Challenges and Recent Progress in Oral Drug Delivery Systems for Biopharmaceuticals

Overview

Journal Pharmaceutics

Publisher MDPI

Date 2019 Mar 22

PMID 30893852

Citations 202

Authors

Bahman Homayun

Xueting Lin

Hyo-Jick Choi

Affiliations

Soon will be listed here.

Abstract

Routes of drug administration and the corresponding physicochemical characteristics of a given route play significant roles in therapeutic efficacy and short term/long term biological effects. Each delivery method has favorable aspects and limitations, each requiring a specific delivery vehicles design. Among various routes, oral delivery has been recognized as the most attractive method, mainly due to its potential for solid formulations with long shelf life, sustained delivery, ease of administration and intensified immune response. At the same time, a few challenges exist in oral delivery, which have been the main research focus in the field in the past few years. The present work concisely reviews different administration routes as well as the advantages and disadvantages of each method, highlighting why oral delivery is currently the most promising approach. Subsequently, the present work discusses the main obstacles for oral systems and explains the most recent solutions proposed to deal with each issue.

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