Artículo
Towards a rational basis for selection of excipients: Excipient Efficiency for controlled release
Autor/es | Casas Delgado, Marta
Aguilar de Leyva, Mercedes Ángela Caraballo Rodríguez, Isidoro |
Departamento | Universidad de Sevilla. Departamento de Farmacia y Tecnología Farmacéutica |
Fecha de publicación | 2015-10-15 |
Fecha de depósito | 2024-09-25 |
Publicado en |
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Resumen | There are many factors influencing the drug release behaviour from a pharmaceutical formulation as the particle size of the drug and excipient, porosity of the system or geometrical phase transitions of the components. ... There are many factors influencing the drug release behaviour from a pharmaceutical formulation as the particle size of the drug and excipient, porosity of the system or geometrical phase transitions of the components. Therefore, the choice of the adequate excipient to achieve a specific drug release profile is mainly based on the experience and the trial and error method. Taking into account the directives towards the application of the “Quality by Design” approach, in this study the Excipient Efficiency (EE), a parameter able to quantify the capability of an excipient to control the drug release, has been developed. EE was initially calculated dividing the total porosity of the system by its diffusional release rate constant. The influence of several factors on this parameter has been evaluated. As a result, the final parameter has been corrected based on the drug solubility and the excipient particle size. EE provides a rational basis for identifying the most adequate excipients for a concrete formulation. |
Agencias financiadoras | Ministerio de Economía y Competitividad (MINECO). España |
Identificador del proyecto | MAT2012-38,044-C03-02 |
Cita | Casas Delgado, M., Aguilar de Leyva, M.Á. y Caraballo Rodríguez, I. (2015). Towards a rational basis for selection of excipients: Excipient Efficiency for controlled release. International Journal of Pharmaceutics, 494 (1), 288-295. https://doi.org/10.1016/j.ijpharm.2015.08.002. |
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