A comparative study on micelles, liposomes and solid lipid nanoparticles for paclitaxel delivery

Area of Science:

• Nanotechnology
• Materials Science
• Biomedical Engineering

Background:

• Lipid-based nanocarriers are crucial for drug delivery.
• Targeted delivery enhances therapeutic efficacy and reduces side effects.
• Paclitaxel is a widely used chemotherapeutic agent with limitations in delivery.

Purpose of the Study:

• To compare in vitro and in vivo characteristics of LDV-targeted micelles, liposomes, and SLN.
• To evaluate their therapeutic potential for clinical development in cancer therapy.
• To provide insights into nanocarrier performance for paclitaxel delivery.

Main Methods:

• Preparation of micelles, liposomes, and SLN using specific lipids and preparation techniques.
• Characterization of physicochemical properties, drug loading efficiency, and in vitro release kinetics.
• Assessment of nanocarrier stability in biological media and in vivo antitumor efficacy in a melanoma xenograft model.

Main Results:

• Successfully prepared paclitaxel-loaded micelles (6-12 nm), liposomes (123.31 ± 5.87 nm), and SLN (80.53 ± 5.37 nm).
• SLN exhibited the slowest paclitaxel release and highest stability in biological media.
• Paclitaxel-loaded SLN significantly delayed tumor growth compared to micelles and liposomes (p < 0.05).

Conclusions:

• SLN demonstrate superior in vitro and in vivo performance for paclitaxel delivery.
• The enhanced stability and controlled release of SLN offer therapeutic advantages.
• SLN hold significant potential as effective drug delivery vehicles for anticancer therapy.