European journal of medical research
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The results from studies on potential treatment effects of acupuncture are often limited due to serious difficulties in methodology. Randomized controlled trials on acupuncture should test a widely accepted treatment strategy of verum and sham acupuncture. However, in clinical practice various patterns of acupuncture techniques are employed, and up to now no generally accepted guidelines on how to perform a reliable verum or sham treatment have been established. ⋯ For this we used a combination of a comprehensive study of the literature and structured interviews with experienced physicians followed by an expert panel. A total of 41 physicians had to be trained to achieve a homogeneously high quality of acupuncture treatment. The latter represents a prerequisite for reproducibility, constituting a critical component of rigorous efficacy trials in scientific acupuncture research.