NCT05448313

Collaborate2Lose: Involving Support Persons in Weight Management

Collaborate2Lose: Collaborating With Romantic and Non-romantic Support Persons to Improve Long-term Weight Loss

• Status: Completed
• Phase: N/A
• Study type: Interventional
• Enrollment: 300 (actual)
• Sponsor: VA Office of Research and Development · Federal
• Sex: All
• Age: 18 Years
• Healthy volunteers: Not accepted

Summary

This study involves an evaluation of whether social support from a cohabitating adult improves Veteran weight loss in a weight management program.

Detailed description

Dyads comprising a Veteran with obesity and a cohabitating adult will be randomized to participate in a weight management program by the Veteran alone or with their support person. The program will be delivered by research staff using a secure video platform. Outcomes will be assessed remotely at baseline and weeks 24, 48, and 72, with 72 weeks as the primary endpoint.

Conditions

• Obesity

Interventions

Type	Name	Description
BEHAVIORAL	Dyadic intervention	Dyads comprising a Veteran and cohabitating support person will participate in the 16-week VA MOVE! weight loss program delivered by video platform. They will then participate in 6 group sessions focused on weight maintenance skills. Communication skills will be taught throughout the intervention.
BEHAVIORAL	Veteran-only intervention	Veterans will participate in a 72-week weight management program delivered by video platform. 16 sessions will address weight loss, with 6 additional ones addressing weight loss maintenance.

Timeline

• Start date: 2023-08-01
• Primary completion: 2025-11-11
• Completion: 2025-11-11
• First posted: 2022-07-07
• Last updated: 2025-11-21

Locations

1 site across 1 country: United States