Trends in Excipient Safety Evaluation
2011
Excipients are used in all drug products and in most food products. New technologies are being tested to increase the amount or rate of absorption of drugs and new and novel excipients may be included among them. New physical approaches such as nanoparticles of drug and excipients or lysosomes may offer better drug delivery especially of hard to absorb or difficult to formulate oral drugs. New excipients may improve or mask the flavor of foods, drugs, and dietary supplements. Recently, impurities in drug products have become subject to greater scrutiny and various international and national guidelines, guidances, and regulations have been proposed and accepted for use; excipient evaluation is included in these efforts. This symposium discussed new developmental concepts, guidelines/guidances and regulations involving impurities in excipients, new drug delivery systems involving excipients, and thoughts for possible improvement to these guidelines to promote faster regulatory acceptance of these substances.
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