Which diet soothes stomach pain better? new study tests two options
NCT ID NCT05810168
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at 60 people with a common stomach condition called functional dyspepsia, which causes pain and fullness after meals. Participants were split into two groups: one followed standard advice (small meals, avoid fatty/spicy foods), and the other tried a low FODMAP diet (avoiding certain carbs like wheat, dairy, and some fruits/veggies). Over 6 weeks, researchers tracked symptom relief to see which diet worked better.
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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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60 people
The number who actually took part.
- Started
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Aug 2023
- Finished
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Oct 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 to 60 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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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: * Fulfil Rome IV symptoms criteria for postprandial functional dyspepsia * Normal upper gastrointestinal endoscopy within last 3years * Online access * English literate Exclusion Criteria: * Organic gastrointestinal diseases (e.g. inflammatory bowel disease, GI cancer, coeliac disease) * Major abdominal surgery (except laparoscopy, appendectomy, cholecystectomy) * Documented H.pylori in the last 3 months * History of eating disorders * Body mass index \<20 * Current dietary interventions * Current use of opioids or anti-inflammatory drugs * Severe systemic disease (e.g. cardiac, renal, respiratory) necessitating frequent medical consultations) * Pregnant * Diabetes mellitus * Scleroderma * Memory impairment
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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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Royal Hallamshire Hospital
Sheffield, South Yorkshire, S10 2JF, United Kingdom
More trials for these conditions
Other studies related to the condition(s) this trial covers.
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