Rapid generation of a novel DPP-4 inhibitor with long-acting properties: SAR study and PK/PD evaluation
作者:Hui Xie、Shaogao Zeng、Yuwen He、Guicheng Zhang、Pengjiu Yu、Guifa Zhong、Hongjiang Xu、Ling Yang、Shanchun Wang、Xin Zhao、Wenhui Hu
DOI:10.1016/j.ejmech.2017.10.029
日期:2017.12
Drug compliance is critical for patients with chronic diseases such as diabetes. In our continuous effort to find better glucose-lowering agents, an exploration for long-acting DPP-4 inhibitors had been launched. Based on our previously reported compounds bearing a pyrrolopyrimidine scaffold, the lead compound 4a (IC50 = 2.3 nM, t1/2(rat) = 5.46 h) with pharmacokinetic superiority was rapidly determined
药物依从性对患有慢性疾病(例如糖尿病)的患者至关重要。为了不断寻找更好的降糖药,我们开始了对长效DPP-4抑制剂的探索。基于我们先前报道的带有吡咯并嘧啶骨架的化合物 ,可以 快速确定具有药代动力学优势的先导化合物4a(IC 50 = 2.3 nM,t 1/2(rat) = 5.46 h)。进一步的SAR研究表明,吡咯环通常可耐受变异,其中β取代具有更好的DPP-4亲和力。在对吡咯环β位置进行深度评估后,鉴定出了高效化合物12a(IC 50 = 0.76 nM,t 1/2(rat) = 7.89 h)。体内药效学测试表明,与此类药物中首次上市的每周一次的曲拉格列汀药物相比,对化合物4a和12a的持续DPP-4抑制作用相似或什至稍好,这表明改善DPP-4抑制活性或药代动力学特性可能是可行的方法迅速产生长效DPP-4抑制剂。