Low FODMAP diet eases gut troubles in SIBO patients
NCT ID NCT07424313
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study looked at whether a low FODMAP diet (LFD) can reduce stomach symptoms and improve nutrition in people with small intestinal bacterial overgrowth (SIBO). 51 adults who had finished antibiotic treatment were split into two groups: one followed the LFD, the other ate normally. Researchers tracked symptoms, diet, body measurements, and blood tests to see if the diet made a difference.
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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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51 people
The number who actually took part.
- Started
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Feb 2024
- Finished
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Jan 2026
- 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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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: * age \> 18 years, * SIBO diagnosed by a doctor based on a hydrogen and methane breath test, * the use of one type of antibiotic at the same dose and for the same period of time. Exclusion Criteria: * BMI \< 18.5 kg/m2, * pregnancy and breastfeeding, * the occurrence of allergies and food intolerances, * previous operations on the digestive tract (except appendectomy and hemorrhoidectomy), * eating disorders, * inflammatory bowel diseases, * celiac disease, * cancer, heart, liver and lung diseases with severe course, as well as neurological or psychiatric diseases, * use of dietary modifications in the last 3 months, * use of antibiotics other than those prescribed by a doctor to treat SIBO in the last 3 months, * implanted stimulators (limitation of body composition measurement)
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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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Warsaw University of Life Sciences (WULS-SGGW)
Warsaw, 02-776, Poland
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Other studies related to the condition(s) this trial covers.
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