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Please use this identifier to cite or link to this item: http://dspace.bits-pilani.ac.in:8080/jspui/handle/123456789/13693
Title: Self-Assembled Lecithin-Chitosan Nanoparticles Improved Rotigotine Nose-to-Brain Delivery and Brain Targeting Efficiency
Authors: Chitkara, Deepak
Pandey, Murali Monohar
Keywords: Pharmacy
Rotigotine (RTG)
Lecithin-chitosan hybrid nanoparticles
Intranasal delivery
Nose-to-brain uptake
Brain distribution study
Issue Date: Mar-2023
Publisher: MDPI
Abstract: Rotigotine (RTG) is a non-ergoline dopamine agonist and an approved drug for treating Parkinson’s disease. However, its clinical use is limited due to various problems, viz. poor oral bioavailability (<1%), low aqueous solubility, and extensive first-pass metabolism. In this study, rotigotine-loaded lecithin-chitosan nanoparticles (RTG-LCNP) were formulated to enhance its nose-to-brain delivery. RTG-LCNP was prepared by self-assembly of chitosan and lecithin due to ionic interactions. The optimized RTG-LCNP had an average diameter of 108 nm with 14.43 ± 2.77% drug loading. RTG-LCNP exhibited spherical morphology and good storage stability. Intranasal RTG-LCNP improved the brain availability of RTG by 7.86 fold with a 3.84-fold increase in the peak brain drug concentration (Cmax(brain)) compared to intranasal drug suspensions. Further, the intranasal RTG-LCNP significantly reduced the peak plasma drug concentration (Cmax(plasma)) compared to intranasal RTG suspensions. The direct drug transport percentage (DTP (%)) of optimized RTG-LCNP was found to be 97.3%, which shows effective direct nose-to-brain drug uptake and good targeting efficiency. In conclusion, RTG-LCNP enhanced drug brain availability, showing the potential for clinical application.
URI: https://www.mdpi.com/1999-4923/15/3/851
http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/13693
Appears in Collections:Department of Pharmacy

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