Development of a solid dosage platform for the oral delivery of bilayer vesicles

Jitinder S. Wilkhu, Sarah E. Mcneil, David E. Anderson, Marc Kirchmeier, Yvonne Perrie*

*Corresponding author for this work

Research output: Contribution to journalArticle


Within this work, we develop vesicles incorporating sub-unit antigens as solid dosage forms suitable for the oral delivery of vaccines. Using a combination of trehalose, dextran and mannitol, freeze-dried oral disintegrating tablets were formed which upon rehydration release bilayer vesicles incorporating antigen. Initial studies focused on the optimisation of the freeze-dry cycle and subsequently excipient content was optimised by testing tablet hardness, disintegration time and moisture content. The use of 10% mannitol and 10% dextran produced durable tablets which offered strong resistance to mechanical damage yet appropriate disintegration times and dispersed to release niosomes-entrapping antigen. From these studies, we have formulated a bilayer vesicle vaccine delivery system as rapid disintegrating tablets and capsules.
Original languageEnglish
JournalEuropean Journal of Pharmaceutical Sciences
Volumein press
Publication statusPublished - 12 Jun 2017

Bibliographical note

© 2017 The Authors. Published by Elsevier B.V. This is an open access article under the CC BY license (

Funding: BBSRC Industrial Case studentship (BB/G017948/1).


  • liposomes
  • oral vaccines
  • niosomes
  • vesicles
  • oral disintegrating tablets

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