Comparing Gene-Informed and Standard Diet Advice for Weight Loss
Compares diet advice guided by genetic information with standard diet advice in adults with overweight.
Plain-language title generated from the registry record
Registry title: Comparison of Genotype-Based Dietary Counseling Versus Standard Dietary Counseling on Weight Loss and Fat Mass Reduction
Key facts
- Where
- Marousi, GreeceSee the site
Could this be for you?
Answer for yourself. This is not a decision: only the study team can say whether you can take part.
- Are you between 18 and 65 years old?
Source: NCT07368777, who can take part
Where in Greece
- Dietetics Department, School of Health Sciences, Metropolitan CollegeMarousi, GreeceTaking people
Questions to ask the study team
- How often do I need to come in, and for how long each time?
- Are travel costs paid?
- Can I keep my own doctor?
- What happens if I want to stop?
Trial details
- Who runs it
- Metropolitan College
- Trial code
- NCT07368777
- Record updated
- 28 January 2026
- Original description
This study aims to compare the effects of genotype-based dietary counseling with standard dietary counseling based on general recommendations on weight loss and reduction of body fat. Participants will receive individualized dietary guidance either informed by genetic information or based on conventional dietary guidelines. Changes in body weight and body composition will be assessed over the course of the intervention.Read full original descriptionShow less
Comparison of Genotype-Based Dietary Counseling Versus Standard Dietary Counseling on Weight Loss and Fat Mass Reduction
This study aims to compare the effects of genotype-based dietary counseling with standard dietary counseling based on general recommendations on weight loss and reduction of body fat. Participants will receive individualized dietary guidance either informed by genetic information or based on conventional dietary guidelines. Changes in body weight and body composition will be assessed over the course of the intervention.
Inclusion: 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: 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; Presence of medical conditions that may affect body weight, metabolism, or nutritional status, including untreated thyroid disease, severe gastrointestinal disorders, or endocrine disorders; Pregnancy or lactation.