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FORMULATION AND EVALUATION OF TASTE MASKED DISPERSIBLE TABLETS OF CHLOROQUINE PHOSPHATE

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Author(s): Sharma Anup Tukaramji | Moon Rajkumar Sukdeo

Journal: International Research Journal of Pharmacy
ISSN 2230-8407

Volume: 3;
Issue: 9;
Start page: 286;
Date: 2012;
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Keywords: Chloroquine phosphate | ion exchange resins | tastes masking | crospovidone | dispersible tablets.

ABSTRACT
The primary aim of present work was to formulate and evaluate taste masked dispersible tablets of Chloroquine phosphate, an antimalarial drug, using ion exchange resins like INDION 294 and TULSION 339 as a taste masking agent and superdisintegrating agents like crospovidone and sodium starch glycolate in different concentrations. Characterization of drug was done by melting point determination, FT-IR spectroscopy and UV-spectroscopy. Drug-resin complexes were prepared by batch method using the resins in different ratios. Drug loading study was carried at different pH. INDION 294 showed highest drug loading (93.31%). Hence, further studies were done using INDION 294. The drug-resin complexes were studied for micromeritic properties, in vitro drug release and taste masking ability by determining threshold bitterness concentration of the drug. The complexes were characterized by drug content, FTIR and DSC studies. Powder blends were prepared and evaluated for various physical properties. Dispersible tablets of drug-resin complex (DRC) were prepared by wet granulation method using crospovidone and sodium starch glycolate in different concentrations as superdisintegrants. Tablets were evaluated for thickness, hardness, friability, uniformity of weight, dispersion time, uniformity of dispersion, disintegration time, wetting time, wetting volume, content of active ingredient and dissolution studies. All the formulations showed the evaluated parameters within the acceptable limits for dispersible tablets. Finally, formulation F3 was taken as an optimized formulation which was containing 3% of crospovidone and showed the least in vitro disintegration time and an excellent drug release. Stability study was also conducted on the optimized batch F3 which showed good results.
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