Effects of Meal Energy Density on Body Measures and Metabolism in Women
NCT ID: NCT07066618
Last Updated: 2025-07-15
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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COMPLETED
NA
28 participants
INTERVENTIONAL
2023-11-15
2024-03-25
Brief Summary
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A total of 28 women participated in the study and were randomly assigned to one of two diet plans: one group consumed half of their daily calories at breakfast, while the other consumed them at dinner. Both groups followed a calorie-restricted diet for six weeks.
The goal of this research is to understand whether eating more in the morning rather than in the evening leads to better outcomes for weight control and metabolic health. Findings from this study may help health professionals make more effective meal timing recommendations for weight loss and improving blood sugar regulation.
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Detailed Description
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Conditions
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Study Design
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RANDOMIZED
PARALLEL
TREATMENT
NONE
Study Groups
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Breakfast Group (BG)
Breakfast-Loaded Hypocaloric Diet
Participants in this group consumed a hypocaloric diet in which 50% of daily energy intake was provided at breakfast, 35% at lunch, and 15% at dinner. Meal times were standardized as follows: breakfast (7:00-9:00), lunch (12:00-14:00), and dinner (18:00-20:00). The diet was individually tailored and provided 20% fewer calories than the participants' total energy expenditure. Macronutrient distribution followed recommended guidelines: 45-60% carbohydrates, 10-20% protein, and 20-35% fat.
Dinner Group (DG)
Dinner-Loaded Hypocaloric Diet
Participants in this group consumed a hypocaloric diet in which 15% of daily energy intake was provided at breakfast, 35% at lunch, and 50% at dinner. Meal times were standardized as follows: breakfast (7:00-9:00), lunch (12:00-14:00), and dinner (18:00-20:00). The diet was individually tailored and provided 20% fewer calories than the participants' total energy expenditure. Macronutrient distribution followed recommended guidelines: 45-60% carbohydrates, 10-20% protein, and 20-35% fat.
Interventions
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Breakfast-Loaded Hypocaloric Diet
Participants in this group consumed a hypocaloric diet in which 50% of daily energy intake was provided at breakfast, 35% at lunch, and 15% at dinner. Meal times were standardized as follows: breakfast (7:00-9:00), lunch (12:00-14:00), and dinner (18:00-20:00). The diet was individually tailored and provided 20% fewer calories than the participants' total energy expenditure. Macronutrient distribution followed recommended guidelines: 45-60% carbohydrates, 10-20% protein, and 20-35% fat.
Dinner-Loaded Hypocaloric Diet
Participants in this group consumed a hypocaloric diet in which 15% of daily energy intake was provided at breakfast, 35% at lunch, and 50% at dinner. Meal times were standardized as follows: breakfast (7:00-9:00), lunch (12:00-14:00), and dinner (18:00-20:00). The diet was individually tailored and provided 20% fewer calories than the participants' total energy expenditure. Macronutrient distribution followed recommended guidelines: 45-60% carbohydrates, 10-20% protein, and 20-35% fat.
Eligibility Criteria
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Inclusion Criteria
* BMI ≥25 kg/m²
* Regular menstrual cycle
* No chronic disease or medication use
* PSQI ≤5 (Good sleep quality)
Exclusion Criteria
* Gastrointestinal or metabolic disorders
* Shift workers, sleep disorders
* Medication affecting metabolism
* Weight change \>4.5 kg in last 6 months
20 Years
45 Years
FEMALE
Yes
Sponsors
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Melike Nur Eroğlu
OTHER
Responsible Party
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Melike Nur Eroğlu
Lecturer
Locations
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Sakarya University of Applied Sciences, Faculty of Sport Sciences, Exercise and Sports Sciences Education, Application and Research Centre
Sakarya, , Turkey (Türkiye)
Countries
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Provided Documents
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Document Type: Informed Consent Form
Other Identifiers
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BASKENT-MEALTIME-2023
Identifier Type: -
Identifier Source: org_study_id
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