Effects of Late Dinner Against Early Dinner on Weight Loss Healthy Obese Women

Effects of Late Dinner Against Early Dinner on Weight Loss Healthy Obese Women in a Weight-loss Program: a Randomized Clinical Trial

The aim of the present study is to test whether late eating dinner could affect the amount of weight loss in healthy obese women in a weight-loss program.

Study Overview

• Status: Completed
• Conditions: Obesity; Overweight
• Intervention / Treatment: Behavioral: Early dinner+Diet; Behavioral: Late dinner+Diet

• Study Type: Interventional
• Enrollment (Actual): 70
• Phase: Not Applicable

Contacts and Locations

Study Locations

• Iran, Islamic Republic of
  • Tehran, Iran, Islamic Republic of
    • NovinDiet Clinic

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years to 45 years (Adult)
• Accepts Healthy Volunteers: Yes
• Genders Eligible for Study: Female

Description

Inclusion Criteria:

• Must have Body mass index (BMI) between 27-35 kg/ m².
• Must be able to have moderate exercise.
• Must be interested to have weight loss.

Exclusion Criteria:

• Participating in a research project involving weight loss or physical activity in the previous six months.
• Pregnancy or lactation during the previous 6 months, or planned pregnancy in the next six months.
• Taking medication that could affect metabolism or change body weight.
• Report heart problems, chest pain, and cancer within the last five years.
• Smoking
• Menopause
• Diagnosis of any chronic disease such as fatty liver, cancer, chemo/radio therapy, heart disease, immune compromised conditions, abnormal thyroid hormone level.

Study Plan

How is the study designed?

Design Details

• Primary Purpose: Treatment
• Allocation: Randomized
• Interventional Model: Parallel Assignment
• Masking: Single

Number of Arms

2

Arms and Interventions

Participant Group / Arm	Intervention / Treatment
Experimental: early dinner+Diet	Behavioral: Early dinner+Diet; Subjects are asked to eat dinner meals between 7:00- 7:30 PM in the ED group, while they are on a multidisciplinary weight loss plan for 12 weeks.; Other Names: ED
Experimental: late dinner+Diet	Behavioral: Late dinner+Diet; Subjects are asked to eat their dinner meal between 10:30-11:00PM, while they are on a multidisciplinary weight loss plan for 12 weeks.; Other Names: LD

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
weight loss	kg	12 Weeks

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
waist circumference	cm	12 Weeks
fasting plasma glucose	mmol/L	12 Weeks
insulin level	mU/l	12 Weeks
insulin resistance (HOMA-IR)	Score	12 Weeks
glycosylated hemoglobin (HbA1c)	percentage (%)	12 Weeks
lipid profiles	mmol/l	12 Weeks
Liver Enzyme (SGOT, SGPT)	U/l	12 Weeks

Collaborators and Investigators

• Sponsor: Novindiet Clinic
• Collaborators: Tehran University of Medical Sciences; University of Nottingham

Study record dates

Study Major Dates

• Study Start (Actual): June 1, 2017
• Primary Completion (Actual): October 5, 2017
• Study Completion (Actual): November 18, 2017

Study Registration Dates

• First Submitted: April 15, 2017
• First Submitted That Met QC Criteria: April 22, 2017
• First Posted (Actual): April 26, 2017

Study Record Updates

• Last Update Posted (Actual): October 28, 2019
• Last Update Submitted That Met QC Criteria: October 24, 2019
• Last Verified: October 1, 2019

More Information

Terms related to this study

• Keywords: weight loss; dietary pattern; late dinner; early dinner
• Additional Relevant MeSH Terms: Body Weight; Body Weight Changes; Weight Loss; Overweight
• Other Study ID Numbers: ND-202

Plan for Individual participant data (IPD)

• Plan to Share Individual Participant Data (IPD)?: UNDECIDED

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: No
• Studies a U.S. FDA-regulated device product: No