Could an early eating window tame type 2 diabetes?
NCT ID NCT05015504
First seen Aug 03, 2026 · Last updated Aug 04, 2026 · Updated 1 time
Summary
This trial tests whether limiting all food intake to a 10-hour window (4 AM to 4 PM) can improve blood sugar control in adults with poorly controlled type 2 diabetes. Participants will follow this eating pattern for one week while researchers track changes in average glucose, estimated A1c, insulin resistance, triglycerides, and body weight. The goal is to see if this eating schedule could help manage diabetes, possibly allowing the same or lower doses of diabetes medication.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Time-restricted feeding (eating only between 4 AM and 4 PM)
- What this could lead to
- If it works, this eating pattern could help people with type 2 diabetes better manage blood sugar, possibly with the same or even lower doses of diabetes medication.
- What could go wrong
- This is a small, short trial (30 people, 3 weeks), so results may not apply broadly. The early eating window may be hard to follow and could raise the risk of low blood sugar in some people.
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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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About 30 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2022
- Expected to finish
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Dec 2026
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.
- Ages
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18 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: * Age ≥ 18 years and \< 65 years * With the diagnosis of type 2 diabetes * A1c \>= 8.0 on the most recent test in the 3 months before enrollment * Have been on stable antidiabetics in the 3 months before enrollment * OhioHealth Patient Exclusion Criteria: * Pregnant or breastfeeding patients * Severe hypoglycemic episodes (defined as having low blood glucose levels that requires assistance from another person to treat) in the past 12 months * Unable to give informed consent * Currently enrolled in another therapeutic study * Thyroid dysfunction, as defined by abnormal thyroid function test results within the past 6 months * Advanced stage of renal (stage 4 or above) or hepatic (cirrhosis) or respiratory (needs oxygen) or heart failure (NYHA class 3 or above) * Active infection or malignancy * Dementia, or other significant mental impairment that would, in the opinion of the investigator, impede patient self-reporting * Clinician-reported history of patient non-adherence
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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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OhioHealth Castrop Health Center
Athens, Ohio, 45701, United States
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