Ceftriaxone (CTX) a third-generation cephalosporin, is a broad-spectrum antibiotic that can be used by intramuscular or intravenous routes to treat various types of infection. However, CTX has poor cellular penetration and poor diffusion due to its high molecular weight and high hydrophilicity. To address these problems, we propose an innovative nanotherapy based on the encapsulation of CTX in a nanostructured lipid carrier. Usually, several attempts must be done, on a trial-and-error basis, until a formulation that guarantees high drug encapsulation and suitable physicochemical properties is found. Machine Learning (ML) has recently stirred great interest as a tool to model and predict the nanoparticles biological activity. Herein, for the first time, the use of ML for the optimization of a nanoformulation is explored. Several variables were optimized simultaneously, namely the amount of solid lipid, the percentage of liquid lipid, the surfactant solution, the water volume, the sonication amplitude, and the sonication time. To define the best nanoformulation, three different outcomes were considered: encapsulation efficiency of CTX, size of the nanoparticles and their zeta potential. Our ML approach was able to find, with a low number of experiments, the conditions that provided formulations with the highest encapsulation efficiency of CTX and nanoparticles with suitable size and adequate zeta potential. Besides the impressive acceleration of the optimization process that was achieved, the optimization guided by our ML model also provided insights over the optimization of other nanoformulations.
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Optimization by Machine Learning of lipid-based Ceftriaxone delivery system
Published: 01 November 2022 by MDPI in 8th International Electronic Conference on Medicinal Chemistry session Emerging technologies in drug discovery
Keywords: Lipid-based nanocarriers; ceftriaxone; optimization; machine learning