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Study and comparison of the effect of time-restricted feeding diet with calorie-restricted diet in the control and treatment of obesity

Investigating and comparing the effect of time-restricted eating diet and low-calorie diet on anthropometric, metabolic, sleep quality, circadian rhythm status and expression of BMAL-1 and miRNA-let-7f-1-3p genes in obese women

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
IRCT
Registry ID
IRCT20100123003140N25
Enrollment
42
Registered
2025-07-28
Start date
2025-09-15
Completion date
Unknown
Last updated
2025-08-19

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Obesity. Endocrine, nutritional and metabolic diseases complicating pregnancy, childbirth and the puerperium

Interventions

Intervention 1: Intervention group: The group receiving the time-restricted feeding diet. The time-restricted feeding diet will be considered as a 16:8 diet, and this is how people have a 16-hour hung

Sponsors

Tabriz University of Medical Sciences
Lead Sponsor

Eligibility

Sex/Gender
Female
Age
19 Years to 49 Years

Inclusion criteria

Inclusion criteria: Obese women with a body mass index of 30-35 kg/m2 Women in the age range of 19-49 years Women who have not gone through menopause

Exclusion criteria

Exclusion criteria: History of any disease such as hypertension, cardiovascular, liver, kidney diseases, cancers, mental and psychological diseases, and in general any type of disease that affects a person's diet. Drug abuse such as smoking or alcoholism according to the person's own statements. Taking any medication or dietary supplement that affects appetite such as antidepressants-steroids or contraceptives. Pregnancy Breastfeeding Having a special and unusual diet plan within the last 3 months. Having weight loss plans within the last 3 months. Having a job that requires working the night shift.

Design outcomes

Primary

MeasureTime frame
BMAL-1 gene expression. Timepoint: This variable will be measured at baseline and before the start of the study and at the end of the study (week 12). Method of measurement: quantitative polymerase chain reaction method.;MiRNA-let-7f gene expression. Timepoint: This variable will be measured at baseline and before the start of the study and at the end of the study (week 12). Method of measurement: The quantitative polymerase chain reaction method.

Secondary

MeasureTime frame
Weight. Timepoint: Weight will be measured at baseline, before the start of the intervention, and at the end of the study, i.e., week 12. Method of measurement: scale.;Height. Timepoint: Body mass index will be measured at baseline, before the start of the intervention, and at the end of the study, i.e., week 12. Method of measurement: height gauge.;Body composition. Timepoint: Body composition index will be measured at baseline, before the start of the intervention, and at the end of the study, i.e. week 12. Method of measurement: Bioelectrical Impedance Analysis device.;Blood sugar. Timepoint: Blood sugar will be measured at the beginning of the study, before the start of the treatment, and at the end of the study, i.e. week 12. Method of measurement: laboratory kit.;Insulin. Timepoint: Insulin will be measured at the beginning of the study, before the start of the treatment, and at the end of the study, i.e. week 12. Method of measurement: laboratory kit.;Total cholesterol. Timepoint: Total cholesterol will be measured at the beginning of the study, before the start of the treatment, and at the end of the study, i.e. week 12. Method of measurement: laboratory kit.;Triglyceride. Timepoint: Triglyceride will be measured at the beginning of the study, before the start of the treatment, and at the end of the study, i.e. week 12. Method of measurement: laboratory kit.;High-density cholesterol. Timepoint: High density-cholesterol will be measured at the beginning of the study, before the start of the treatment, and at the end of the study, i.e. week 12. Method of measurement: laboratory kit.;Low-density cholesterol. Timepoint: Low density-cholesterol will be measured at the beginning of the study, before the start of the treatment, and at the end of the study, i.e. week 12. Method of measurement: laboratory kit.;Sleep quality. Timepoint: Sleep quality will be assessed at the beginning, before the intervention begins, and at the end, at week 12. Method of measurement: t

Countries

Iran (Islamic Republic of)

Contacts

Public ContactBahram Pourghassem Gargari

Tabriz University of Medical Sciences

pourghassemb@tbzmed.ac.ir+98 41 3335 7580

Outcome results

None listed

Source: IRCT (via WHO ICTRP) · Data processed: Jul 20, 2026