A Randomized Controlled Trial Comparing the Efficacy of Commercial Weight Management Programs

Description

The study compares the effectiveness of three commercial weight management programs. The primary outcome is absolute and percentage weight change at 12-weeks.

Conditions

Obesity and Overweight

Study Overview

Study Details

Study overview

The study compares the effectiveness of three commercial weight management programs. The primary outcome is absolute and percentage weight change at 12-weeks.

The Comparative Effectiveness of Commercial Weight Management Programs in Adults Living With Overweight or Obesity: A Randomized Controlled Trial

A Randomized Controlled Trial Comparing the Efficacy of Commercial Weight Management Programs

Condition
Obesity and Overweight
Intervention / Treatment

-

Contacts and Locations

New York

WW International, Inc, New York, New York, United States, 10010

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

For general information about clinical research, read Learn About Studies.

Eligibility Criteria

  • * 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
  • * 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

Ages Eligible for Study

18 Years to

Sexes Eligible for Study

ALL

Accepts Healthy Volunteers

No

Collaborators and Investigators

WW International Inc,

Michelle I Cardel, PhD, MS, RD, PRINCIPAL_INVESTIGATOR, WW International Inc

Study Record Dates

2025-12-31