Keto diet may help stave off weight regain by firing up calorie burn
NCT ID NCT06736028
First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study looks at whether a ketogenic diet can help people with obesity maintain weight loss by increasing the calories their body burns and reducing appetite. Twenty adults will first lose weight on a low-calorie diet, then follow a keto diet for six weeks while researchers measure their energy use and hunger levels. The goal is to find out if keto makes it easier to keep the weight off.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- ketogenic diet
- What this could lead to
- If it works, this could point toward a better way to keep weight off after losing it, by showing how diet affects metabolism and hunger.
- What could go wrong
- This is a very small, early study with only 20 people, so results may not apply to everyone. It also only lasts 10 weeks, so long-term effects are unknown.
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
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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 20 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Aug 2025
- Expected to finish
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Mar 2027
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.
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: * BMI 30-45 kg/m2 * Both men and women * Age between 18-65 years * Sedentary to moderately active (\<2 h/wk of moderate, structured, intentional, exercise) Exclusion Criteria: * Pregnancy or lactation * Daily use of tobacco (\>1 pk/wk) * Change in weight greater than 5 lb in the previous 3 months * Cognitive impairment * Previous bariatric surgery * History of eating disorder * Presence of any condition (e.g. DM2, PCOS, inflammatory disease, untreated thyroid disease, fluid overload states such as chronic kidney disease, congestive heart failure, or cirrhosis) * Use of any medication (e.g., glucocorticoid, GLP-1 analogues, hormone replacement therapy) deemed to interfere with study outcomes. * Pre-menopausal women will need to have a regular menstrual cycle (28+/-2 days) or be on hormonal contraceptives * Fasting glucose plasma concentration \>125 mg/dl and/or HbA1c \> 6.4%
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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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University of Alabama at Birmingham
RECRUITINGBirmingham, Alabama, 35294, United States
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