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Volume 13, Issue 1
  • ISSN: 2211-7385
  • E-ISSN: 2211-7393

Abstract

Background

Malaria remains a formidable public health obstacle across Africa, Southeast Asia, and portions of South America, exacerbated by resistance to antimalarial medications, such as artemisinin-based combinations. The combination of curcumin and artemisinin shows promise due to its potential for dose reduction, reduced toxicity, synergistic effects, and suitability for drug delivery improvement.

Objectives

This research aims to enhance the solubility and dissolution rates of curcumin and artemisinin by employing Solid Lipid Nanoparticles (SLNs). Oral delivery of both drugs faces challenges due to their poor water solubility, inefficient absorption, and rapid metabolism and elimination.

Methods

The study focuses on formulating and optimizing Solid Lipid Nanoparticles (SLNs) encapsulating artemisinin (ART) and curcumin (CUR). SLNs were developed using the hot homogenization method, incorporating ultrasonication. Drug-excipient compatibility was evaluated using Differential Scanning Calorimetry (DSC). Lipid and surfactant screening was performed to select suitable components. A 32 full factorial design was utilized to investigate the influence of lipid and surfactant concentrations on key parameters, such as entrapment efficiency (%EE) and cumulative drug release (%CDR). Additionally, evaluations of %EE, drug loading, particle size, zeta potential, and drug release were conducted.

Results

Successful development of artemisinin and curcumin SLNs was achieved using a full factorial design, demonstrating controlled drug release and high entrapment efficiency. The optimized nanoparticles exhibited a size of 114.7nm, uniformity (PDI: 0.261), and a zeta potential of -9.24 mV. Artemisinin and curcumin showed %EE values of 79.1% and 74.5%, respectively, with cumulative drug release of 85.1% and 80.9%, respectively. The full factorial design indicated that increased lipid concentration improved %EE, while higher surfactant concentration enhanced drug release and %EE. Stability studies of the optimized batch revealed no alterations in physical or chemical characteristics.

Conclusion

The study successfully developed Solid Lipid Nanoparticles (SLNs) for artemisinin and curcumin, achieving controlled drug release, high entrapment efficiency, and desired particle size and uniformity. This advancement holds promise for enhancing drug delivery of herbal formulations.

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2024-07-19
2025-01-09

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Preparation and In-vitro Characterization of Solid Lipid Nanoparticles Containing Artemisinin and Curcumin
Pharm. Nanotechnol. 13, 199 (2025); https://doi.org/10.2174/0122117385296893240626061552
/content/journals/pnt/10.2174/0122117385296893240626061552
/content/journals/pnt/10.2174/0122117385296893240626061552
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  • Article Type:     Research Article
Keyword(s): Artemisinin; curcumin; design of experiment; high-speed homogenization; malaria; solid lipid nanoparticles

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