Development of microemulsions for ocular delivery.

Area of Science:

• Pharmaceutical Sciences
• Nanotechnology
• Ocular Drug Delivery

Background:

• Microemulsions (MEs) are thermodynamically stable dispersions of oil and water phases, stabilized by surfactants and co-surfactants, with droplet sizes under 100 nm.
• MEs offer significant advantages for ocular drug delivery, including enhanced drug retention, prolonged action, improved absorption, and ease of administration.

Purpose of the Study:

• To review recent advancements in microemulsion (ME) and self-emulsifying drug delivery systems (SEDDS).
• To examine the application of MEs and SEDDS specifically for ocular drug delivery.
• To explore patents, toxicity, and stability aspects of ME systems in this context.

Main Methods:

• Literature review of recent developments in microemulsions and self-emulsifying drug delivery systems.
• Analysis of studies focusing on ocular applications of these systems.
• Inclusion of information on patents, toxicity, and stability relevant to ocular ME formulations.

Main Results:

• Microemulsions demonstrate significant potential for improving ocular drug delivery efficacy.
• Recent developments show promise in optimizing ME formulations for enhanced ocular absorption and retention.
• Consideration of patents, toxicity, and stability is crucial for clinical translation.

Conclusions:

• Microemulsions and self-emulsifying drug delivery systems represent a promising platform for advanced ocular drug delivery.
• Further research into formulation optimization, safety, and stability is warranted for successful clinical application.
• These systems offer a versatile approach to overcome challenges in delivering drugs to the eye.