NCT07368777

Comparison of Genotype-Based Dietary Counseling Versus Standard Dietary Counseling on Weight Loss and Fat Mass Reduction

• Status: Recruiting
• Phase: N/A
• Study type: Interventional
• Enrollment: 88 (estimated)
• Sponsor: Metropolitan College · Academic / Other
• Sex: All
• Age: 18 Years – 65 Years
• Healthy volunteers: Accepted

Summary

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.

Conditions

• Overweight
• Overweight and Obesity
• Adiposity

Interventions

Type	Name	Description
BEHAVIORAL	Genotype-Based Dietary Counseling	This intervention consists of dietary counseling informed by individual genetic information. Nutrition guidance is provided by qualified nutrition professionals and aims to support weight management and reduction of body fat over the intervention period.
BEHAVIORAL	Standard Dietary Counseling	This intervention consists of dietary counseling based on general dietary guidelines and standard nutrition recommendations. Counseling is delivered by qualified nutrition professionals without the use of genetic information.

Timeline

• Start date: 2025-12-15
• Primary completion: 2027-01-01
• Completion: 2027-03-01
• First posted: 2026-01-27
• Last updated: 2026-01-28

Locations

1 site across 1 country: Greece