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Published in: Trials 1/2019

Open Access 01-12-2019 | Acupuncture | Study protocol

Effect and cerebral mechanism of acupuncture treatment for functional constipation: study protocol for a randomized controlled clinical trial

Authors: Tao Yin, Zhaoxuan He, Peihong Ma, Likai Hou, Li Chen, Kunnan Xie, Zilei Tian, Fumin Wang, Jing Xiong, Yi Yang, Ruirui Sun, Fang Zeng

Published in: Trials | Issue 1/2019

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Abstract

Background

Acupuncture is effective in functional constipation (FC) treatment, but the central mechanism has not been well investigated. This trial will combine functional magnetic resonance imaging (fMRI) and positron emission tomography-computed tomography (PET-CT) to investigate the potential central mechanism of acupuncture treatment for FC.

Methods

This is a multimodal neuroimaging randomized controlled trial. In total, 140 FC patients will be randomly allocated into four groups: the verum acupuncture group; the sham acupuncture group; the PEG 4000 group; and the waiting-list group. This trial will include a two-week baseline period and a two-week treatment period. Patients will receive 10 sessions of acupuncture, sham acupuncture, PEG 4000, or no intervention during the treatment period. The stool diary, Cleveland Constipation Score (CCS), Patient Assessment of Constipation Symptom (PAC-SYM), and Patient Assessment of Constipation Quality of Life Questionnaire (PAC-QoL) will be used to assess the clinical efficacy of different interventions. The MRI and PET-CT scans will be performed to detect cerebral functional changes in 15 patients in each group at baseline and at the end of treatment/waiting. Multimodal imaging data will be associated with clinical data to investigate possible correlation between brain activity changes elicited by different interventions and symptoms improvement.

Discussion

We hypothesize that acupuncture can treat FC through normalizing the pathological alteration of the cerebral activity. The results of this trial will allow us to re-testify the therapeutic effects of acupuncture treating for FC and to investigate the potential central mechanism of acupuncture treatment for FC from direct (cerebral glucose metabolism) and indirect (contrast of oxyhemoglobin and deoxyhemoglobin) approaches.

Trial registration

Chinese Clinical Trial Registry, ChiCTR1800016658​. Registered on 14 June 2018.
Appendix
Available only for authorised users
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Metadata
Title
Effect and cerebral mechanism of acupuncture treatment for functional constipation: study protocol for a randomized controlled clinical trial
Authors
Tao Yin
Zhaoxuan He
Peihong Ma
Likai Hou
Li Chen
Kunnan Xie
Zilei Tian
Fumin Wang
Jing Xiong
Yi Yang
Ruirui Sun
Fang Zeng
Publication date
01-12-2019
Publisher
BioMed Central
Published in
Trials / Issue 1/2019
Electronic ISSN: 1745-6215
DOI
https://doi.org/10.1186/s13063-019-3410-8

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