Preparation of Atorvastatin Calcium-loaded Liposomes Using Thin-film Hydration and Coaxial Micromixing Methods: A Comparative Study

Overview

Journal Int J Pharm X

Specialty Pharmacology

Date 2024 Dec 19

PMID 39697814

Authors

Faezeh Dangkoub

Mehri Bemani Naeini

Shima Akar

Ali Badiee

Mahmoud Reza Jaafari

Mojtaba Sankian

Mohsen Tafaghodi

Seyed Ali Mousavi Shaegh

Affiliations

Soon will be listed here.

Abstract

Development of techniques to produce nanoformulations in a controlled and reproducible manner is of great importance for research, clinical trials, and industrial scale-up. This research aimed to introduce a cost-effective micromixing approach for the nanoassembly of liposomes and compared with thin-film hydration (TFH) method. Numerical simulations and design of experiments (DOE) by response surface methodology (RSM) were used to evaluate the effects of input parameters on liposome properties, aiming to identify optimal conditions. Anionic liposomes without or with atorvastatin calcium (ATC) produced using TFH and the micromixing methods showed similar characteristics in size (150-190 nm), PDI (<0.2), and zeta potential (-50 to -60 mV). Both methods achieved about 70 % encapsulation efficiency with similar drug release profile for ATC-containing liposomes. Analysis of stability and DSC thermograms revealed comparable outcomes for liposomes prepared using both techniques. Nanoliposomes produced via both approaches indicated similar in vitro biological performance regarding cellular uptake and cell viability. The micromixing approach presented an alternative method to produce nanoliposomes in a one-step manner with high controllability and reproducibility without requiring specialized equipment. Compatibility of the micromixer with various solvents, including those detrimental to conventional microfluidic materials like PDMS and thermoplastics, enables exploration of a wide range of formulations.

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