Can a Very-Low-Carb diet reverse prediabetes? trial puts it to the test
NCT ID NCT07830121
First seen Sep 21, 2026 · Last updated Sep 21, 2026
Summary
Researchers are testing whether a very-low-carbohydrate diet can help adults with prediabetes and obesity lose weight, reduce body fat, and improve insulin sensitivity. The trial enrolls adults aged 30 to 65 with obesity and newly diagnosed prediabetes. Participants are randomly assigned to follow either a very-low-carb diet (under 50 grams of carbs daily) or standard dietary advice for 12 weeks, with both groups receiving dietitian support. The study measures changes in weight, body composition, blood sugar, insulin, cholesterol, and kidney function to see if the low-carb approach works better and is safe to follow.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- a very-low-carbohydrate diet (under 50 grams of carbohydrate per day)
- What this could lead to
- If it works, this could give doctors and dietitians a clearer dietary option to help stop prediabetes from turning into type 2 diabetes.
- What could go wrong
- The trial is small and short, so any benefits may not last or apply to everyone. Very-low-carb diets can be hard to stick with, and the study does not yet show whether they work better than standard advice.
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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33 people
The number who actually took part.
- Started
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Jan 2024
- Finished
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Dec 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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30 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 30 to 65 years * Body mass index (BMI) 23-40 kg/m² * Diagnosis of prediabetes, defined as fasting blood glucose (FBG) 5.6-6.9 mmol/L or glycated haemoglobin (HbA1c) 5.6-6.2% * Able to stand independently * Able to provide written informed consent Exclusion Criteria: * Diagnosis of type 1 or type 2 diabetes mellitus * Calculated creatinine clearance \<60 mL/min/1.73 m² * on antiobesity medications * On medications that can interfere with glucose metabolism * Heart failure, New York Heart Association (NYHA) functional class III-IV * Active systemic inflammatory disease * Chronic kidney disease requiring haemodialysis * Active hepatic disease * Collagen vascular disease * Malignancy * Acute coronary syndrome within the preceding 3 months * Pregnancy or breastfeeding * Plans to conceive within the following year
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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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Hospital UITM
Sungai Buloh, Selangor, 47000, Malaysia
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