The present invention relates to the use of a calcium release-activated calcium (CRAC) channel modulator, such as N-[4-(3,5-dicyclopropyl-1H-pyrazol-1-yl)phenyl]-2-(quinolin-6-yl)acetamide (Compound (A)) or a pharmaceutically acceptable salt thereof, or a pharmaceutical composition containing such a CRAC channel modulator for the treatment of esophageal cancer.