The present invention relates to the use of 4-(4-Fluoro-2-methoxyphenyl)-N-{3-[(S-methylsulfonimidoyl)methyl]phenyl}-1,3,5-triazin-2-amine (compound A), more particularly (+)-4-(4-Fluoro-2-methoxyphenyl)-N-{3-[(S-methylsulfonimidoyl)methyl]phenyl}-1,3,5-triazin-2-amine (compound A), for treating gastric cancer, preferably gastric cancers in which cells have an amplification of the C-MYC gene.本發明係關於4-(4-氟-2-甲氧苯基)-N-{3-[(S-甲基磺醯亞胺醯基)甲基]苯基}-1,3,5-三-2-胺(化合物A)、更具體而言(+)-4-(4-氟-2-甲氧苯基)-N-{3-[(S-甲基磺醯亞胺醯基)甲基]苯基}-1,3,5-三-2-胺(化合物A)用於治療胃癌、較佳其中細胞具有C-MYC基因擴增之胃癌之用途。
