Your gut bugs may hold the key to blood sugar control in type 1 diabetes
NCT ID NCT05936242
First seen Jun 24, 2026 · Last updated Jun 26, 2026 · Updated 2 times
Summary
This observational study is looking at how diet, gut bacteria, and genetics influence blood sugar spikes after meals in people with type 1 diabetes. Researchers will track 200 participants using continuous glucose monitors, food diaries, and stool samples. The goal is to find patterns that could lead to personalized diet advice for better diabetes management.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- What this could lead to
- If successful, this could help design personalized diet plans for better blood sugar control in type 1 diabetes.
- What could go wrong
- This is an observational study, not a treatment trial. It will not directly test any intervention, so benefits are indirect and may take years to apply.
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.
- Participants
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About 200 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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May 2021
- Expected to finish
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Jan 2028
An estimate. End dates often move.
- 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.
Who is studied
The study population will consist of individuals with type 1 diabetes using continuous glucose monitoring (CGM) and regularly attending the Diabetes Outpatient Clinic of Federico II University Teaching Hospital (Naples, Italy).
- Ages
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18 to 70 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.
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: * Type 1 Diabetes Exclusion Criteria: * Pregnancy and/or breastfeeding * Other chronic or acute diseases * Use of antibiotics in the past 3 months
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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.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Federico II University Hospital
RECRUITINGNaples, 80131, Italy
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