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KMID : 1129720080250020057
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Korean Journal of Acupuncture
2008 Volume.25 No. 2 p.57 ~ p.69
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A literature review on controlling methods used in clinical trials of auricular acupuncture
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Lee Ji-Young
Yim Yun-Kyoung
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Abstract
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Objectives: To review the controlling methods used in RCTs (randomized controlled trials) of auricular acupuncture.
Methods: To investigate the controlling methods used in clinical trials of auricular acupuncture, 46 articles were retrieved from PUBMED (from August 1976 to August 2007, with limits: english, clinical trial) using the key words of "ear acupuncture", "auricular acupuncture", "auriculo-medicine", and sorted out according to the types of control treatments. Among them, 10 articles were selected based on STRICTA (Standards for Reporting Intervention in Controlled Trials of Acupuncture), and the controlling methods used in those articles were reviewed.
Results: In clinical trials of auricular acupuncture, ’sham acupoints (non-acupoints and non-treatment acupoints included)’, ’minimal acupuncture’, ’pseudo-intervention’, and ’placebo devices’ have been used as controlling methods, but their ’inactivity’ have been in question. To compensate the disadvantages of ’minimal acupuncture’, and ’pseudo-intervention’ control, placebo auricular acupuncture needles have been developed, although these needles didn’t satisfy the conditions of ’blinding’ and ’physical inactivity’ simultaneously.
Conclusions: Further researches on ’sham acupoints’ and new development of ’placebo auricular acupuncture needles’ are needed.
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KEYWORD
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auricularacupuncture, placebodevices, randomizedcontrolled trials
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