Fasting your way to better blood sugar? new study tests two diet plans
NCT ID NCT05860413
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether two types of intermittent fasting—eating very little a few days a week or eating only during an 8-hour window—can help people with type 2 diabetes improve their blood sugar control. Fifty-seven adults with diabetes followed one of these diet plans for a year. The goal was to see if the diets were practical and could potentially lead to diabetes remission.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Intermittent fasting (two types: intermittent energy restriction and time-restricted eating)
- What this could lead to
- If successful, this could point toward a non-drug way to manage or even reverse type 2 diabetes through diet timing.
- What could go wrong
- This is a small, early feasibility study with only 57 participants, so results may not apply to everyone. Fasting can be hard to stick with 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
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57 people
The number who actually took part.
- Started
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Jan 2023
- Finished
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May 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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21 to 65 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: 1. Diagnosed with type 2 diabetes in the past 10 years. 2. Age 21-65 years 3. BMI of 25 - 45 kg/m2 4. HbA1c of 6.7-9.5%, or those with A1c of \<6.7% on glucose-lowering medications 5. Ability to participate in a graduated physical activity program 6. Clearance from study physician. Exclusion Criteria: 1. Inability to attend health education meetings. 2. Weight change of \>=5% in the previous 3 months. 3. Addition of new antihyperglycemic or weight-reducing medication in the previous 2 months. 4. Serious medical risk such as ongoing treatment for cancer, uncontrolled hypertension, recent cardiac event, or other medical condition presenting acute risk of participation in a lifestyle change program. 5. Untreated depression or anxiety, or increase in associated medications in the previous 3 months. 6. Current participation in another lifestyle change intervention, such as a tobacco cessation program or physical activity program. 7. Pregnancy or lactation within the previous six months 8. Weight of \>450 lbs 9. Currently taking medications that may result in hypoglycemia during fasting and unwilling to stop prior to the study
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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
-
University of Kansas Medical Center
Kansas City, Kansas, 66160, United States
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