Abstract
The goal of present work was to investigate the effects of rupturable material ethyl cellulose combines with erodible material Klucel EXF on the pulsatile release pattern of Candesartan cilexetil in order to prevent morning rise in blood pressure. A tablet prepared by compression coating method contains core and coat components. Core consists of active ingredients with its various superdisintegrants where as coat contains different grades of ethyl cellulose and Klucel HXF in various combinations. All these tablets were evaluated for its micromeritics, weight variations, hardness, friability and in vitro dissolution testing. Drug-excipients interactions were carried out by FTIR. Dissolution studies were carried out in simulated gastric fluid followed by phosphate buffer of pH 6.5. The optimized formulation PT6 which give lag time of 6 hrs and released 99.10 % within 7 hr, as well as found to be stable in ICH stability testing guidelines.
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