As a coagulation factor in the intrinsic coagulation pathway,factor XIa(FXIa)is an effective and safe target for the development of antithrombotic drugs.Many small-molecule FXIa inhibitors have been discovered,some of...As a coagulation factor in the intrinsic coagulation pathway,factor XIa(FXIa)is an effective and safe target for the development of antithrombotic drugs.Many small-molecule FXIa inhibitors have been discovered,some of which are being evaluated in clinical trials.However,none of them have been approved.In the present study,a highly selective potent FXIa inhibitor with poor solubility reported in our previous work was selected as a lead compound to be further modified to improve FXIa potency and physicochemical properties.The structure-based drug design and structure-activity relationship study led to the discovery of LY8,LY17,and LY25,which demonstrated enhanced FXIa potency and maintained excellent selectivity.In addition,LY8 exhibited significantly improved aqueous solubility,suggesting that it could be a promising compound to be further evaluated.展开更多
基金National Natural Science Foundation of China(Grant No.81803352)。
文摘As a coagulation factor in the intrinsic coagulation pathway,factor XIa(FXIa)is an effective and safe target for the development of antithrombotic drugs.Many small-molecule FXIa inhibitors have been discovered,some of which are being evaluated in clinical trials.However,none of them have been approved.In the present study,a highly selective potent FXIa inhibitor with poor solubility reported in our previous work was selected as a lead compound to be further modified to improve FXIa potency and physicochemical properties.The structure-based drug design and structure-activity relationship study led to the discovery of LY8,LY17,and LY25,which demonstrated enhanced FXIa potency and maintained excellent selectivity.In addition,LY8 exhibited significantly improved aqueous solubility,suggesting that it could be a promising compound to be further evaluated.