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(Division of Drug Standardization, Department of Drug Evaluation, Korea Food and Drug Administration)
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Drug excipients are material used in the formulation of pharmacologically active drugs. They have a variety of roles including dilutents/fillers/bulking agents, binders/adhesives, propellant, disintegrants, lubricants/dlidants, colors, flavors, coating agents, polising agents, fragrance, sweeteening agent, polymers and waxes. Excipient should be inert or inactive and does not interfere with the test. Nowadays within industry there has been a recent surge of interest in novel excipient for novel dosage forms. The purpose of the review is to introduce the administration systems of drug excipient about kinds, matters to be attended to change of excipients.