In present investigation liquisolid compact technique is investigated as a tool for enhanced dissolution of poorly water-soluble drug Rosuvastatin calcium (RVT). The model drug RVT, a HMG-Co A reductase inhibitor was formulated in form of directly compressed tablets and liquisolid compacts; and studied for in-vitro release characteristics at different dissolution conditions. In this technique, liquid medications of water insoluble drugs in non-volatile liquid vehicles can be converted into acceptably flowing and compressible powders. Formulated systems were assessed for precompression parameters like flow properties of liquisolid system, Fourior transform infra red spectra (FTIR) analysis, X-ray powder diffraction (XRPD), differential scanning calorimetry (DSC), and post compression parameters like content uniformity, weight variation, hardness and friability, disintegration test, wetting time, in vitro dissolution studies, effect of dissolution volume on drug release rate, and estimation of fraction of molecularly dispersed drug in liquid medication. As liquisolid compacts demonstrated significantly higher drug release rates, we lead to conclusion that it could be a promising strategy in improving the dissolution of poor water soluble drugs and formulating immediate release solid dosage forms.
The aim of present study was to formulate and evaluate self-microemulsifying drug delivery system containing piroxicam and to use the ability of porous magnesium alumina metasilicate as a solid carrier for self-microemulsifying drug delivery system. It was developed to resolve the problems of piroxicam such as low water solubility, low bioavailability and gastrointestinal irritation. Self-microemulsifying drug delivery system containing varying proportions of Capmul MCM, Cremophor EL and Transcutol-P were prepared and optimized using response surface methodology of Design-Expert ® software version 10. Liquid selfmicroemulsifying drug delivery systems were subjected to in vitro evaluation, including self-emulsification efficiency study, droplet size, zeta potential measurement and in vitro drug release studies. Solid selfmicroemulsifying drug delivery system was prepared by adding liquid self-microemulsifying drug delivery system with Neusilin US2 and filled in hard gelatin capsule. The optimized formulation consists of 28.26 % of Capmul MCM, 44.16 % of Cremophor EL and 27.58 % of Transcutol-P. The results showed that the drug release profile of piroxicam from the self-microemulsifying drug delivery formulations was higher than the pure piroxicam powder. The release of piroxicam was rapid and complete. Solid self-microemulsifying drug delivery systems after filled in hard gelatin capsule, predicted to be a promising technique to deliver a liquid formulation in solid dosage form.
scite is a Brooklyn-based organization that helps researchers better discover and understand research articles through Smart Citations–citations that display the context of the citation and describe whether the article provides supporting or contrasting evidence. scite is used by students and researchers from around the world and is funded in part by the National Science Foundation and the National Institute on Drug Abuse of the National Institutes of Health.