indion 204, indion 234, indion 414, kyron T-114 and kyron T-314 were used. Depending on maximum drug loading capacity of resins indion 234 and kyron T-314 were finalized for further study. Drug-resin complex was optimized by considering parameters such as drug to resin ratio, soaking time of resins, stirring time, temperature and pH on maximum drug loading. The drug-resin complex was characterized by Fourier transform infrared spectroscopy. The drug-resin complex was also subjected to various evaluation studies such as taste mask evaluation by panel method, drug content and in vitro drug release at salivary and gastric pH. The orodispersible tablets of taste masked drug-resin complex for indion 234 and kyron T-314 were prepared by direct compression method. Formulated orodispersible tablets were subjected to various evaluation parameters such as diameter and thickness measurement, hardness test, weight variation test, in vitro United States Pharmacopoeia disintegration test, wetting time, test for content uniformity, assay, friability test and in vitro dissolution studies. The results indicate that orodispersible tablets of fexofenadine hydrochloride containing indion 234 and kyron T-314 are palatable and provide quick disintegration and fast drug release without addition of superdisintegrants.
Fexofenadine hydrochloride, Indion 204, Indion 234, Indion 414, Kyron T-114, Kyron T-314