Andrews P, Hall J N, Snaith R P
Br J Psychiatry. 1976 May;128:451-5. doi: 10.1192/bjp.128.5.451.
Phenothiazine drugs were withdrawn from 17 chronic schizophrenic in-patients, with a control group of 14 patients remaining on active medication. The trial was conducted under double blind conditions over a period of 42 weeks with weekly assessment of the patients by ward nurses. Of the placebo group 35% relapsed, relapse being related to the level of previous active medication.
对17名慢性精神分裂症住院患者停用了吩噻嗪类药物，另有14名患者组成对照组继续服用有效药物。该试验在双盲条件下进行，为期42周，病房护士每周对患者进行评估。安慰剂组中有35%的患者复发，复发与之前有效药物的使用剂量有关。
