FODMAP Challenge for Irritable Bowel Syndrome
What You Need to Know Before You Apply
What is the purpose of this trial?
This trial aims to help individuals with irritable bowel syndrome (IBS) by identifying which types of FODMAPs (poorly digested carbohydrates) trigger abdominal pain. Participants will follow a low FODMAP diet and gradually reintroduce specific FODMAP subtypes to identify those causing discomfort. The study also examines the role of gut bacteria in the pain caused by these foods. This trial may suit those with IBS who frequently experience abdominal pain and find dietary changes challenging. As an unphased trial, it offers a unique opportunity to contribute to understanding IBS triggers and dietary management.
What prior data suggests that this FODMAP Challenge is safe for IBS patients?
Research has shown that a low-FODMAP diet can significantly help people with irritable bowel syndrome (IBS), particularly by reducing stomach pain and bloating. In clinical trials, this diet improved symptoms for 50% to 87% of participants. Specifically, one study found that 80% of patients felt better after following a low-FODMAP diet for six weeks.
When FODMAPs are reintroduced, some foods, such as those with fructans (found in onions, garlic, and wheat bread), are often well-tolerated. Many people can manage their symptoms by controlling their FODMAP intake. Overall, the low-FODMAP diet appears to be well-tolerated, with many finding relief from IBS symptoms.12345Why are researchers excited about this trial?
The FODMAP Challenge is unique because it systematically identifies which specific carbohydrates trigger symptoms in individuals with Irritable Bowel Syndrome (IBS). Unlike typical IBS treatments that often involve general dietary adjustments or medications, this approach uses a low FODMAP diet followed by targeted challenges to pinpoint personal triggers. Researchers are excited about this method because it offers a personalized approach, potentially leading to more effective symptom management tailored to each individual’s digestive response.
What evidence suggests that the FODMAP Challenge is effective for IBS?
Research has shown that a low FODMAP diet can effectively treat IBS symptoms. Up to 86% of IBS patients report less abdominal pain and bloating when following this diet. Studies have found that eliminating high-FODMAP foods provides relief for about 70% of patients. This trial will have participants follow a low FODMAP diet and then undergo specific FODMAP subgroup challenges to assess individual responses. This diet particularly reduces abdominal pain, bloating, and other stomach issues compared to regular diets. Strong evidence supports that reducing FODMAPs can ease IBS discomfort for many people.16789
Are You a Good Fit for This Trial?
This trial is for people diagnosed with irritable bowel syndrome (IBS) or functional abdominal pain syndrome. Participants should be able to follow a special diet and provide stool samples. Specific inclusion and exclusion criteria are not detailed.Inclusion Criteria
Exclusion Criteria
Timeline for a Trial Participant
Screening
Participants are screened for eligibility to participate in the trial
Dietary Intervention
Participants adopt a low FODMAP diet for 6 weeks to assess changes in IBS symptoms
FODMAP Challenge
Participants undergo 4 four-day individual FODMAP subgroup challenges with washout periods
Follow-up
Participants are monitored for safety and effectiveness after dietary interventions
What Are the Treatments Tested in This Trial?
Interventions
- FODMAP Challenge
Trial Overview
The study tests how different types of FODMAP carbohydrates affect abdominal pain in IBS by having participants follow a low-FODMAP diet, then reintroducing specific FODMAPs while monitoring symptoms and gut bacteria changes.
How Is the Trial Designed?
1
Treatment groups
Experimental Treatment
Participants will be on a low fodmap diet (LFD) for a total of 6 weeks. After two weeks on LFD, each participant whose IBS-symptom severity score was reduced by 50 points will be deemed a responder, and will proceed to the next stage of the study. This will entail each participant remaining on the LFD while beginning 4 four-day individual challenges every 7 days consisting of 3 FODMAP subgroup challenges (galacto-oligosaccahride, fructan, and sorbitol) and 1 glucose challenge as a non-FODMAP carbohydrate control. Each challenge will comprise of a 4-day challenge with one of the three FODMAP subgroups or a glucose challenge (as a negative control) followed by a 3-day washout period with any residual symptoms resolved while remaining on the LFD prior to the next challenge.
Find a Clinic Near You
Who Is Running the Clinical Trial?
David Reed
Lead Sponsor
Weston Family Foundation
Collaborator
Citations
Efficacy of the low FODMAP diet for treating irritable bowel ...
Up to 86% of patients with IBS find improvement in overall gastrointestinal symptoms as well as individual symptoms such as abdominal pain, bloating, ...
Low-FODMAP Diet Improves Irritable Bowel Syndrome ... - PMC
Several clinical trials have reported that reducing high-FODMAP foods achieves adequate symptom relief in approximately 70% of IBS patients [32,59,60] ...
3.
researchgate.net
researchgate.net/publication/319315957_Low-FODMAP_Diet_Improves_Irritable_Bowel_Syndrome_Symptoms_A_Meta-AnalysisLow-FODMAP Diet Improves Irritable Bowel Syndrome ...
A significant reduction in abdominal pain and bloating were described by patients receiving a low-FODMAP diet compared with those receiving a ...
Low-FODMAP Diet for Irritable Bowel Syndrome - PMC - NIH
The results demonstrated that IBS patients treated with a low-FODMAP diet had significantly reduced GI symptoms compared with patients consuming a typical ...
Efficacy of a low FODMAP diet in irritable bowel syndrome
Low FODMAP diet ranked first for abdominal pain severity, abdominal bloating or distension severity and bowel habit, although for the latter it ...
FODMAP Challenge in Irritable Bowel Syndrome (IBS)
Our research will explore how a type of dietary carbohydrate, called FODMAPS, contributes to chronic abdominal pain in irritable bowel syndrome ...
The Effect of a Low FODMAP Diet in Irritable Bowel ...
During the screening phase of two weeks, baseline data regarding psychological, nutritional, microbial, and genetics will be collected. Predictors of treatment ...
8.
gastroenterologyadvisor.com
gastroenterologyadvisor.com/features/low-fodmap-diet-in-irritable-bowel-syndrome-controversies-and-practicality/Low FODMAP Diet in Irritable Bowel Syndrome
In clinical trials, a low FODMAP diet has shown significant benefit, with efficacy rates between 50% and 87%.4
Efficacy and Findings of a Blinded Randomized ...
The responder rate after 6 weeks of low FODMAP diet was 80% (70%–87%), and these patients were eligible for the reintroduction phase. IBS stooltype was not ...
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