Biodegradable Polymer-Based Drug-Delivery Systems for Ocular Diseases

Area of Science:

• Ophthalmology and Biomaterials Science
• Drug Delivery Systems
• Polymer Science

Background:

• Ocular drug delivery faces significant challenges due to the eye's unique anatomical and physiological barriers.
• Conventional methods often result in poor drug bioavailability and limited therapeutic efficacy.
• Biodegradable polymers present a promising solution for overcoming these limitations.

Purpose of the Study:

• To review biodegradable polymer-based drug delivery systems for ocular diseases.
• To highlight the potential of these systems in enhancing drug bioavailability and enabling targeted therapy.
• To discuss various formulation strategies and their clinical applications in ophthalmology.

Main Methods:

• Comprehensive review of natural and synthetic biodegradable polymers.
• Investigation of formulation strategies including nanoparticles, hydrogels, and microemulsions.
• Analysis of preparation methods, drug encapsulation, and clinical applications for anterior and posterior ocular segments.

Main Results:

• Biodegradable polymers facilitate sustained drug release and improved bioavailability.
• Formulation strategies like nanoparticles and hydrogels show potential for targeted ocular drug delivery.
• Systems are applicable to a range of conditions including glaucoma, AMD, and diabetic retinopathy.

Conclusions:

• Biodegradable polymers offer a viable strategy for efficient and targeted ocular drug delivery.
• These systems can improve therapeutic outcomes and reduce side effects in treating eye diseases.
• Optimization of formulations and addressing regulatory aspects are crucial for clinical translation.