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Current Pharmaceutical Design


ISSN (Print): 1381-6128
ISSN (Online): 1873-4286

Review Article

Advanced Approaches of Bioactive Peptide Molecules and Protein Drug Delivery Systems

Author(s): Nagarani Thotakura, Lokesh Kaushik, Vipin Kumar, Simran Preet and Penke Vijaya Babu*

Volume 24 , Issue 43 , 2018

Page: [5147 - 5163] Pages: 17

DOI: 10.2174/1381612825666190206211458

Price: $65


Despite the fact that protein and peptide therapeutics are widely employed in the treatment of various diseases, their delivery is posing an unembellished challenge to the scientists. It was discovered that delivery of these therapeutic systems through oral route is easy with high patient compliance. However, proteolytic degradation and absorption through the mucosal epithelium are the barriers in this route. These issues can be minimized by the use of enzyme inhibitors, absorption enhancers, different carrier systems or either by direct modification. In the process of investigation, it was found that transdermal route is not posing any challenges of enzymatic degradation, but, still absorption is the limitation as the outer layer of skin acts as a barrier. To suppress the effect of the barrier and increase the rate of the absorption, various advanced technologies were developed, namely, microneedle technology, iontophoresis, electroporation, sonophoresis and biochemical enhancement. Indeed, even these molecules are targeted to the cells with the use of cell-penetrating peptides. In this review, delivery of the peptide and protein therapeutics using oral, transdermal and other routes is discussed in detail.

Keywords: Enzyme inhibitors, absorption enhancers, sonophoresis, cell-penetrating peptides, microneedle technology, iontophoresis.

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