Solubility and Thermodynamics Data of Cabozantinib Malate in Various Aqueous Solutions of Dimethyl Sulfoxide at Different Temperatures.
Molecules
; 28(23)2023 Nov 27.
Article
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| MEDLINE
| ID: mdl-38067534
ABSTRACT
Cabozantinib malate (CBZM), a new anticancer medication, has been studied for its solubility and thermodynamic properties in a variety of {dimethyl sulfoxide (DMSO) + water (H2O)} mixtures at 298.2-318.2 K and 101.1 kPa. Using the shake flask technique, the solubility of CBZM was assessed and the results were correlated to the van't Hoff, Apelblat, Buchowski-Ksiazczak λh, Yalkowsky-Roseman, Jouyban-Acree, and Jouyban-Acree-van't Hoff models. There was a significant correlation between the experimental CBZM solubility data and all computational models, as evidenced by the error values for all computational models being less than 5.0%. Temperature and DMSO mass percentage improved the CBZM mole fraction solubility in the cosolvent solutions of {DMSO + H2O}. At 318.2 K, pure DMSO had the highest mole fraction solubility of CBZM (4.38 × 10-2), whereas pure H2O had the lowest mole fraction solubility (2.24 × 10-7 at 298.2 K). The positive values of computed thermodynamic parameters indicated that the dissolution of CBZM was endothermic and entropy-driven in all of the {DMSO + H2O} solutions investigated. It was found that the CBZM solvation in {DMSO + H2O} solutions is governed by enthalpy. When compared to CBZM-H2O, CBZM-DMSO showed the highest molecular interactions. The findings of this investigation demonstrated that DMSO has a great deal of potential for CBZM solubilization in H2O.
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