alexa Preparation, characterization, and in vitro and in vivo evaluation of lovastatin solid lipid nanoparticles.
Materials Science

Materials Science

Journal of Nanomedicine & Nanotechnology

Author(s): Suresh G, Manjunath K, Venkateswarlu V, Satyanarayana V

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Abstract The purpose of this research was to study whether the bioavailability of lovastatin could be improved by administering lovastatin solid lipid nanoparticles (SLN) duodenally to rats. Lovastatin SLN were developed using triglycerides by hot homogenization followed by ultrasonication. Particle size and zeta potential were measured by photon correlation spectroscopy. The solid state of the drug in the SLN and lipid modification were characterized. Bioavailability studies were conducted in male Wistar rats after intraduodenal administration of lovastatin suspension and SLN. Stable lovastatin SLN having a mean size range of 60 to 119 nm and a zeta potential range of -16 to -21 mV were developed. More than 99\% of the lovastatin was entrapped in the SLN. Lovastatin was dispersed in an amorphous state, and triglycerides were in beta(1) form in the SLN. In vitro stability studies showed the slow release and stability of lovastatin SLN. The relative bioavailabilities of lovastatin and lovastatin hydroxy acid of SLN were increased by ~173\% and 324\%, respectively, compared with the reference lovastatin suspension.
This article was published in AAPS PharmSciTech and referenced in Journal of Nanomedicine & Nanotechnology

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