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Effects of Restricted-time and Psychochrononutritional Feeding in People With Metabolic Syndrome
Sponsor: University of Guadalajara
Summary
Metabolic syndrome is a cluster of risk factors, including abdominal obesity, high blood pressure, high triglycerides, and insulin resistance, that increase the risk of developing type 2 diabetes and cardiovascular disease. The prevalence of this syndrome is rising in Mexico. Recent research suggests that when we eat is as important as what we eat. Therefore, chrononutritional strategies such as time-restricted eating (TRE), where food intake is confined to a specific daily time window, have been developed and shown promising benefits. However, there are documented barriers to maintaining this nutritional strategy over time. Therefore, this study proposes that combining TRE with a psychochrononutritional program (integrating psychological, chronobiological, and nutritional components) will improve adherence to the nutritional strategy and lead to better health outcomes than only prescribing a specific eating window. To this end, 64 adults (18-60 years old) with metabolic syndrome will be recruited in Ciudad Guzmán, Jalisco, Mexico. The TRE intervention will last eight weeks and include two groups. One group will undergo a psychochrononutritional intervention, whereas the other will receive only instructions regarding the eating window. Within each group, two subgroups will be formed: one assigned to an 8-hour eating window, and the other to a 10-hour window. Before and after the intervention, anthropometric, biochemical (lipid profile and plasma glucose), clinical (blood pressure), and dietary assessments will be performed. We expect reductions in blood pressure, glucose, triglycerides, and waist circumference as well as better adherence in the psychochrononutritional intervention group.
Official title: Effect of a Restricted Time and Psychochrononutritional Feeding Intervention Program on the Nutritional Status of People With Metabolic Syndrome in Ciudad Guzmán
Key Details
Gender
All
Age Range
18 Years - 60 Years
Study Type
INTERVENTIONAL
Enrollment
64
Start Date
2025-12-04
Completion Date
2026-06
Last Updated
2026-02-18
Healthy Volunteers
No
Conditions
Interventions
Time restricted eating
Behavioral and dietary intervention in which participants are instructed to consume all their food and caloric beverages within a fixed window (8 or 10 hours, depending on arm assignment). Outside of this window, only water or non-caloric beverages are permitted. The intervention will last 8 weeks.
Psychochrononutritional intervention
Participants will receive a structured psychochrononutritional intervention consisting of eight weekly sessions. The program will cover the following topics: * Chrononutrition: The internal clock of eating. * Food groups and healthy menu planning. * Portion control: Learning to measure appropriately. * Effects of sugary drinks. * Sleep and its impact on eating habits. * Social and cultural factors in eating habits. * The relationship between physical activity and nutrition. * Making informed nutritional decisions.
Locations (1)
Centro Universitario del Sur
Ciudad Guzmán, Jalisco, Mexico