Journal
THERAPEUTIC DELIVERY
Volume 12, Issue 6, Pages 461-475Publisher
FUTURE SCI LTD
DOI: 10.4155/tde-2021-0022
Keywords
chitosan; in situ gel; intranasal delivery; mucoadhesive; phenobarbital sodium; pluronic F-127
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Funding
- Tabriz University of Medical Sciences [61743]
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The study suggests that intranasal administration bypassing the blood-brain barrier may be suitable for the nasal delivery of phenobarbital sodium.
Background: Recently, intranasal administration has been suggested as a potential direct route to transport pharmaceuticals into the brain through the olfactory and trigeminal nerves, bypassing the blood-brain barrier. Materials & methods: The nasal hydrogels were prepared by a cold method using pluronic F-12 and chitosan. Results: All the selected formulations were gelled at 30 degrees C. The gelation time varied from 5 to 10 min. The mucoadhesive strength was adequate to provide prolonged mucosal adhesion. The formulations exhibited good drug content after stability period of 3 months. The permeability studies revealed a high permeation of the drug through the surgically removed nasal tissue. Conclusion: The results suggest that the obtained hydrogels might be suitable candidates for the nasal delivery of phenobarbital sodium.
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