Provided is a novel compound having rapid and long-lasting therapeutic effects on diseases exhibiting depressive symptoms. Specifically, provided are an agent for prevention and/or treatment of a depressive symptom, consisting of R(−)-ketamine or a pharmacologically acceptable salt thereof, and a pharmaceutical composition for prevention and/or treatment of a depressive symptom, comprising R(−)-ketamine or a pharmacologically acceptable salt thereof in an effective amount for reducing a depressive symptom, and being substantially free of S(+)-ketamine, and a pharmacologically acceptable salt thereof.
提供的是一种新型化合物,对于表现出抑郁症状的疾病具有快速和持久的治疗效果。具体地,提供了一种预防和/或治疗抑郁症状的药剂,包括R(−)-
氯胺酮或其药学上可接受的盐,并且一种药物组合物,用于预防和/或治疗抑郁症状,包括R(−)-
氯胺酮或其药学上可接受的盐,其有效量用于减轻抑郁症状,并且基本上不含S(+)-
氯胺酮或其药学上可接受的盐。