Investigation on in vitro dissolution rate enhancement of indomethacin by using a novel carrier sucrose fatty acid ester

Journal Title: DARU Journal of Pharmaceutical Sciences - Year 2012, Vol 20, Issue 0

Abstract

Background and the purpose of the study The purpose of the present investigation was to characterize and evaluate solid dispersions (SD) of indomethacin by using a novel carrier sucrose fatty acid ester (SFE 1815) to increase its in vitro drug release and further formulating as a tablet.Methods Indomethacin loaded SD were prepared by solvent evaporation and melt granulation technique using SFE 1815 as carrier in 1:0.25, 1:0.5 1:0.75 and 1:1 ratios of drug and carrier. Prepared SD and tablets were subjected to in vitro dissolution studies in 900 mL of pH 7.2 phosphate buffer using apparatus I at 100 rpm. The promising SD were further formulated as tablets using suitable diluent (DCL 21, Avicel PH 102 and pregelatinised starch) to attain the drug release similar to that of SD.. The obtained dissolution data was subjected to kinetic study by fitting the data into various model independent models like zero order, first order, Higuchi, Hixon-Crowell and Peppas equations. Drug and excipient compatibility studies were confirmed by fourier transform infrared spectroscopy, X-ray diffraction, differential scanning calorimetry and scanning electron microscopy. Results The in vitro dissolution data exhibited superior release from formulation S6 with 1:0.5 drug and carrier ratio using solvent evaporation technique than other SDs prepared at different ratio using solvent evaporation and melt granulation technique. The in vitro drug release was also superior to that of the physical mixtures prepared at same ratio and also superior to SD prepared using common carriers like polyvinyl pyrollidone and PEG 4000 by solvent evaporation technique. Tablets (T8) prepared with DCL21 as diluent exhibited superior release than the other tablets. The tablet formulation (T8) followed first order release with Non-Fickian release. Conclusion SFE 1815 a novel third generation carrier can be used for the preparation of SD for the enhancement of in vitro drug release of indomethacin an insoluble drug belonging to BCS class II.

Authors and Affiliations

Songa Ambedkar Sunil, Meka Venkata Srikanth, Nali Sreenivasa Rao, Vengaladasu Raju, Kolapalli Venkata Ramana Murthy

Keywords

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  • EP ID EP114372
  • DOI -
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How To Cite

Songa Ambedkar Sunil, Meka Venkata Srikanth, Nali Sreenivasa Rao, Vengaladasu Raju, Kolapalli Venkata Ramana Murthy (2012). Investigation on in vitro dissolution rate enhancement of indomethacin by using a novel carrier sucrose fatty acid ester. DARU Journal of Pharmaceutical Sciences, 20(0), 1-10. https://europub.co.uk/articles/-A-114372