Effects of Internet-based Diet Plus Online Dietary Coach Compared With in Person Clinic Visit Approach on Weight Loss

Study Overview
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Brief Summary
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The purpose of this study is to examine the efficacy of an internet based diet plus a regular dedicated dietary coach (ID group) versus clinic visit based weight loss program (CD group) on weight loss in obese and overweight female adults.

Official Title
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Effects of Internet-based Diet Plus Online Dietary Coach Compared With in Person Clinic Visit Approach on Weight Loss in Healthy Obese Women in a Weight-loss Program: a Randomized Clinical Trial

Conditions
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Obesity, Overweight

Intervention / Treatment
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* Behavioral: Internet Diet
* Behavioral: Clinic Diet


Participation Criteria
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Eligibility Criteria
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Inclusion Criteria: Must be female Must be 18-45 years of age. 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. Have access to a personal computer and the Internet Exclusion Criteria: Pregnancy or lactation during the previous 6 months, or planned pregnancy in the next six months. Taking medications 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.

Ages Eligible for Study
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Minimum Age: 18 Years
Maximum Age: 45 Years

Sexes Eligible for Study
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Female

Accepts Healthy Volunteers
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Accepts Healthy Volunteers

Study Plan
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How is the study designed?
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Design Details

Primary Purpose: Treatment
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: Single


Arms and Interventions

| Participant Group/Arm | Intervention/Treatment |
| --- | --- |
| Experimental: Internet Diet<br>Internet Diet group have online dietary coach every 2 weeks | Behavioral: Internet Diet<br>* ID group have online dietary coach every 2 weeks<br>* Other names: ID;|
| Experimental: Clinic Diet<br>clinic visit based weight loss diet program group who have every 2 weeks visit at clinic. | Behavioral: Clinic Diet<br>* CD group have every 2 weeks visit at clinic<br>* Other names: CD;|

What is the study measuring?
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Primary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Weight | kg | 1year | 

Secondary Outcome Measures

| Outcome Measure | Measure Description | Time Frame |
| --- | --- | --- |
| Waist circumference | cm | 1year | 
| fasting blood glucoses | mmol/l | 1year | 
| fasting insulin level | mU/l | 1year | 
| HbA1c | Score | 1year | 
| HOMA-IR | percentage (%) | 1year | 
| lipid profiles | mmol/l | 1year | 
| liver function tests | U/l | 1year | 

 Terms related to the study
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Keywords Provided by Centre Hospitalier Valida
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Diet, weight loss, internet-based diet, online dietary coach, clinic visit approach