PROBLEM TO BE SOLVED: To provide a method for treating nonalcoholic fatty liver disease (NAFLD) and/or nonalcoholic steatohepatitis (NASH) and/or negative effect of each of them.SOLUTION: There is provided the method including a step to administer a compound of formula (I) (wherein m is an integer of 2 to 5 and n is an integer of 3 to 8, and each of X1 and X2 independently represents a sulfur atom, an oxygen atom, a sulfinyl group or a sulfonyl group if X1 and X2 are not simultaneously oxygen atoms) or a metabolite thereof, or an ester of the compound of formula (I) or a metabolite thereof, or pharmaceutically acceptable salt of each of them.COPYRIGHT: (C)2013,JPO&INPIT【課題】非アルコール性脂肪性肝疾患(NAFLD)及び/若しくは非アルコール性脂肪性肝炎(NASH)並びに/又はこれらそれぞれの負の効果を処置する方法の提供。【解決手段】式(I)の化合物:(式中、mは2~5の整数であり、そしてnは3~8の整数であり、X1及びX2は、X1及びX2が同時に酸素原子でなければ、それぞれ独立して硫黄原子、酸素原子、スルフィニル基又はスルホニル基を表す。)若しくはその代謝産物、又は式(I)の化合物のエステル若しくはその代謝産物、或いはこれらそれぞれの薬学的に許容可能な塩。【選択図】なし
