Effect of Brain-gut Behavioral Treatments on Abdominal Pain in Irritable Bowel Syndrome: Systematic Review and Network Meta-analysis
Abstract
BACKGROUND AND AIMS
Some brain-gut behavioral treatments (BGBTs) are beneficial for global symptoms in irritable bowel syndrome (IBS). US management guidelines suggest their use in patients with persistent abdominal pain but their specific effect on this symptom has not been assessed systematically.
METHODS
We searched the literature through 16th December 2023 for randomized controlled trials (RCTs) assessing efficacy of BGBTs for adults with IBS, compared with each other, or a control intervention. Trials provided an assessment of abdominal pain resolution or improvement at treatment completion. We extracted data as intention-to-treat analyses, assuming dropouts to be treatment failures and reporting pooled relative risks (RRs) of abdominal pain not improving with 95% confidence intervals (CIs), ranking therapies according to P-score.
RESULTS
We identified 42 eligible RCTs, containing 5220 participants. After treatment completion, the BGBTs with the largest numbers of trials, and patients recruited, demonstrating efficacy for abdominal pain, specifically, included self-guided/minimal contact cognitive behavioral therapy (CBT) (RR = 0.71; 95% CI 0.54-0.95, P-score 0.58), face-to-face multicomponent behavioral therapy (RR = 0.72; 95% CI 0.54-0.97, P score 0.56), and face-to-face gut-directed hypnotherapy (RR = 0.77; 95% CI 0.61-0.96, P-score 0.49). Among trials recruiting only patients with refractory global IBS symptoms, group CBT was more efficacious than routine care for…
How strong is the evidence?
Evidence Hub reads this as a meta-analysis, done in people. Its evidence level is 1 of 5 (Highest · pooled evidence). Pooled evidence from several studies sits at the top of the evidence pyramid. Reported size: 5,220 participants or records.
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