New diet rivals low FODMAP for gut relief
NCT ID NCT06338189
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tested a new diet called 5Ad against the well-known low FODMAP diet in 52 adults with ongoing stomach issues like bloating, pain, and irregular bowel movements. Each person tried both diets for a week, with a break in between. The goal was to see if the 5Ad diet works as well as the low FODMAP diet to reduce symptoms and fatigue.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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52 people
The number who actually took part.
- Started
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May 2022
- Finished
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Apr 2025
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 years and older
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: Individuals are eligible for the study if all of the following criteria are met: * Suffers chronically from either constipation, diarrhoea, or an alternation of both, bloating, flatulence or abdominal pain, incomplete defecation, straining and bowel urgency. * Symptoms must be present for ≥ 2 times per week, with symptom onset occurring at least 3 months prior to participation. * Participants taking prescribed medications which may affect bowel function are included only if the intake is maintained throughout the entire intervention period. Exclusion Criteria: Individuals are excluded from the study if any of the following criteria are met: * Pregnant. * Known underlying pathology (e.g., Crohn's disease, ulcerative colitis, celiac disease). * History of abdominal/gastrointestinal surgery within 1 year prior to participation. * History of antibiotic use in the last 6 weeks prior to participation. * Allergic to the foods specified in both the 5Ad diet and the low FODMAP diet.
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University of Suffolk
Ipswich, Suffolk, IP4 1QJ, United Kingdom
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Other studies related to the condition(s) this trial covers.
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