
handle: 10481/28187
Se desarrollaron métodos simples y reproducibles para la microencapsulación de ácido all-trans-retinoico (AR) y ácido salicílico (AS) en forma disuelta, con el objeto de mejorar sus aplicaciones terapéuticas y establecer criterios comparativos de las distintas metodologías empleadas. Se caracterizaron los sistemas microparticulados mediante microfotografía y distribución del tamaño de las partículas obtenidas. El desarrollo galénico de microesferas de alginato sódico, tiene como objetivo modular la liberación del AR, ya que es de interés dermatofarmacéutico optimizar la eficacia terapéutica y minimizar las reacciones secundarias, y proteger a la piel de la acción irritante del AR y del AS, preservando al AR, de la acción deletérea de agentes externos tales como el aire, la luz y la humedad.
Simple and reproducible methods were developed to microencapsulate all-trans-retinoic acid (RA) and salicylic acid (SA) in solution. The objectives of the present study were to improve their therapeutic applications and to establish comparative criteria concerning the different methodologies that have been used. The objective of RA and SA microencapsulation on the one hand, is to modulate AR release in an attempt to protect skin from AR and AS irritation and, on the other, is to protect RA from environmental hazards such as air, light and moisture.
Este trabajo se ha realizado por Convenio Específico entre UBATEC S.A. (Universidad de Buenos Aires Teconología S.A.), República Argentina y Laboratorio Dérmico Farmacéutico, Naltisur S.A., República Oriental del Uruguay.
Alginato de sodio, Vitamin A acid, Tretinoína, Ácido salicílico, Tretinoin, Salicylic acid, Microesferas, All-trans-retinoic acid, Microspheres, Dermatopharmacy, Vitamina A ácida, Ácido all-trans-retinoico, Sodium alginate, Dermatofarmacia
Alginato de sodio, Vitamin A acid, Tretinoína, Ácido salicílico, Tretinoin, Salicylic acid, Microesferas, All-trans-retinoic acid, Microspheres, Dermatopharmacy, Vitamina A ácida, Ácido all-trans-retinoico, Sodium alginate, Dermatofarmacia
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