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A novel multicompartment dissolution system was developed by modifying a conventional six-vessel United States Pharmacopoeia dissolution system to study the dissolution and possible precipitation of poorly soluble weak bases after oral administration. The modified system includes a "gastric" compartment, an "intestinal" compartment, an "absorption"(More)
BMS-480188 is a weak base. The aqueous solubility of BMS-480188 is 0.036 mg/ml at pH 6.5 at 37 degrees C. The mesylate salt of BMS-480188 was prepared to improve its solubility. Capsules containing mesylate salt alone (Formulation A) or mesylate salt with excipients, including lactose, croscarmellose sodium, sodium lauryl sulfate, syloid and magnesium(More)
PURPOSE To develop a statistical model for predicting effect of food on the extent of absorption (area under the curve of time-plasma concentration profile, AUC) of drugs based on physicochemical properties. MATERIALS AND METHODS Logistic regression was applied to establish the relationship between the effect of food (positive, negative or no effect) on(More)
The success rate of discovering new polymorphs by crystallization from solution may be increased if solvents with diverse properties are used during initial polymorph screening. In this study, eight solvent parameters, including hydrogen bond acceptor propensity, hydrogen bond donor propensity, polarity/dipolarity, dipole moment, dielectric constant,(More)
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