International Weight Control Registry
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- This is an observational study: the protocol does not assign a study treatment.
- Who it may be relevant to
- Registry conditions: Weight Loss, Overweight, Obesity. Basic parameters: from 18 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- United States
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
Unsure about the terms? Read our patient guide →
Overview
The IWCR is a global scientific study aimed at better understanding the opportunities and barriers for reducing the prevalence of obesity by collecting information from people who have experience with weight management in their everyday lives. The investigators seek to gather information on a wide range of weight management experiences, ranging from weight loss and weight loss maintenance to weight gain and inability to lose weight.
Primary outcome measures
- Percent weight change [Time frame: 5 Years]
Eligibility criteria
Inclusion criteria
- The IWCR is open to anyone 18 years or older who is considering weight loss, is actively engaged in weight loss, or has previously attempted weight loss (including successful and unsuccessful attempts)
Exclusion criteria
- Minors, below the age of 18
- Adults who are not able to give informed consent online and complete online surveys
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: Yes
Study design
- Observational model
- Cohort
Study locations
United States · 7 centers
- University of Alabama at Birmingham — Birmingham
- University of Colorado, Denver — Denver
- University of Kansas Medical Center — Kansas City
- Pennington Biomedical Research Center — Baton Rouge
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University — Boston
- University of New Hampshire — Durham
- United States Military Academy, West Point — West Point
Publications
- Chui TK, Cedillo YE, El Zein A, Pavela G, Caldwell AE, Peters JC, Friedman JE, DebRoy S, Oslund JL, Das SK, Roberts SB, Hill JO, Sayer RD. Evaluation of socioecological factors on health behaviors and weight change during major life event: A cross-sectional study using data collected during the COVID-19 pandemic. Obes Sci Pract. 2024 Aug 10;10(4):e785. doi: 10.1002/osp4.785. eCollection 2024 Aug. PMID 39130192
- Caldwell AE, More KR, Chui TK, Sayer RD. Psychometric validation of four-item exercise identity and healthy-eater identity scales and applications in weight loss maintenance. Int J Behav Nutr Phys Act. 2024 Feb 23;21(1):21. doi: 10.1186/s12966-024-01573-y. PMID 38395833
- Roberts SB, Das SK, Sayer RD, Caldwell AE, Wyatt HR, Mehta TS, Gorczyca AM, Oslund JL, Peters JC, Friedman JE, Chiu CY, Greenway FL, Donnelly JE, Dao MC, Cuevas AG, Affuso O, Wilkinson LL, Thomas D, Al-Ozairi E, Yannakoulia M, Khazrai YM, Manalac RJ, Bachiashvili V, Hill JO. Technical report: an online international weight control registry to inform precision approaches to healthy weight managemen PMID 35710944
Identifiers
NCT: NCT04907396 · 13075