The present invention provides a composition for treating a central nervous system disorder in a mammalian subject, which comprises administering an effective amount of a 11-deoxy-prostaglandin compound to a subject in need thereof. The invention also provide novel 11-deoxy-prostaglandin compound.本發明提供一種於哺乳類對象中處理中樞神經系統失常用之組成物,其包括對有需要之對象投予有效量之11-去羥基-前列腺素化合物。本發明亦提供新穎之11-去羥基-前列腺素化合物。