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Matrix tablets of ketorolac trometharnine (KT) were prepared by direct compression technique and Carbopol 934, 940 and 1342 have been used as polymers in different concentrations (5-15 % ). For the quality control of tablets; physical tests as crushing strength, diameter-height ratio and fkiability, KT amount assay and in vitro dissolution techniques were performed and dissolution profiles were plotted and evaluated kinetically. The in vitro release kinetics of ten different formulations of KT matrix tablet were studied at pH 1.2 and pH 7.0 using the USP dissolution technique and apparatus with basket assembly. Dissolution results were evaluated kinetically and statistically. According to our results, different types and concentrations of carbopol to tablet formulations may effect in controlled drug release.

scientia pharmaceutica

Investigation of certain varieties of carbopol in ketorolac tromethamine hydrophilic matrix tablet formulations and evaluation of the kinetics of its in vitm release