Results:The protracted withdrawal symptoms,emotional disorder and drug-seeking behavior were improved significantly in trazodone group than in controls,and severe side effects were not found.

• 结果:曲唑酮较安慰剂能明显减轻患者的稽延性戒断症状、情绪障碍及对毒品的心理渴求,且无严重不良反应。