Download Drug Stability, Third Edition, Revised, and Expanded: by Jens T. Carstensen, Christopher Rhodes PDF

By Jens T. Carstensen, Christopher Rhodes

Every thing made by way of human hands—from the elegant Parthenon to the trivial milkshake—is topic to decay. prescribed drugs aren't any exception to this common assertion. If there's any functionally proper caliber characteristic of a drug product that alterations with time, review of this transformation falls in the purview of the pharmaceutical scientists and regulators who quantify drug product balance and shelf existence. Describing the documentation required to reduce the adjustments of regulatory citations, the booklet lists brands of photostability trying out chambers, balance process software program, and laboratory info administration platforms for pharmaceutical functions.

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Additional info for Drug Stability, Third Edition, Revised, and Expanded: Principles and Practices

Sample text

As a result of an FDA advisory board meeting (6/25/ 1993, Silver Springs, and the following ICH Guidelines, the agency has adopted this polic for nited States as well. 25°C. average measured temperature should be below 25°C and only “spurious excursions” to 30°C are allowed. It is noted that the average measured temperature is always (except in truly isothermal situations) lower than the KMT. In actual isother~aZstorage, the KMT is equal to the temperature of the storage. 73) Introducing this into Eq.

E. a zero-order reaction. Since it actually was a first-order reaction [Eq. 45)] such a situation is referred to as a pseudo-zero-order reaction. A set ofdata is shownin Table 6, treated in zero-order fashion in Fig. 1OA and in first-order fashion in Fig. 10 ;and it is seenthat the fits are comparable. The least squares fit data are shown in Table 6. It is noted that different time intervals are used for the different temperatures, and it is one of the tasks, before starting studies at higher temperatures, to establish what the time intervals should be.

Our knowledge of kinetics can be of material assistance in dealing with chemical degradation. , impact, vibration, abrasion, and temperature fluctuations such as freezing, thawing, or shearing). Physical testing is described in Chapter 10. , tablet friability, tablet impact resistance, suspension redispersibility,or injection syrin~eability) arestill nonofficial and variable. It is noteworthy that it was not until 1997 that official standardized test methods for the quantification of bulk and tap density were introduced into the USP, although such tests have value in helping to evaluate compressibility.

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