Abstract
The Cefuroxime axetil has been used in treatment of wide range of infections but exhibits poor and variable bioavailability thus it is difficult to establish optimal oral dosage schedule. The purpose of this work was to prepare stable solid self-microemusifying drug delivery system (S-SMEDDS) of cefuroxime to improve the solubility and dissolution. The saturation solubility of drug in oils, solvents, surfactants and co-surfactants were determined and ternary phase diagram was drawn. Based on the results SMEDDS were prepared and characterized for self-emulsification properties and in-vitro dissolution. One of the best SMEDDS formulations was converted to S-SMEDDS by adsorption technique using maltodextrin as adsorbent. SEM of the S-SMEDDS revealed that particles were well separated and were free flowing, characterization by DSC, XRD revealed no interaction between drug and excipients. In-vitro dissolution was rapid and complete and no marked changes in physical and emulsification property were observed on stability.
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