As for this invention MTP inhibiter mitoratapide or including the acid attaching salting which the medicine manufacture study can be allowed, manufacturing method and MTP--related obstacle of the solution and that kind of solution which oral become, for example the high fat blood symptom, it regards those uses in obesity or dealing with II type diabetes.本発明はMTP阻害剤ミトラタピデ又は製薬学的に許容され得るその酸付加塩を含んでなる経口用溶液、そのような溶液の調製方法ならびにMTP-関連障害、例えば高脂血症、肥満又はII型糖尿病の処置におけるそれらの使用に関する。