Novel Pharmaceutical Cocrystal Consisting of Chlorzoxazone and Nicotinamide: A New Promising Carrier for Solubility Augmentation.

IF 1.6 4区 医学 Q4 BIOCHEMICAL RESEARCH METHODS
Assay and drug development technologies Pub Date : 2024-11-01 Epub Date: 2024-11-08 DOI:10.1089/adt.2024.051
Arzoo Sekhani, Rahul Jha, Pranav J Shah
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引用次数: 0

Abstract

Chlorzoxazone (CHZ) is a centrally acting muscle relaxant used to treat muscle spasms. It is employed as a first-line medication for treating muscle spasms, offering both musculoskeletal relaxation and mild sedative effects. According to the biopharmaceutics classification system, it belongs to class II drug having poor solubility and high permeability. In order to improve the flow property, water solubility, and dissolution of CHZ, CHZ-nicotinamide (NA) cocrystal was prepared by liquid-assisted grinding cocrystallization (LAG CC) method using methanol as the choice of solvent. CHZ-NA cocrystal was characterized by differential scanning calorimeter (DSC), powder X-ray diffraction (PXRD), Fourier transform infrared spectrometry, and scanning electron microscopy (SEM). DSC scan showed a sharp endothermic peak shift, which is caused by the formation of a new crystal form with altered physical properties, which was further confirmed by PXRD. Also, a change in the surface morphology of LAG CC compared to CHZ was observed in SEM. The resultant CHZ-NA cocrystal displayed improved powder flow properties compared to the native form of CHZ. LAG CC demonstrated a 3.1- and 2.6-fold increase in saturated solubility and intrinsic dissolution rate, respectively, compared to CHZ alone. Furthermore, the in vitro dissolution study showed that the cumulative dissolution of CHZ in 2 h was about 53%. Whereas, dissolution of LAG CC reached 99% in 2 h, showing obvious dissolution improvement. Thus, CHZ-NA cocrystal could significantly improve the flow properties, solubility and dissolution of CHZ.

由氯唑沙宗和烟酰胺组成的新型药用共晶体:一种用于增加溶解度的新型载体。
氯唑沙宗(CHZ)是一种中枢作用的肌肉松弛剂,用于治疗肌肉痉挛。它是治疗肌肉痉挛的一线药物,具有肌肉骨骼放松和轻度镇静作用。根据生物制药分类系统,它属于溶解性差、渗透性高的第二类药物。为了改善 CHZ 的流动性、水溶性和溶解性,研究人员选择甲醇为溶剂,采用液体辅助研磨结晶(LAG CC)法制备了 CHZ-烟酰胺(NA)共晶体。差示扫描量热仪(DSC)、粉末 X 射线衍射(PXRD)、傅立叶变换红外光谱和扫描电子显微镜(SEM)对 CHZ-NA 共晶体进行了表征。DSC 扫描显示出急剧的内热峰移动,这是由于形成了一种物理性质发生变化的新晶体,PXRD 进一步证实了这一点。此外,扫描电镜还观察到 LAG CC 的表面形态与 CHZ 相比发生了变化。与原生形态的 CHZ 相比,生成的 CHZ-NA 共晶体显示出更好的粉末流动特性。与单独的 CHZ 相比,LAG CC 的饱和溶解度和内在溶解速率分别提高了 3.1 倍和 2.6 倍。此外,体外溶解研究表明,CHZ 在 2 小时内的累积溶解度约为 53%。而 LAG CC 在 2 小时内的溶出率达到 99%,显示出明显的溶出改善。因此,CHZ-NA 共晶体可显著改善 CHZ 的流动性、溶解性和溶解度。
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来源期刊
Assay and drug development technologies
Assay and drug development technologies 医学-生化研究方法
CiteScore
3.60
自引率
0.00%
发文量
33
审稿时长
>12 weeks
期刊介绍: ASSAY and Drug Development Technologies provides access to novel techniques and robust tools that enable critical advances in early-stage screening. This research published in the Journal leads to important therapeutics and platforms for drug discovery and development. This reputable peer-reviewed journal features original papers application-oriented technology reviews, topical issues on novel and burgeoning areas of research, and reports in methodology and technology application. ASSAY and Drug Development Technologies coverage includes: -Assay design, target development, and high-throughput technologies- Hit to Lead optimization and medicinal chemistry through preclinical candidate selection- Lab automation, sample management, bioinformatics, data mining, virtual screening, and data analysis- Approaches to assays configured for gene families, inherited, and infectious diseases- Assays and strategies for adapting model organisms to drug discovery- The use of stem cells as models of disease- Translation of phenotypic outputs to target identification- Exploration and mechanistic studies of the technical basis for assay and screening artifacts
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