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Cannabidiol Enhances the Passage of Lipid Nanocapsules across the Blood–Brain Barrier Both in Vitro and in Vivo

Aparicio-Blanco, Juan; Romero, Ignacio A.; Male, David K.; Slowing, Karia; Garcia-Garcia, Luis and Torres-Suarez, Ana (2019). Cannabidiol Enhances the Passage of Lipid Nanocapsules across the Blood–Brain Barrier Both in Vitro and in Vivo. Molecular Pharmaceutics, 16(5) pp. 1999–2010.

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DOI (Digital Object Identifier) Link: https://doi.org/10.1021/acs.molpharmaceut.8b01344
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Abstract

Diseases affecting the central nervous system (CNS) should be regarded as a major health challenge due to the current lack of effective treatments given the hindrance to brain drug delivery imposed by the blood–brain barrier (BBB). Since efficient brain drug delivery should not solely rely on passive targeting, active targeting of nanomedicines into the CNS is being explored. The present study is devoted to the development of lipid nanocapsules (LNCs) decorated with nonpsychotropic cannabinoids as pioneering nonimmunogenic brain-targeting molecules and to the evaluation of their brain-targeting ability both in vitro and in vivo. Noticeably, both the permeability experiments across the hCMEC/D3 cell-based in vitro BBB model and the biodistribution experiments in mice consistently demonstrated that the highest brain-targeting ability was achieved with the smallest-sized cannabinoid-decorated LNCs. Importantly, the enhancement in brain targeting achieved with the conjugation of cannabidiol to LNCs outperformed by 6-fold the enhancement observed for the G-Technology (the main brain active strategy that has already entered clinical trials for the treatment of CNS diseases). As the transport efficiency across the BBB certainly determines the efficacy of the treatments for brain disorders, small cannabinoid-decorated LNCs represent auspicious platforms for the design and development of novel therapies for CNS diseases.

Item Type: Journal Item
Copyright Holders: 2019 American Chemical Society
ISSN: 1543-8392
Keywords: cannabinoids; brain targeting; in vitro BBB model; permeability; nanomedicine
Academic Unit/School: Faculty of Science, Technology, Engineering and Mathematics (STEM) > Life, Health and Chemical Sciences
Faculty of Science, Technology, Engineering and Mathematics (STEM)
Research Group: Smart Materials
Item ID: 60126
Depositing User: David Male
Date Deposited: 29 Mar 2019 11:10
Last Modified: 11 May 2019 04:47
URI: http://oro.open.ac.uk/id/eprint/60126
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