Oral Nanomedicine: Challenges and Opportunities

Area of Science:

• Pharmaceutical Sciences
• Biotechnology
• Materials Science

Background:

• Oral drug administration offers advantages over injections, including reduced discomfort and infection risk, leading to higher patient compliance.
• However, the gastrointestinal environment presents significant biological barriers, drastically reducing the bioavailability of many drugs, particularly biologics like peptides, proteins, and antibodies.
• Nanotechnology presents a promising avenue for overcoming these barriers and enhancing the efficacy of oral medications.

Purpose of the Study:

• To review the biological barriers hindering oral drug administration.
• To explore the development and biomedical applications of oral nanomedicine utilizing organic and inorganic nanomaterials.
• To discuss the future challenges and opportunities in the field of oral nanomedicine for clinical translation.

Main Methods:

• Review of existing literature on biological barriers to oral drug delivery.
• Analysis of studies on oral nanomedicine formulations using organic and inorganic nanomaterials.
• Synthesis of information on the biomedical applications of oral nanomedicine in various diseases.
• Discussion of future trends, challenges, and opportunities in oral nanomedicine development.

Main Results:

• Identification and discussion of key gastrointestinal biological barriers affecting oral drug bioavailability.
• Overview of diverse oral nanomedicine strategies employing organic and inorganic nanomaterials.
• Compilation of successful biomedical applications of oral nanomedicine across various disease areas.
• Analysis of current limitations and future potential for clinical implementation and standardized production.

Conclusions:

• Oral nanomedicine holds significant potential to enhance the bioavailability and therapeutic efficacy of drugs, especially biologics.
• Overcoming gastrointestinal barriers through nanotechnology is crucial for advancing oral drug delivery.
• Further research and development are needed to address challenges and realize the full clinical potential of oral nanomedicine.