Could dropping gluten tame blood sugar and gut woes in diabetes?
NCT ID NCT06900946
First seen Aug 06, 2026 · Last updated Aug 07, 2026 · Updated 1 time
Summary
This trial explores whether a gluten-free diet can ease digestive symptoms and improve blood sugar control in people with type 2 diabetes who have non-celiac gluten sensitivity. Participants first follow a gluten-free diet for six weeks. Those who feel better then take part in a blinded phase where they receive either gluten powder or a placebo (cornstarch) daily, while continuing the diet, to see if symptoms and blood sugar markers change.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- gluten-free diet followed by a gluten challenge (gluten powder) versus placebo (cornstarch powder)
- What this could lead to
- If it works, this could point toward a dietary approach to help manage blood sugar and gut discomfort in people with type 2 diabetes who are sensitive to gluten.
- What could go wrong
- This is a small, early trial, and results may not apply to everyone. The gluten challenge could trigger symptoms, and the diet is hard to maintain long-term.
This is an AI summary of the original study and may miss details. Read our disclaimer.
Study facts
What this study's own registry entry says, in plain language.
- Phase
-
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
-
40 people
The number who actually took part.
- Started
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Mar 2025
- Finished
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Aug 2026
- Lead sponsor
-
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
-
18 to 70 years
- Sex
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Anyone
- Healthy volunteers
-
Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * Exclusion of Celiac Disease and Wheat Allergy (tTG IgA antibody test for celiac disease exclusion and IgE antibody test for ruling out wheat allergy) * Exclusion of Irritable Bowel Syndrome (IBS) using the Rome IV diagnostic criteria by a gastroenterologist * No adherence to any specific diet in the past 6 months, including the gluten-free diet (GFD) * Willing and capable of following a gluten-free diet (GFD) * No consumption of alcohol or drugs * No use of corticosteroids or antidepressant medications * No history of thyroid disorders, autoimmune diseases, cancer, or gastrointestinal diseases Exclusion Criteria: * Inability or unwillingness to continue with the study * Pregnancy or Lactation * Occurrence of any side effects
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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
-
Behboud Clinic
Tehran, 19437, Iran
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