A Randomized Controlled Trial Comparing the Efficacy of Commercial Weight Management Programs
Completed · Not applicable
Conditions studied: Obesity and Overweight
In brief
The study compares the effectiveness of three commercial weight management programs. The primary outcome is absolute and percentage weight change at 12-weeks.
Key facts
- Study ID
- NCT06972277
- Run by
- WW International Inc
- People needed
- 459
- Starts
- 2025-05-14
- Expected to finish
- 2026-01-09
- Last updated by the study team
- 2026-04-13
Who can join
Age: 18 and older. Sex: any. Healthy volunteers: not accepted.
You may qualify if…
- 18 years or older
- BMI ≥27 kg/m²
- Own a bodyweight scale that they can weigh themselves with during the study
- Willing and able to comply with study protocol
- Capable of providing informed consent
- Able to read and write in English
- Willing to be randomized
- Willing to sign a Non Disclosure Agreement
You may not qualify if…
- Pregnant, lactating, or plans to become pregnant in the next 6 months
- Previous bariatric surgery or planned bariatric surgery during the study period
- Major surgery within the past 6 months or plans to have surgery during the study period
- Participation in the previous 3 months or current participation in a structured behavioral weight loss program
- Participation in another structured weight loss program during the study period (i.e., the next 3 months)
- Communication needs that would render them unable to understand the study and/or intervention materials
- Current or previous history of anorexia or bulimia nervosa
- Engagement with vomiting or laxative use within the last 28 days with the aim of controlling their shape or weight
- Currently taking anti-obesity medications, planning to take anti-obesity medications in the next 6 months, or previously taken anti-obesity medications in the previous 3 months
- Weight loss of ≥ 5 kg (11 lb) in the previous 6 months
- Self-reported diagnosis of severe depression, bipolar disorder, substance abuse, or psychosis
- Participants who are involved in any other research studies at this time
- Untreated thyroid disease or any changes (type or dose) in thyroid medication in last 6 months
- Chronic/inflammatory gastrointestinal disorders (irritable bowel syndrome is acceptable)
- History of heart problems (e.g., angina, bypass surgery, myocardial infarction, etc.) within previous 6 months
- Diagnosis of type 1 or type 2 diabetes
- Presence of implanted cardiac defibrillator or pacemaker
- History of cancer within past 5 years or current treatment for cancer
- Hospitalization for psychiatric disorders during the last 12 months
Where it is running
- WW International, Inc — New York, New York, United States
Full record on ClinicalTrials.gov
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