期刊
INTERNATIONAL JOURNAL OF PHARMACEUTICS
卷 633, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.ijpharm.2023.122639
关键词
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The current study aimed to select the optimal lipid solid dispersion for cannabidiol by screening different lipid excipients and inorganic carriers. The selected dispersion was found to enhance the solubility of cannabidiol and showed good tableting properties. The Design of Experiments revealed that the percentage of dispersion and compression forces were the main influencing factors. It was also highlighted that there are certain limitations in manufacturing tablets with lipid materials.
The aims of this study were, firstly, to select an optimal lipid solid dispersion of cannabidiol among different lipid excipients (Gelucire (R) 50/13, 48/16, 44/14 and Labrasol (R)) and inorganic carriers (colloidal silica, Syloid (R) XDP and Neusilin (R) US2) through a screening plan. The enhancement of aqueous solubility of cannabidiol from a free-flowing powder with adequate drug content was obtained by mixing cannabidiol (20%) with Gelucire (R) 50/13 (40%; Gattefosse ', France), both incor-porated inside mesopores of mesoporous silica Syloid (R) XDP (40%; Grace, Germany). Secondly, we have studied the tableting properties of this selected dispersion through a Design of Experiments (DoE) by manufacturing tablets with other excipients with using a compression simulator (Styl'One (R) Evo, Medelpharm, France). The design of experiments included the percentage of lipid solid dispersion, of glidant, of lubricant and different compression forces. The dissolution efficiency, the drug content, the tensile strength and the ejection force were analyzed. The DoE showed that % of dispersion as well as compression forces were the main influential variables. An exit of lipid materials outside the mesopores of silica due to compression process has been highlighted, reflected by reduced tensile strength. This study showed the possibility of manufacturing tablets with lipid materials even if limitations have been highlighted. Indeed, the dispersion percentage must not exceed 27% and compression forces up to 13 kN are required to produce lipid tablets with optimal properties.
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