Abstract
In recent years, advances in biotechnology and protein engineering have enabled the production of large quantities of proteins and peptides as important therapeutic agents. Various researchers have used biocompatible functional polymers to prepare oral dosage forms of proteins and peptides for chronic use and for easier administration to enhance patient compliance. However, there is a need to enhance their safety and effectiveness further. Most macromolecules undergo severe denaturation at low pH and enzymatic degradation in the gastrointestinal tract. The macromolecules large molecular size and low lipophilicity cause low permeation through the intestinal membrane. The major strategies that have been used to overcome these challenges (in oral drug carrier systems) can be classified as follows: enteric coating or encapsulation with pH-sensitive polymers or mucoadhesive polymers, co-administration of protease inhibitors, incorporation of absorption enhancers, modification of the physicochemical properties of the macromolecules, and site-specific delivery to the colon. This review attempts to summarize the various advanced oral delivery carriers, including nanoparticles, lipid carriers, such as liposomes, nano-aggregates using amphiphilic polymers, complex coacervation of oppositely charged polyelectrolytes, and inorganic porous particles. The particles were formulated and/or surface modified with functional polysaccharides or synthetic polymers to improve oral bioavailability of proteins and peptides. We also discuss formulation strategies to overcome barriers, therapeutic efficacies in vivo, and potential benefits and issues for successful oral dosage forms of the proteins and peptides.
Keywords: Inorganic porous particle, lipid-based carrier, mucoadhesive polymers, nanoparticle, oral absorption, oral delivery, polysaccharides, proteins and peptides.
Current Pharmaceutical Design
Title:Multifunctional Delivery Systems for Advanced oral Uptake of Peptide/Protein Drugs
Volume: 21 Issue: 22
Author(s): Jin Woo Park, Sun Jin Kim, Dong Sup Kwag, Sol Kim, Jeyoung Park, Yu Seok Youn, You Han Bae and Eun Seong Lee
Affiliation:
Keywords: Inorganic porous particle, lipid-based carrier, mucoadhesive polymers, nanoparticle, oral absorption, oral delivery, polysaccharides, proteins and peptides.
Abstract: In recent years, advances in biotechnology and protein engineering have enabled the production of large quantities of proteins and peptides as important therapeutic agents. Various researchers have used biocompatible functional polymers to prepare oral dosage forms of proteins and peptides for chronic use and for easier administration to enhance patient compliance. However, there is a need to enhance their safety and effectiveness further. Most macromolecules undergo severe denaturation at low pH and enzymatic degradation in the gastrointestinal tract. The macromolecules large molecular size and low lipophilicity cause low permeation through the intestinal membrane. The major strategies that have been used to overcome these challenges (in oral drug carrier systems) can be classified as follows: enteric coating or encapsulation with pH-sensitive polymers or mucoadhesive polymers, co-administration of protease inhibitors, incorporation of absorption enhancers, modification of the physicochemical properties of the macromolecules, and site-specific delivery to the colon. This review attempts to summarize the various advanced oral delivery carriers, including nanoparticles, lipid carriers, such as liposomes, nano-aggregates using amphiphilic polymers, complex coacervation of oppositely charged polyelectrolytes, and inorganic porous particles. The particles were formulated and/or surface modified with functional polysaccharides or synthetic polymers to improve oral bioavailability of proteins and peptides. We also discuss formulation strategies to overcome barriers, therapeutic efficacies in vivo, and potential benefits and issues for successful oral dosage forms of the proteins and peptides.
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Cite this article as:
Park Woo Jin, Kim Jin Sun, Kwag Sup Dong, Kim Sol, Park Jeyoung, Youn Seok Yu, Bae Han You and Lee Seong Eun, Multifunctional Delivery Systems for Advanced oral Uptake of Peptide/Protein Drugs, Current Pharmaceutical Design 2015; 21 (22) . https://dx.doi.org/10.2174/1381612821666150531163944
DOI https://dx.doi.org/10.2174/1381612821666150531163944 |
Print ISSN 1381-6128 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4286 |
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