Related Experiment Video
Updated: Nov 7, 2025
07:12
Spatio-Temporal In Vivo Imaging of Ocular Drug Delivery Systems using Fiberoptic Confocal Laser Microendoscopy
Published on: September 27, 2021
2.6K
Clarithromycin Solid Lipid Nanoparticles for Topical Ocular Therapy: Optimization, Evaluation and In Vivo Studies
Anroop B Nair1, Jigar Shah2, Bandar E Al-Dhubiab1
1Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia.
Pharmaceutics
|April 30, 2021
Summary
Solid lipid nanoparticles (SLNs) enhance clarithromycin delivery for ocular infections. These SLNs improved drug permeation and bioavailability, showing potential for treating endophthalmitis.
Area of Science:
- Nanotechnology
- Ophthalmology
- Pharmaceutics
Background:
- Solid lipid nanoparticles (SLNs) are explored for topical ocular drug delivery.
- Enhancing ocular drug bioavailability is crucial for effective treatment.
Purpose of the Study:
- To develop and evaluate clarithromycin-loaded SLNs for improved ocular permeation and therapeutic potential.
- To assess the feasibility of SLNs as a drug delivery system for ocular infections like endophthalmitis.
Main Methods:
- SLNs were formulated using high-speed stirring and ultrasonication.
- Solubility studies guided the selection of stearic acid, Tween 80, and Transcutol P.
- Optimization employed fractional factorial and 3^2 full factorial designs.
- Evaluations included stability, morphology, permeation, irritation, and ocular pharmacokinetics in rabbits.
Main Results:
- Optimized SLNs (CL10) demonstrated significantly enhanced ocular permeation (30.45 μg/cm²/h) compared to solution.
- CL10 showed a spherical shape, good stability, and was non-irritant.
- Pharmacokinetics revealed a 150% increase in Cmax and 2.8-fold AUC improvement, indicating enhanced bioavailability (p < 0.0001).
Conclusions:
- Developed SLNs show significant potential to improve ocular permeation and bioavailability of clarithromycin.
- This SLN approach offers a viable strategy for enhancing the therapeutic efficacy of clarithromycin in treating ocular conditions such as endophthalmitis.
