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.本發明係關於用於人體的治療性處置中之4-{[4-({[4-(2,2,2-三氟乙氧基)-1,2-苯並異唑-3-基]-氧基}甲基)呱啶-1-基]甲基}四氫-2H-吡喃-4-羧酸。尤其,本發明係關於在治療胃輕癱或者預防或延遲胃輕癱的發作或進展中有用之具有選擇性5-HT4受體激動作用之化合物。