The present invention provides a method of treating a human with cancer comprising detecting at least one mutation in a PIK3CA gene or at least one mutant protein encoded by said PIK3CA gene from at least one first sample from said human and administering to said human an effective amount of 2,4-difluoro-N-2-(methyloxy)-5-[4-(4-pyridazinyl)-6-quinolinyl]-3-pyridinyl}benzenesulfonamide or a pharmaceutically acceptable salt thereof in a pharmaceutical composition if said at least one sample has at least one mutant PI3K protein or a mutation in the PIK3CA gene.
本发明提供了一种治疗癌症的方法,包括检测来自人体的至少一个第一样本中的
PIK3CA
基因中的至少一个突变或由该
PIK3CA
基因编码的至少一个突变蛋白,并且如果该至少一个样本中至少有一个突变
PI3K蛋白或
PIK3CA
基因中的突变,则向该人体施用2,4-二
氟-N-2-(甲氧基)-5-[4-(4-
吡啶基)-6-
喹啉基]-3-
吡啶基}苯磺酰胺或其在制药组合物中的药用可接受的盐的有效量。