NCT05448313Completed
Collaborate2Lose: Involving Support Persons in Weight Management
Collaborate2Lose: Collaborating With Romantic and Non-romantic Support Persons to Improve Long-term Weight Loss
Source: ClinicalTrials.gov · Last updated 21 Nov 2025
Brief summary (registry, in English)
This study involves an evaluation of whether social support from a cohabitating adult improves Veteran weight loss in a weight management program.
- Status (registry)
- Completed
- Study type
- Interventional
- Enrollment
- 300 (actual)
- First submitted
- 1 Jul 2022
- Start date
- 1 Aug 2023
- Primary completion date
- 11 Nov 2025
- Lead sponsor
- VA Office of Research and Development
- Diseases
- Obesity
- NCT number
- NCT05448313
What you commit to
- Study type: Interventional
- Participants enrolled: 300
- From 1 Aug 2023 to the primary completion date, 11 Nov 2025
- 1 site in 1 country
- Visits and tests: ask the trial team, the registry does not list them
Built from the registry fields of ClinicalTrials.gov. It describes the study, not your situation.
Who cannot take part
Copied verbatim from ClinicalTrials.gov and grouped by topic. Only the trial team decides who can take part.
Prior treatment
- weight loss \>= 10 lb in the month prior to screening
- current use of weight loss medications
Other illness
- active dementia or substance abuse
- history of bariatric surgery or planning to have bariatric surgery in the next 18 months
- chronic or unstable illness that would limit ability to participate (e.g., recent hospitalization)
- active dementia or substance abuse
- chronic or unstable illness that would impair their ability to provide support
Other
- Patient exclusion criteria
- pregnancy or planning to become pregnant in the next 18 months, or breastfeeding
- living in a facility such as a nursing home, skilled nursing facility, or assisted living facility
- unable to control what food is purchased and / or served
- impaired hearing
- participation in VA MOVE! weight management program in the past 6 months
- current participation in a research or clinical program focusing on lifestyle change
- vomits once or more per week Partner exclusion criteria
- BMI \< 18.5 kg/m2
- impaired hearing
- living in a facility such as a nursing home, skilled nursing facility, or assisted living facility
Who the study is looking for
- Patient inclusion criteria
- aged 18 years or older
- BMI \>= 30 kg/m2
- at least one visit with a VA primary care provider within the past year
- weight \<=420 lb due to study scale limits
- have been cohabitating and have daily contact over the past 6 months with an adult who can provide support (e.g., spouse/domestic partner, sibling, adult child, friend, family member) for the next 18 months
- desire to lose weight
- able to stand for weight measurements without assistance
- \< 2 errors on a validated 6-item cognitive screener
- ability to speak English
- agrees to attend visits per protocol
- individual email-address
- access to hardware and internet connection to enable participation with approved virtual platform Partner inclusion criteria
- aged 18 years or older
- willing to participate
- \< 2 errors on a validated 6-item cognitive screener
- ability to speak English
- individual email address
Age in the registry: 18 years to - · Sex: All · Does not accept healthy volunteers
Sites (1)
Sites in registry order. Pick your city on the disease page to sort them by distance.
| Site | City | Country | Site status |
|---|---|---|---|
| William S. Middleton Memorial Veterans Hospital, Madison, WI Coordinator of this site? Confirm its status | Madison | United States | Unknown status |
This page is information, not medical advice. Discuss any trial with your doctor.