Can a facebook group help you lose weight as well as a weekly video call?
NCT ID NCT06393725
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study compares two digital weight loss programs for people with obesity. One program uses weekly live video meetings, while the other uses a private Facebook group that participants can access anytime. The goal is to see if the flexible, on-demand option works as well as the scheduled one. About 328 participants will be followed for two years to track weight loss, engagement, and cost.
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- behavioral intervention (digital weight loss program based on the Diabetes Prevention Program)
- What this could lead to
- If successful, this could show that a flexible, on-demand online weight loss program works just as well as scheduled video meetings, making effective weight loss support more accessible.
- What could go wrong
- This is a non-inferiority trial, meaning it aims to show the asynchronous method is not worse than the synchronous one, not that it is better. The results may not apply to people who are not active on Facebook or lack reliable internet access.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
-
Not a phased trial
Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.
- Participants
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About 328 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Feb 2025
- Expected to finish
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Jun 2028
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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18 to 65 years
- Sex
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Anyone
- Healthy volunteers
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Accepted
You do not need to have the condition being studied to take part.
Show the full entry requirements Hide the full entry requirements
Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
Inclusion Criteria: * BMI 27-45 * has Bluetooth or wifi connectivity at home (for scale) * goes on Facebook at least 5 days per week over the past 2 weeks * has posted/replied at least once a week in the past 2 weeks (per self-report) * has a smart phone Exclusion Criteria: * Pregnant or lactating or plans to during study period * bipolar disorder, substance abuse, psychosis, bulimia, binge eating disorder, or severe depression * had bariatric surgery or plans to during the study * currently taking meds affecting weight * lost ≥5% of weight in past 6 months * participating in another weight loss program or plans to during the study * chronic pain or medical condition that interferes with the ability to exercise * type 1 diabetes * unable to walk ¼ mile unaided without stopping * nicotine user
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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University of Connecticut
Storrs, Connecticut, 06269, United States
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