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Acupuncture for irritable bowel syndrome: study protocol for a multicenter randomized controlled trial.

ABSTRACT: BACKGROUND:Irritable bowel syndrome (IBS) is a chronic gastrointestinal disorder characterized by abdominal pain and change of bowel habit without organic disease. A global perspective given by the World Gastroenterology Organization (WGO) points out that IBS can impact the quality of an individual's daily life, cause socioeconomic problems and potentially impair the patient-physician relationship. It remains a problem to treat IBS due to the complicated pathophysiology. Acupuncture is an alternative therapy recommended for IBS. The aim of this study is to investigate the efficacy and safety of acupuncture therapy for patients with IBS. We also want to explore the correlation between IBS-gene subtypes and acupuncture effect. METHODS/DESIGN:A multicenter randomized controlled trial will be performed in seven hospitals. Six hundred participants will be stratified into two strata (IBS-C or IBS-D). Then, patients within each stratum will be divided into an experimental group and a control group randomly. The experimental group is treated with acupuncture while the control group is treated with Western medicine. All the patients will receive a 6-week treatment and a 3-month follow-up. The primary outcome is the IBS-Symptom Severity Score (IBS-SSS), the secondary outcome is the score of the IBS-Quality of Life (IBS-QoL).The correlation between IBS-gene subtypes and acupuncture effect will be detected based on polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP). Outcome measures (including primary and secondary outcome measures) are collected at baseline,1 week, 2 weeks, 4 weeks, and 6 weeks of the intervention, and 12 weeks after the intervention. DISCUSSION:This is a multicenter randomized controlled trial for IBS in China. It may clarify the efficacy of acupuncture as an alternative therapy for IBS. This is the first time ever that the potential mechanism of IBS based on genomics has been investigated. TRIAL REGISTRATION:Chinese Clinical Trials Register, ID: ChiCTR-IOR-15006259 . First registered on 14 April 2015.

SUBMITTER: Pei LX

PROVIDER: S-EPMC6166287 | biostudies-literature | 2018 Oct

REPOSITORIES: biostudies-literature

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Acupuncture for irritable bowel syndrome: study protocol for a multicenter randomized controlled trial.

Pei Li-Xia LX Geng Hao H Chen Hao H Wu Xiao-Liang XL Chen Lu L Zhou Jun-Ling JL Ju Lu L Lu Gao G Xu Wan-Li WL Qin Shan S Guo Jing J Yang Eun Mee EM Sun Jian-Hua JH

Trials 20181001 1

<h4>Background</h4>Irritable bowel syndrome (IBS) is a chronic gastrointestinal disorder characterized by abdominal pain and change of bowel habit without organic disease. A global perspective given by the World Gastroenterology Organization (WGO) points out that IBS can impact the quality of an individual's daily life, cause socioeconomic problems and potentially impair the patient-physician relationship. It remains a problem to treat IBS due to the complicated pathophysiology. Acupuncture is a ...[more]

PMID: 30285891

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Project description:IntroductionIrritable bowel syndrome (IBS) is a common chronic functional gastrointestinal disorder that presents with abdominal pain/discomfort and altered bowel patterns. IBS has multiple potential causes for which conventional medicines have had limited success, resulting in a significant number of patients who do not sensitively respond to pharmacotherapy for a period of 12 months and who develop a continuing symptom profile (described as refractory IBS) and seek help through (non)pharmacological treatments. The aim of this study is to investigate the efficacy and safety of acupuncture therapy for refractory IBS on the basis of conventional treatments.Methods and analysisA total of 170 eligible patients who meet the Rome IV criteria for refractory IBS will be randomly allocated to receive acupuncture or sham acupuncture. Each patient will receive 12 sessions of acupuncture over 4 weeks and a 4-week follow-up. The primary outcome will be the IBS Symptom Severity Score. Secondary outcomes will include the proportion of participants experiencing adequate relief of global IBS symptoms, the weekly frequency of defecation, the stool properties assessed by the Bristol Grading Scale, the Work and Social Adjustment Scale, the IBS-Quality of Life score, and the Self-Rating Depression Scale and Self-Rating Anxiety Scale anxiety and depression scores. Outcome measures will be collected at baseline, 2 and 4 weeks of the intervention, and 6 and 8 weeks after the intervention. Categorical variables will be compared with Fisher's exact test or the Wilcoxon rank-sum test, and continuous variables will be compared using Student's t-test or the Wilcoxon rank-sum test.Ethics and disseminationThe entire project has been approved by the ethics committees of Beijing University of Chinese Medicine (2020BZYLL0507) and Sichuan Province Regional Institution for Conducting Research on Traditional Chinese Medicine (2020KL-025). The outcomes of the trial will be disseminated through peer-reviewed publications.Trial registration numberNCT04276961.

Project description:Placebo medications, by definition, are composed of inactive ingredients that have no physiological effect on symptoms. Nonetheless, administration of placebo in randomized controlled trials (RCTs) and in clinical settings has been demonstrated to have significant impact on many physical and psychological complaints. Until recently, conventional wisdom has suggested that patients must believe that placebo pills actually contain (or, at least, might possibly contain) active medication in order to elicit a response to placebo. However, several recent RCTs, including patients with irritable bowel syndrome (IBS), chronic low back pain, and episodic migraine, have demonstrated that individuals receiving open-label placebo (OLP) can still experience symptomatic improvement and benefit from honestly described placebo treatment.This paper describes an innovative multidisciplinary trial design (n?=?280) that attempts to replicate and expand upon an earlier IBS OLP study. The current study will compare OLP to double-blind placebo (DBP) administration which is made possible by including a nested, double-blind RCT comparing DBP and peppermint oil. The study also examines possible genetic and psychological predictors of OLP and seeks to better understand participants' experiences with OLP and DBP through a series of extensive interviews with a randomly selected subgroup.OLP treatment is a novel strategy for ethically harnessing placebo effects. It has potential to re-frame theories of placebo and to influence how physicians can optimize watch-and-wait strategies for common, subjective symptoms. The current study aims to dramatically expand what we know about OLP by comparing, for the first time, OLP and DBP administration. Adopting a unique, multidisciplinary approach, the study also explores genetic, psychological and experiential dimensions of OLP. The paper ends with an extensive discussion of the "culture" of the trial as well as potential mechanisms of OLP and ethical implications.ClinicalTrials.gov, identifier: NCT02802241 . Registered on 14 June 2016.

Project description:Placebo treatment can significantly influence subjective symptoms. However, it is widely believed that response to placebo requires concealment or deception. We tested whether open-label placebo (non-deceptive and non-concealed administration) is superior to a no-treatment control with matched patient-provider interactions in the treatment of irritable bowel syndrome (IBS).Two-group, randomized, controlled three week trial (August 2009-April 2010) conducted at a single academic center, involving 80 primarily female (70%) patients, mean age 47 ± 18 with IBS diagnosed by Rome III criteria and with a score ? 150 on the IBS Symptom Severity Scale (IBS-SSS). Patients were randomized to either open-label placebo pills presented as "placebo pills made of an inert substance, like sugar pills, that have been shown in clinical studies to produce significant improvement in IBS symptoms through mind-body self-healing processes" or no-treatment controls with the same quality of interaction with providers. The primary outcome was IBS Global Improvement Scale (IBS-GIS). Secondary measures were IBS Symptom Severity Scale (IBS-SSS), IBS Adequate Relief (IBS-AR) and IBS Quality of Life (IBS-QoL).Open-label placebo produced significantly higher mean (±SD) global improvement scores (IBS-GIS) at both 11-day midpoint (5.2 ± 1.0 vs. 4.0 ± 1.1, p<.001) and at 21-day endpoint (5.0 ± 1.5 vs. 3.9 ± 1.3, p =?.002). Significant results were also observed at both time points for reduced symptom severity (IBS-SSS, p =?.008 and p =?.03) and adequate relief (IBS-AR, p =?.02 and p =?.03); and a trend favoring open-label placebo was observed for quality of life (IBS-QoL) at the 21-day endpoint (p =?.08).Placebos administered without deception may be an effective treatment for IBS. Further research is warranted in IBS, and perhaps other conditions, to elucidate whether physicians can benefit patients using placebos consistent with informed consent.ClinicalTrials.gov NCT01010191.

Project description:IntroductionIrritable bowel syndrome affects as many as 14% of high school-aged students. Symptoms include discomfort in the abdomen, along with diarrhea and/or constipation and other gastroenterological symptoms that can significantly impact quality of life and daily functioning. Emotional stress appears to exacerbate irritable bowel syndrome symptoms suggesting that mind-body interventions reducing arousal may prove beneficial. For many sufferers, symptoms can be traced to childhood and adolescence, making the early manifestation of irritable bowel syndrome important to understand. The current study will focus on young people aged 14-26 years with irritable bowel syndrome. The study will test the potential benefits of Iyengar yoga on clinical symptoms, psychospiritual functioning and visceral sensitivity. Yoga is thought to bring physical, psychological and spiritual benefits to practitioners and has been associated with reduced stress and pain. Through its focus on restoration and use of props, Iyengar yoga is especially designed to decrease arousal and promote psychospiritual resources in physically compromised individuals. An extensive and standardized teacher-training program support Iyengar yoga's reliability and safety. It is hypothesized that yoga will be feasible with less than 20% attrition; and the yoga group will demonstrate significantly improved outcomes compared to controls, with physiological and psychospiritual mechanisms contributing to improvements.Methods/designSixty irritable bowel syndrome patients aged 14-26 will be randomly assigned to a standardized 6-week twice weekly Iyengar yoga group-based program or a wait-list usual care control group. The groups will be compared on the primary clinical outcomes of irritable bowel syndrome symptoms, quality of life and global improvement at post-treatment and 2-month follow-up. Secondary outcomes will include visceral pain sensitivity assessed with a standardized laboratory task (water load task), functional disability and psychospiritual variables including catastrophizing, self-efficacy, mood, acceptance and mindfulness. Mechanisms of action involved in the proposed beneficial effects of yoga upon clinical outcomes will be explored, and include the mediating effects of visceral sensitivity, increased psychospiritual resources, regulated autonomic nervous system responses and regulated hormonal stress response assessed via salivary cortisol.Trial registrationClinicalTrials.gov NCT01107977.

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Acupuncture for irritable bowel syndrome: study protocol for a multicenter randomized controlled trial.

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Acupuncture for irritable bowel syndrome: study protocol for a multicenter randomized controlled trial.

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