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Recent Advancements and Patents on Buccal Drug Delivery Systems: A Comprehensive Review


Nimisha Srivastava* and Sahifa Aslam  


The major requirement for a dosage form to be successful is its ability to penetrate the site of application and the bioavailability of the drug released from the dosage form. The buccal drug delivery is an influential route to deliver the drug into the body. Here in this context, various novel approaches that include lipoidal carriers like ethosomes, transferosomes, niosomes, etc. and electrospun nanofibers are discussed with respect to buccal drug delivery. These carriers can be easily incorporated into buccal dosage forms like patches and gels which are responsible for increased permeation across the buccal epithelium. The in vivo methods of evaluation on animal models are conscribed here. The novel biocarriers of lipoidal and non-lipoidal nature can be utilised by loading the drug into them, which are helpful in preventing drug degradation and other drawbacks as compared to conventional formulations. The globally patented buccal formulations give us a wide context in literature about the patents filed and granted in recent years. When it comes to patient compliance, age is an issue, which is also solved by the buccal route. The paediatric buccal formulations are researched for the customisation to be delivered to children. Diseases like mouth ulcers, oral cancer, Parkinson’s disease, aphthous stomatitis, etc. have been successfully treated through the buccal route, which infers that the buccal drug delivery system is an effective and emerging area for formulation and development in the field of Pharmaceutics.


Buccal, penetration, buccal mucosa, lipid carriers, diseases, animal models, patents.


Amity Institute of Pharmacy, Amity University Uttar Pradesh, Lucknow, Amity Institute of Pharmacy, Amity University Uttar Pradesh, Lucknow

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