%0 Case Reports %T Dohsa-hou for unexplained regression in Down syndrome in a 19-year-old man: A case report. %A Fujino H %A Moritsugu A %J Clin Case Rep %V 10 %N 5 %D May 2022 %M 35600012 暂无%R 10.1002/ccr3.5827 %X Unexplained regression in Down syndrome (URDS) has become a significant issue in clinical practice and research. This report illustrates the case of a patient with URDS treated with psychological treatment using Dohsa-hou, in addition to medication. Although psychological treatment may be helpful, monitoring potential risks of acute aggression is necessary.