Devashish Jena, Nimisha, Iti Chauhan, Madhu Verma

Challenges and Therapeutic Approaches for the Protein Delivery System: A Review

  • Biomedical Engineering
  • Pharmaceutical Science

Abstract: The protein delivery system is one of the innovative or novel drug delivery systems in the present era. Proteins play an indispensable role in our body and are mainly found in every part, like tissue and cells of our body. It also controls various functions, such as maintaining our tissue, transportation, muscle recovery, enzyme production and acting as an energy source for our body. Protein therapeutics have big future perspectives, and their use in the treatment of a wide range of serious diseases has transformed the delivery system in the pharmaceutical and biotechnology industries. The chief advantage of protein delivery is that it can be delivered directly to the systemic circulation. So far, parenteral routes, such as intravenous, intramuscular, and subcutaneous, are the most often used method of administering protein drugs. Alternative routes like buccal, oral, pulmonary, transdermal, nasal, and ocular routes have also shown a remarkable success rate. However, as with all other types of delivery, here, several challenges are posed due to the presence of various barriers, such as the enzymatic barrier, intestinal epithelial barrier, capillary endothelial barrier, and blood-brain barrier. There are several approaches that have been explored to overcome these barriers, such as chemical modification, enzymatic inhibitors, penetration enhancers, and mucoadhesive polymers. This review article discusses the protein, its functions, routes of administration, challenges, and strategies to achieve ultimate formulation goals. Recent advancements like the protein Pegylation method and Depofoam technology are another highlight of the article.

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