Journal
MACROMOLECULAR BIOSCIENCE
Volume 20, Issue 3, Pages -Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/mabi.201900342
Keywords
mucoadhesion; mucopenetration; nanoparticles; oral administration; PEG
Funding
- Innovation Fund Denmark [5158-00011B]
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Oral administration of actives is the most desired form of delivery, but the formulations need to overcome a variety of barriers including the intestinal mucus. This feature article summarizes the developments from the past 2-3 years in this context focusing on polymer-based formulations. The progress in assembling mucopenetrating nanoparticles is outlined considering coatings using noninteracting polymers as well as virus-like particles and charge-shifting particles. Next, polymers and their modification to enhance mucoadhesion are discussed, followed by providing examples of double-encapsulation systems that aim to combine mucopenetration with mucoadhesion in the same formulation. Finally, a short outlook is provided highlighting a few of the most pressing challenges to address.
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