Improving the solubility of dexlansoprazole by cocrystallization with isonicotinamide

被引:21
作者
Li, Jianhui [1 ,2 ]
Wang, Lianyan [2 ]
Ye, Yue Qi [3 ]
Fu, Xue [2 ]
Ren, Qinghua [1 ]
Zhang, Hailu [2 ]
Deng, Zongwu [2 ]
机构
[1] Shanghai Univ, Coll Sci, Shanghai 200444, Peoples R China
[2] Chinese Acad Sci, Lab Magnet Resonance Spect & Imaging, Suzhou Inst Nanotech & Nanobion, Suzhou 215123, Peoples R China
[3] JEOL Beijing Co Ltd, Beijing 100190, Peoples R China
关键词
Pharmaceutical cocrystal; Proton-pump inhibitor; Dexlansoprazole; Intermolecular interaction; Solubilization; PHARMACEUTICAL COCRYSTALS; SOLID-STATE; LANSOPRAZOLE; STABILITY; FORMS; ACIDS; OMEPRAZOLE; CONTINUUM; SALTS;
D O I
10.1016/j.ejps.2016.01.029
中图分类号
R9 [药学];
学科分类号
1007 ;
摘要
Cocrystallization of an active pharmaceutical ingredient (API) with a cocrystal former (co-former) is widely used to tailor the physicochemical properties of parent APIs. For proton-pump inhibitors (PPIs), the isolation of cocrystals has not been widely investigated. Here, a 1:1 cocrystal of a PPI molecule, dexlansoprazole (DLS), was obtained by solvent crystallization with isonicotinamide (INM). The product was characterized by X-ray powder diffraction (XRPD), differential scanning calorimetry (DSC), solid-state and liquid NMR, as well as Fourier transform infrared spectroscopy (FTIR) techniques. A two-point R-2(2) (9) hetero-synthon was proposed to exist in the cocrystal, where intermolecular hydrogen bonding occurs between NH, SO groups of DLS and amide of INM. The dissolution profiles of DLS and DLS-INM in water were also collected, and the results demonstrate the cocrystal exhibits superior apparent maximum solubility relative to the pure drug. (C) 2016 Elsevier B.V. All rights reserved.
引用
收藏
页码:47 / 52
页数:6
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