Provided herein are 2,5-disubstituted arylsulfonamide CCR3 antagonists of Formula I or II, and pharmaceutical compositions thereof: wherein X, Y, Z, and R1-R5 are 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. US2010273785A1