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FORMULATION AND DEVELOPMENT OF INDOMETHACIN SOLID DISPERSION
Ravi K. V.*, Dr. Vinay C H, N. Suresh, Mahaveer Singh and Renukaradhya Chitti
ABSTRACT The aim of the present study was to prepare and compare the dissolution profiles of pure indomethacin and its solid dispersions prepared with PEG4000 and Gelucire 50/13 and development of FDTs. The solid dispersions were prepared by Solvent evaporation method. The prepared SDs was subjected to solubility studies in pH 6.8 phosphate buffer. Drug content and dissolution studies of the prepared SDs and PMs were performed and quantification was done by UV/VIS spectrophotometric method at the absorption maximum 320 nm. The prepared SDs was characterized by FT-IR. Formulation F3 was selected for the preperation of FDTs because of its maximum solubility, dissolution rates and appearance. Indomethacin FDTs were prepared by direct compression method, using various superdisintegrants croscarmellose, kyron and indion. Pre-compression parameters such as angle of repose, bulk density, carr’s index and hausner’s ratio were carried out to study the flow properties of prepared blend to achieve uniformity of tablet weight and the values were within optimum limits., post-compression studies for the prepared tablets like hardness, weight variation, friability, drug content, wetting time, water absorption ratio, and In-vitro disintegration time, In-vitro dissolution profiles were performed., results obtained were satisfactory. Formulation F7 containing croscarmellose as superdisintegrant had shown the disintegration within 23 sec and highest release rate of 94.68% at the end of 15 min. Keywords: Indomethacin, PEG4000, Gelucire 50/13; Solid dispersion; Fast dissolving tablets, direct compression. [Download Article] [Download Certifiate] |