Mucosal immunity is the first line of defence of the organism against several pathogens and,
at the same time, it is of critical importance in allergic diseases. Oral vaccines have been developed
with the aim of enhancing the immune response to pathogens and for the treatment of allergic diseases. One of the major
issues concerning oral vaccines is the use of oral adjuvants which could facilitate antigen presentation with the consequent
induction of an effective immune response. The present review consists of an analysis, point by point, of the different patents
that have been presented in the last 12 months in the different agencies: European (EP), US, and World Intellectual
Property Organization (WIPO) and a general analysis of the future developments and trends in this emerging area.
Keywords: Adjuvant, allergic diseases, immunoglobulin, mucosa, mucosal immunity, oral vaccines.
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