Gene-Based dieting: the future of weight loss or just hype?
NCT ID NCT07368777
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two types of diet counseling for weight loss: one based on your genetic makeup and the other on standard healthy-eating guidelines. About 88 overweight adults will receive personalized advice and be followed to see which approach leads to greater fat loss and weight reduction. The goal is to find out if knowing your genes can make dieting more effective.
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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 88 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Dec 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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Accepted
You do not need to have the condition being studied to take part.
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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: * Adults aged ≥18 years * Body mass index (BMI) ≥25 kg/m² * Greek-speaking (able to read and understand Greek and provide informed consent) * Willing and able to participate in dietary counseling and study assessments for the duration of the study Exclusion Criteria: * Current use of pharmacological treatments for weight loss, including but not limited to GLP-1 receptor agonists, appetite suppressants, or other anti-obesity medications * Participation in any structured weight-loss intervention or program within the previous 3 months, including commercial weight-loss programs or medically supervised dietary interventions * Use of medications known to significantly affect body weight or body composition, such as systemic corticosteroids, antipsychotic medications, or medications for thyroid disorders * Pregnancy or lactation * Presence of medical conditions that may affect body weight, metabolism, or nutritional status, including untreated thyroid disease, severe gastrointestinal disorders, or endocrine disorders
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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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Dietetics Department, School of Health Sciences, Metropolitan College
RECRUITINGMarousi, 151 25, Greece
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