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Published on: April 6, 2017
Oral Delivery Strategies for Biological Drugs
Huiling Zeng1,2, Mingyang Ma1,2, Xiuju Peng1,2
1Shanghai Skin Disease Hospital, Tongji University School of Medicine, Shanghai, 200443, China.
Oral biologics offer improved patient compliance but face gastrointestinal challenges. Novel delivery systems, including nanoparticle-based and colon-targeted approaches, are advancing oral biologic bioavailability.
Area of Science:
- Biopharmaceutical delivery systems
- Drug bioavailability enhancement
- Gastrointestinal drug absorption
Background:
- Biologics offer advantages over small molecules due to low toxicity, high specificity, and biocompatibility.
- Oral administration of biologics enhances patient compliance but is hindered by the gastrointestinal environment.
- Current biologic administration is predominantly parenteral due to bioavailability challenges.
Purpose of the Study:
- To review physiological barriers for oral biologic delivery.
- To describe current oral biologics and delivery technologies.
- To discuss advancements in novel oral delivery systems and colon-targeted approaches.
Main Methods:
- Review of existing literature on oral biologics delivery.
- Analysis of current market and clinical trial data for oral biologics.
- Exploration of emerging technologies like nanoparticles, ionic liquids, and microneedles.
- Investigation of colon-targeted delivery strategies.
Main Results:
- Significant physiological barriers limit oral biologic bioavailability, including low pH, enzyme degradation, and poor permeability.
- Novel delivery systems such as nanoparticles, ionic liquids, and microneedles show promise.
- Colon-targeted delivery offers potential advantages due to a less hostile enzymatic environment.
Conclusions:
- Advancements in delivery technologies are crucial for overcoming oral biologic challenges.
- Further research into biologic drugs and delivery methods can unlock new opportunities for oral administration.
- Successful oral biologic delivery could revolutionize patient treatment and compliance.
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