Ingredients

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In Part III of a three-part article, the authors examine various degradation routes of APIs, impurities arising from interactions in formulations, metabolite impurities, various analytical methods to measure impuritie, and ways to control impurities.

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The author reviews significant changes to GMP for excipients in the forthcoming American National Standard, including a risk-based approach to excipient manufacture, why new requirements were proposed, and their potential impact to excipient manufacturers.

This article provides guidance for industry on how to comply with the pending American National Standard on excipient GMP, with a focus on risk assessment.

The authors designed an upper punch with a removable punch tip to determine a tablet formulation's propensity to stick by weighing the mass of powder adhered to the punch tip.