This invention relates to 4-{[4-({([4-(2,2,2-trifluoroethoxy)-1,2-benzisoxazol-3-yl]-oxy}methyl)piperidin-1-yl]methyl}tetrahydro-2H-pyran-4-carboxylic acid for use in therapeutic treatment of the human body. In particular, it relates to the compound having selective 5-HT4 receptor agonism, which is useful for treating gastroparesis, or preventing or delaying the onset or the progression of gastroparesis.