Addressing Drug Delivery Failures: The Potential of Functionalized Nano/Microcapsules.

Area of Science:

• Biomedical Engineering
• Nanotechnology
• Pharmacology

Background:

• Significant drug losses occur before reaching target sites, reducing therapeutic efficacy.
• Current drug delivery methods face challenges in targeted delivery and payload protection.

Purpose of the Study:

• To review strategies for improving drug delivery efficiency using functionalized nano/microparticles.
• To explore methods for creating targeted drug delivery systems, akin to Ehrlich's "magic bullets".

Main Methods:

• Utilizing functionalized nano/microparticles for drug encapsulation and targeted delivery.
• Designing surface moieties on particles to prevent off-target accumulation and facilitate cellular uptake.
• Ensuring drug payload integrity by preventing premature environmental exposure.

Main Results:

• Functionalized nano/microparticles demonstrate potential to minimize drug degradation and loss.
• Surface modifications enable targeted transport and efficient cell membrane penetration.
• Controlled release mechanisms ensure drug availability at the intended cellular targets.

Conclusions:

• Functionalized nano/microparticles offer a promising approach to enhance drug delivery and therapeutic outcomes.
• Targeted delivery systems are crucial for overcoming drug loss and improving treatment effectiveness.
• Further development in nano/microparticle design can revolutionize pharmaceutical applications.