The Discovery of Orally Bioavailable Tyrosine Threonine Kinase (TTK) Inhibitors: 3-(4-(heterocyclyl)phenyl)-1H-indazole-5-carboxamides as Anticancer Agents
摘要:
The acetamido and carboxamido substituted 3-(1H-indazol-3-yl)benzenesulfonamides are potent TTK inhibitors. However, they display modest ability to attenuate cancer cell growth; their physicochemical properties, and attendant pharmacokinetic parameters, are not drug-like. By eliminating the polar 3-sulfonamide group and grafting a heterocycle at the 4 position of the phenyl ring, potent inhibitors with oral exposure were obtained. An X-ray cocrystal structure and a refined binding model allowed for a structure guided approach. Systematic optimization resulted in novel TTK inhibitors, namely 3-(4-(heterocyclyl)phenyl)-1H-indazole-5-carboxamides. Compounds incorporating the 3-hydroxy-8-azabicyclo[3.2.1]octan-8-yl bicyclic system were potent (TTK IC50 < 10 nM, HCT116 GI(50) < 0.1 mu M), displayed low off-target activity (>500X), and microsomal stability (T-1/2 > 30 min). A subset was tested in rodent PK and mouse xenograft models of human cancer. Compound 75 (CFI-401870) recapitulated the phenotype of TTK RNAi, demonstrated in vivo tumor growth inhibition upon oral dosing, and was selected for preclinical evaluation.
The Discovery of Orally Bioavailable Tyrosine Threonine Kinase (TTK) Inhibitors: 3-(4-(heterocyclyl)phenyl)-1H-indazole-5-carboxamides as Anticancer Agents
摘要:
The acetamido and carboxamido substituted 3-(1H-indazol-3-yl)benzenesulfonamides are potent TTK inhibitors. However, they display modest ability to attenuate cancer cell growth; their physicochemical properties, and attendant pharmacokinetic parameters, are not drug-like. By eliminating the polar 3-sulfonamide group and grafting a heterocycle at the 4 position of the phenyl ring, potent inhibitors with oral exposure were obtained. An X-ray cocrystal structure and a refined binding model allowed for a structure guided approach. Systematic optimization resulted in novel TTK inhibitors, namely 3-(4-(heterocyclyl)phenyl)-1H-indazole-5-carboxamides. Compounds incorporating the 3-hydroxy-8-azabicyclo[3.2.1]octan-8-yl bicyclic system were potent (TTK IC50 < 10 nM, HCT116 GI(50) < 0.1 mu M), displayed low off-target activity (>500X), and microsomal stability (T-1/2 > 30 min). A subset was tested in rodent PK and mouse xenograft models of human cancer. Compound 75 (CFI-401870) recapitulated the phenotype of TTK RNAi, demonstrated in vivo tumor growth inhibition upon oral dosing, and was selected for preclinical evaluation.
KINASE INHIBITORS AND METHOD OF TREATING CANCER WITH SAME
申请人:Pauls Heinz W.
公开号:US20140005167A1
公开(公告)日:2014-01-02
The present teachings provide a compound represented by structural formula (I):
or a pharmaceutically acceptable salt thereof. Also described are pharmaceutical compositions and methods of use thereof.
本教学提供了一种由结构式(I)表示的化合物,或其药用可接受的盐。还描述了药物组合物及其使用方法。
[EN] INDAZOLE COMPOUNDS AS KINASE INHIBITORS AND METHOD OF TREATING CANCER WITH SAME<br/>[FR] COMPOSÉS INDAZOLE UTILISÉS COMME INHIBITEURS DE KINASE ET MÉTHODE DE TRAITEMENT DU CANCER AVEC LESDITS COMPOSÉS
申请人:UNIV HEALTH NETWORK
公开号:WO2013053051A1
公开(公告)日:2013-04-18
The present teaching provide indazole compounds represented by Structural Formulae (I) or (I') or a pharmaceutically acceptable salt thereof. Also described are pharmaceutical compositions and methods of use thereof as protein kinase inhibitors, such as TTK protein kinase, polo-like kinase 4 (PLK4) and Aurora kinases having anticancer activity against breast cancer cells, colon cancer cells, and ovarian cancer cells.
INDAZOLE COMPOUNDS AS KINASE INHIBITORS AND METHOD OF TREATING CANCER WITH SAME
申请人:University Health Network
公开号:US20140371202A1
公开(公告)日:2014-12-18
The present teaching provide indazole compounds represented by Structural Formulae (I) or (I′) or a pharmaceutically acceptable salt thereof. Also described are pharmaceutical compositions and methods of use thereof as protein kinase inhibitors, such as TTK protein kinase, polo-like kinase 4 (PLK4) and Aurora kinases having anticancer activity against breast cancer cells, colon cancer cells, and ovarian cancer cells.