Provided herein are 2,5-disubstituted arylsulfonamide CCR3 antagonists of Formula I or II, and pharmaceutical compositions thereof:wherein X, Y, Z, and R1- R5are as defined herein. Also provided herein are methods of their use for treating, preventing, or ameliorating one or more symptoms of a CCR3-mediated disorder, disease, or condition.本發明提供式I或II之2,5-雙取代芳基磺醯胺CCR3拮抗劑、及其醫藥組合物:其中X、Y、Z及R1-R5係如本文所定義。本發明亦提供使用其來治療、預防或改善CCR3介導之病症、疾病或病狀之一或多種症狀的方法。