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- W2016283290 abstract "The purpose of this work was to explore the feasibility of preparing itraconazole hydrochloride to improve the solubility and dissolution rate. Itraconazole dihydrochloride was synthesized by bubbling anhydrous hydrogen chloride gas into the acetone suspension of itraconazole. Results of the elementary analysis gave the molecular formula of C35H38Cl2N8O4·2HCl and its structure was confirmed by Fourier transform infrared (FTIR), thermogravimetric analysis (TGA) and differential scanning calorimetry (DSC). Powder X-Ray diffraction (PXRD) suggested that a new crystalline form of the salt was formed. The morphology and mean size distribution study by scanning electron microscopy (SEM) and dynamic light scattering (DLS) confirmed that the salt was dispersable nanoparticle aggregation. Aqueous solubility measurements showed that the solubility of the salt, its 1:1, 1:2 and 1:3 (w/w) physical mixtures with beta-cyclodextrin (β-CD) was 6, 99, 236 and 388 times greater than itraconazole. More than 94% of itraconazole was dissolved out of the salt/β-CD 1/3 physical mixture after 60 min. The stability studies indicated that the physical mixture remained stable for 24 months in assay, the related substances and dissolution. Based on the present results, it is concluded that hydrochloride formation can significantly increase solubility and dissolution rate of itraconazole, and the formulation of itraconazole dihydrochloride/β-CD (1/3) would be an environment-friendly, economic and practical alternative to the commercially available itraconazole capsules (Sporanox®)." @default.
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- W2016283290 date "2009-02-01" @default.
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- W2016283290 title "Preparation and evaluation of itraconazole dihydrochloride for the solubility and dissolution rate enhancement" @default.
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- W2016283290 doi "https://doi.org/10.1016/j.ijpharm.2008.09.034" @default.
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