Pharmacokinetic optimitzation of CCG-203971: Novel inhibitors of the Rho/MRTF/SRF transcriptional pathway as potential antifibrotic therapeutics for systemic scleroderma
作者:Kim M. Hutchings、Erika M. Lisabeth、Walajapet Rajeswaran、Michael W. Wilson、Roderick J. Sorenson、Phillip L. Campbell、Jeffrey H. Ruth、Asif Amin、Pei-Suen Tsou、Jeffrey R. Leipprandt、Samuel R. Olson、Bo Wen、Ting Zhao、Duxin Sun、Dinesh Khanna、David A. Fox、Richard R. Neubig、Scott D. Larsen
DOI:10.1016/j.bmcl.2017.02.070
日期:2017.4
of a novel inhibitor of Rho-mediated gene transcription (1, CCG-203971) that is efficacious in multiple animal models of acute fibrosis, including scleroderma, when given intraperitoneally. The modest in vivo potency and poor pharmacokinetics (PK) of this lead, however, make it unsuitable for long term efficacy studies. We therefore undertook a systematic medicinal chemistry effort to improve both
我们最近报道了腹膜内给予Rho介导的基因转录的新型抑制剂(1,CCG-203971)的开发,该抑制剂在包括硬皮病在内的多种急性纤维化动物模型中均有效。但是,这种潜在的体内效力中等,药代动力学(PK)较差,因此不适合进行长期功效研究。因此,我们进行了系统的药物化学研究,以改善代谢稳定性和1的溶解度,从而鉴定出两个类似物,从而使小鼠血浆暴露增加了10倍以上。随后我们发现,以50mg / kg的口服剂量给药时,其中一种类似物(8f,CCG-232601)可以抑制博莱霉素诱导的小鼠皮肤纤维化的发展,