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The placebo needle, is it a valid and convincing placebo for use in acupuncture trials? A randomised, single-blind, cross-over pilot trial

Record type: Article

The issue of what constitutes an effective and realistic acupuncture placebo control has been a continuing problem for acupuncture research. In order to provide an effective placebo, the control procedure must be convincing, visible and should mimic, in all respects, apart from a physiological effect, the real active treatment. The ‘Streitberger’ needle might fulfil these criteria and this paper reports on a validation study. This was a single-blind, randomised, cross-over pilot study. Patients were drawn from the orthopaedic hip and knee, joint replacement waiting list. Intervention consisted of either 2 weeks of treatment with real acupuncture followed by 2 weeks on placebo, or vice versa. The prime outcome was a needle sensation questionnaire and there was a range of secondary outcomes. Thirty-seven patients were randomised and completed treatment. Groups were well balanced at baseline. No significant differences between groups or needle types were found for any of the sensations measured. Most patients were unable to discriminate between the needles by penetration; however, nearly 40% were able to detect a difference in treatment type between needles. No major differences in outcome between real and placebo needling could be found. The fact that nearly 40% of subjects did not find that the two interventions were similar, however, raises some concerns with regard to the wholesale adoption of this instrument as a standard acupuncture placebo. Further work on inter-tester reliability and standardisation of technique is highly recommended before we can be confident about using this needle in further studies.

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Citation

White, Peter, Lewith, George, Hopwood, Val and Prescott, Phil (2003) The placebo needle, is it a valid and convincing placebo for use in acupuncture trials? A randomised, single-blind, cross-over pilot trial Pain, 106, (3), pp. 401-409. (doi:10.1016/j.pain.2003.08.013).

More information

Published date: 1 December 2003
Keywords: acupuncture, placebo, placebo needle
Organisations: Statistics

Identifiers

Local EPrints ID: 24554
URI: http://eprints.soton.ac.uk/id/eprint/24554
ISSN: 0304-3959
PURE UUID: c591b09e-2d8a-418e-98f0-a3a2d452910c

Catalogue record

Date deposited: 30 Mar 2006
Last modified: 17 Jul 2017 16:13

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