Program to Reduce Obesity Through Social Support
Official title: Reducing Obesity Using Social Ties (ROBUST): Randomized Control Trial
Run by Weill Medical College of Cornell University · NCT06335810 · Data updated 2026-11-12
This study tests if having friends or family support you during a weight loss program can help you lose more weight than going it alone.
Quick facts
| Study type | Interventional |
|---|---|
| Ages | 18 Years and up |
| Sex | All |
| Enrollment | 264 (estimated) |
| Sponsor | Weill Medical College of Cornell University Academic / other |
| Locations | 1 site (New York, New York) |
| Status | Recruiting |
| Started | April 5, 2024 |
| Main results expected | December 31, 2026 |
| Study ends | December 31, 2026 |
| Registry record updated | April 1, 2026 |
| Trial ID | NCT06335810 on ClinicalTrials.gov |
Is this trial a fit for you?
✓Likely a good fit
Ideal candidates are Black or Hispanic adults aged 18 and older with a BMI over 30 who can involve at least one supportive friend or family member.
✕Probably not a fit
Patients currently enrolled in weight-loss programs or with significant medical issues that limit physical activity may not benefit from this study.
A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.
What this trial studies
This trial tests a program that involves friends or family members in a weight loss intervention to see if their participation helps the main participant lose more weight. The study focuses on addressing interpersonal barriers to weight-related behavior change by promoting communal coping and reducing social undermining. Participants will receive 15 coaching sessions over 24 weeks, complete questionnaires about their habits, and track their food intake and activity levels using a Fitbit. The effectiveness of including social network members will be compared to a control group that does not involve others.
Why it matters
Potential benefit: If successful, this program could enhance weight loss outcomes by leveraging social support.
How similar studies have gone: Other studies have shown that social support can positively influence weight loss, suggesting this approach may be effective.
Who can join: the full rules
Show full inclusion / exclusion criteria
Inclusion Criteria: * Index Participant: 1. Black race or Hispanic ethnicity 2. Male or Female 18 years of age or older 3. Calculated BMI \> 30kg/m2 from objectively measured height and weight by study staff 4. Access \& willingness to use program food intake app via home computer or a smartphone 5. Ability to identify at least one adult social network member who will participate in the study * Social Network Member: 1. Male or Female 18 years of age or older 2. Access to the internet or a smartphone Exclusion Criteria: * Index Participant: 1. Active enrollment in a weight-loss program, use of weight-loss medications, or planning weight-loss surgery 2. Advanced medical illness, dementia, hospitalization, injury, or pregnancy that inhibits regular physical activity 3. Contraindications to exercise based on the Physical Activity Readiness Questionnaire or lack of clearance from a health care provider 4. Unresolved Food insecurity 5. Speaks a language other than English or Spanish * Social Network Member: 1. Speaks a language other than English or Spanish
Where it's running
-
Weill Cornell Medicine
New York, New York, United States Recruiting
Study contacts
- Principal investigator: Erica G Phillips, MD, MS — Weill Medical College of Cornell University
- Study coordinator: Rosio Ramos, BS
- Email: ror2023@med.cornell.edu
- Phone: 646-962-5037
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How to take part
- Review the eligibility criteria above with your treating physician.
- Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
- Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.