[Placebo control and its methodological issues on clinical trials of acupuncture therapy].

The paper introduces the placebo acupuncture simulation devices commonly used in clinical trial of acupuncture therapy. These devices are composed of Streitberger, Park, Takakura, Foam and Phantom acupuncture. Because acupuncture therapy is a kind of complex intervention, there are the controversies in methodology for the acupuncture placebo control of clinical trial. Placebo acupuncture may be an effective control, with a certain of specific therapeutic effect. The blinding effect of placebo acupuncture is highly questioned, specially, the sensation of deqi is hardly imitated during acupuncture. On these grounds, in this research, the suggestions has been proposed on the selection and the setting of placebo control in clinical trial of acupuncture therapy.介绍针刺临床试验中常用的安慰针刺模拟装置，包括Streitberger装置、Park装置、Takakura装置、Foam装置以及幻影针刺。针刺是一类复杂干预，围绕针刺临床试验安慰剂对照的方法学争论主要包括：安慰针刺可能是一类有效对照，也具有一定的特异性疗效；安慰针刺的设盲效果备受质疑，尤其是很难模仿针刺过程中的得气感。本研究据此对针灸临床试验中安慰剂对照的选择和使用情境给出建议。.