Evaluation of a Commercial Program on Weight Loss and Health Outcomes

Completed · Not applicable

Conditions studied: Overweight and Obesity

In brief

The purpose of this study is to examine the acceptability and efficacy of a modified Weight Watchers program over 24 weeks. Assessments will be conducted at 0, 3, and 6 months.

Key facts

Study ID

NCT03037567

Run by

University of North Carolina, Chapel Hill

People needed

152

Starts

2017-01-27

Expected to finish

2017-08-31

Last updated by the study team

2018-05-18

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Body mass index (BMI) between 25 and 43 kg/m²
• Ability to read and speak English
• All ethnic groups will be recruited
• Self-report desire to lose weight and willing to follow study recommendations
• Use of an iPhone with iOS 8.0 or later for use on a daily basis, and basic app skills
• Have access to the internet via a computer, and basic computer skills

You may not qualify if…

• Currently following a commercial weight-loss program (including Weight Watchers) or who followed a weight loss program in the previous 6 months or who were members of Weight Watchers within the past 12 months
• Another member of the household participating in the study.
• Pregnant or nursing, or planning on becoming pregnant over the next 9 months.
• Planning to relocate in the next 9 months
• Involvement in another research study that would interfere with participation in this study
• Excessive alcohol intake or dependence
• Recent weight loss of ≥ 5 kg in the previous 6 months.
• Report health problems that make weight loss or unsupervised exercise unsafe or unreasonable (e.g., orthopedic limitations, heart problems, history or heart attack or stroke)
• History of clinically diagnosed eating disorder.
• Untreated thyroid disease or and changes in dose or type of thyroid medication over previous 6 months
• Chronic/inflammatory gastrointestinal disorders (Irritable Bowel Syndrome acceptable)
• Taking any prescription medication with known effects on appetite or weight
• Previous surgical procedure for weight loss.
• Major surgery within the previous 6 months.
• Resting systolic blood pressure >160 mmHg or resting diastolic blood pressure >100 mmHg
• Diuretic use over 1.5mg per day
• Diagnosis of type 1 or type 2 diabetes
• Presence of implanted cardiac defibrillator or pacemaker.
• History of presence of cancer within past 5 years or current treatment for cancer (completely resected basal or squamous cell carcinoma acceptable if treatment

Where it is running

• University of North Carolina at Chapel Hill — Chapel Hill, North Carolina, United States

Full record on ClinicalTrials.gov

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