期刊
JOURNAL OF PHARMACEUTICAL SCIENCES
卷 99, 期 11, 页码 4437-4452出版社
JOHN WILEY & SONS INC
DOI: 10.1002/jps.22161
关键词
drug stability; drug packaging; accelerated aging; moisture transfer; desiccants
This review describes how best to select the appropriate packaging options for solid, oral drug products based on both chemical and physical stability, with respect to moisture protection. This process combines an accounting for the initial moisture content of dosage form components, moisture transfer into (out of) packaging based on a moisture vapor transfer rate (MVTR), and equilibration between drug products and desiccants based on their moisture sorption isotherms to provide an estimate of the instantaneous relative humidity (RH) within the packaging. This time-based RH is calculationally combined with a moisture-sensitive Arrhenius equation (determined using the accelerated stability assessment program, ASAP) to predict the drug product's chemical stability over time as a function of storage conditions and packaging options. While physical stability of dosage forms with respect to moisture has been less well documented, a process is recommended based on the threshold RH at which changes (e.g., dosage form dissolution, tablet hardness, drug form) become problematic. The overall process described allows packaging to be determined for a drug product scientifically, with the effect of any changes to storage conditions or packaging to be explicitly accounted for. (C) 2010 Wiley-Liss, Inc. and the American Pharmacists Association J Pharm Sci 99:4437-4452, 2010
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