Can a mediterranean diet and exercise beat metabolic syndrome?
NCT ID NCT06857929
First seen Jun 26, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tests whether a reduced-calorie Mediterranean diet plus regular exercise helps middle-aged adults (30-50 years) with metabolic syndrome lose weight and keep it off. About 106 participants will either follow this lifestyle program or receive standard care. Researchers will measure weight loss and changes in waist size and blood fats over 6 to 12 months.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- energy-reduced Mediterranean diet plus physical activity program
- What this could lead to
- If successful, this could show that a structured diet and exercise program helps middle-aged adults lose weight and improve heart health markers.
- What could go wrong
- This is a small early-stage trial with no blinding, so results may not apply broadly. Participants may struggle to stick with the lifestyle changes 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
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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 106 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Mar 2026
- Expected to finish
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Sep 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.
- Ages
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30 to 50 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: * BMI 27-40 Kg/m2 * Metabolic syndrome according to International Diabetes Federation Task Force on Epidemiology and Prevention; National Heart, Lung, and Blood Institute; American Heart Association; World Heart Federation; International Atherosclerosis Society; and International Association for the Study of Obesity * Stable weight in the last 3 months (weight changes \< 4Kg) * Be able to give informed consent Exclusion Criteria: * Have a diagnosed illness that interferes with the recommendations proposed in the intervention. * Women with established menopause. * Pregnant or breastfeeding women. * Serious psychiatric illness/disorder. * Social, cultural or psychological factors that may affect adherence to the intervention protocol. * Inability to communicate with study staff. * Inability to follow recommended diet or inability to engage in physical activity. * Low likelihood of modifying dietary habits according to the different stages of change according to the Prochaska and DiClemente model. * Difficulty attending scheduled appointments within the intervention due to work schedule conflicts, travel plans, scheduled surgeries, among other reasons. * Therapeutic non-compliance. * Participating in a professionally-led nutritional intervention. * Being under medical treatment that affects weight, intake or energy expenditure in the 3 months preceding the start of the study. Smokers who have changed their smoking habit in the 6 months preceding the start of the study (including starting or stopping smoking). \- Participation in another trial that may interfere with this proposed 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.
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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IMDEA Nutrition
RECRUITINGMadrid, Madrid, 28049, Spain
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