期刊
OSTEOARTHRITIS AND CARTILAGE
卷 17, 期 10, 页码 1255-1262出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.joca.2009.03.023
关键词
Placebo; Osteoarthritis; Clinical trials; Meaning response; Context effects
Many observations support a major biological effect from the way in which people interpret the meaning of each component of their medical experience and the context in which this occurs. A recent systematic review of randomised controlled trials in osteoarthritis has demonstrated that the effect size of placebo is substantial and is usually greater than that obtained from the specific effect of an individual treatment. In the context of a randomised controlled trial, such a large placebo or meaning response is considered a nuisance, but in the context of clinical practice the optimisation of such meaning and contextual responses, through enhanced care, could greatly benefit people who suffer from osteoarthritis. (c) 2009 Osteoarthritis Research Society International. Published by Elsevier Ltd. All rights reserved.
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