IMPACT OF EXCIPIENT VARIABILITY ON DRUG PRODUCT PROCESSING AND PERFORMANCE

It is rare to have a pharmaceutical dosage form presented with just the pure active pharmaceutical ingredient because the drug substance does not possess adequately desirable physical attributes to be processed into the final dosage form. Consequently, additives or excipients which are inert ingredients serving a functional purpose are added to enhance the overall properties of the final formulation for ease of processability or drug product performance.

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