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Article

Buspirone Nanovesicular Nasal System for Non-Hormonal Hot Flushes Treatment

The Institute for Drug Research, School of Pharmacy, Faculty of Medicine, The Hebrew University of Jerusalem, P.O. Box 12065, Jerusalem 91120, Israel
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Received: 6 June 2018 / Revised: 25 June 2018 / Accepted: 2 July 2018 / Published: 3 July 2018
(This article belongs to the Special Issue Smart Nanovesicles for Drug Targeting and Delivery)
The aim of this work was to design and characterize a new nanovesicular nasal delivery system (NDS) containing buspirone, and investigate its efficiency in an animal model for the treatment of hot flushes. The presence of multilamellar vesicles with a mean size distribution of 370 nm was evidenced by transition electron microscopy (TEM), cryo-scanning electron microscopy (Cryo-SEM), and dynamic light scattering (DLS) tests. Pharmacodynamic evaluation of the nasal treatment efficacy with the new system was carried out in ovariectomized (OVX) rat—an animal model for hot flushes—and compared with other treatments. We found that the nasal administration of a buspirone NDS resulted in a significant reduction in tail skin temperature (TST). This effect was not observed in the control buspirone-treated groups. Buspirone levels in the plasma and brain of nasally-treated normal rats were quantified and compared with those of rats that had received oral administration by a LC-MS/MS assay. A significantly higher bioavailability was achieved with the new treatment relative to an oral administration of the same drug dose. No pathological changes in the nasal cavity were observed following sub-chronic nasal administration of buspirone NDS. In conclusion, the data of our investigation show that buspirone in the new nanovesicular nasal carrier could be considered for further studies for the development of a treatment for the hot flushes ailment. View Full-Text
Keywords: nanovesicular nasal carrier; nasal delivery system; buspirone; hot flushes; ovariectomized rat nanovesicular nasal carrier; nasal delivery system; buspirone; hot flushes; ovariectomized rat
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MDPI and ACS Style

Touitou, E.; Natsheh, H.; Duchi, S. Buspirone Nanovesicular Nasal System for Non-Hormonal Hot Flushes Treatment. Pharmaceutics 2018, 10, 82. https://0-doi-org.brum.beds.ac.uk/10.3390/pharmaceutics10030082

AMA Style

Touitou E, Natsheh H, Duchi S. Buspirone Nanovesicular Nasal System for Non-Hormonal Hot Flushes Treatment. Pharmaceutics. 2018; 10(3):82. https://0-doi-org.brum.beds.ac.uk/10.3390/pharmaceutics10030082

Chicago/Turabian Style

Touitou, Elka, Hiba Natsheh, and Shaher Duchi. 2018. "Buspirone Nanovesicular Nasal System for Non-Hormonal Hot Flushes Treatment" Pharmaceutics 10, no. 3: 82. https://0-doi-org.brum.beds.ac.uk/10.3390/pharmaceutics10030082

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