Abstract
Extended release products are designed to release their medication in a controlled manner at a predetermined rate, duration, and location to achieve and maintain optimum therapeutic blood levels of a drug. The objective of the study is to formulate and evaluate Ilaprazole Controlled release tablets comparable to the innovator product. F1-F9 formulations were prepared using varying concentrations of super disintegrates like Crospovidone, Croscarmellose sodium and Sodium starch glycolate in different concentrations. Based on the hardness, friability, weight variation, drug content, F6 formulation was found to be optimised. The selected F6 formulation was sub coated with HPMC P 50 and followed by enteric coating with Acryl-EZE-80 (Eudragit L100-55). 3 formulations (F10-F12) were prepared by using coating. Among the three formulations, F11 formulation was found to be best. FTIR studies were carried out to find out drug and excipient compatibility studies, the studies revealed that there were no interactions. DSC studies also carried out to demonstrate any changes in physical forms of the drug molecule.
 Keywords: Ilaprazole, Extended release tablets, Crospovidone, Croscarmellose sodium, Sodium starch glycolate, HPMC P 50, Acryl-EZE-80.
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