From Bench to Humans: Formulation Development of a Poorly Water Soluble Drug to Mitigate Food Effect
Journal Title: AAPS PharmSciTech - Year 2014, Vol 15, Issue 2
Abstract
This study presents a formulation approach that was shown to mitigate the dramatic food effect observed for a BCS Class II drug. In vitro (dissolution), in vivo (dog), and in silico (GastroPlus®) models were developed to understand the food effect and design strategies to mitigate it. The results showed that such models can be used successfully to mimic the clinically observed food effect. GastroPlus® modeling showed that food effect was primarily due to the extensive solubilization of the drug into the dietary lipid content of the meal. Several formulations were screened for dissolution rate using the biorelevant dissolution tests. Surfactant type and binder amount were found to play a significant role in the dissolution rate of the tablet prototypes that were manufactured using a high-shear wet granulation process. The performance of the lead prototypes (exhibiting best in vitro dissolution performance) was tested in dogs and human subjects. A new formulation approach, where vitamin E TPGS was included in the tablet formulation, was found to mitigate the food effect in humans.
Authors and Affiliations
Preetanshu Pandey, Rhye Hamey, Dilbir S. Bindra, Zongyun Huang, Neil Mathias, Timothy Eley, John Crison, Brian Yan, Robert Perrone, Chandra Vemavarapu
Keywords
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