TY - JOUR T1 - When is a placebo effect not an effect? JF - Clinical Medicine JO - Clin Med SP - 450 LP - 452 DO - 10.7861/clinmedicine.7-5-450 VL - 7 IS - 5 AU - Richard Wigley Y1 - 2007/10/01 UR - http://www.rcpjournals.org/content/7/5/450.abstract N2 - It is often stated, paradoxically, that a treatment is not effective when trials have shown a placebo effect. This should be rephrased ‘that the tested treatment is not more effective than the placebo’ if we are not to confuse ourselves and the public in the current debate on complementary and alternative medicine. ER -