protocolSection identificationModule nctId: NCT06335810, orgStudyIdInfo id: 23-10026599, secondaryIdInfos id: R01DK135949-01, type: NIH, link: https://reporter.nih.gov/quickSearch/R01DK135949-01, briefTitle: Reducing Obesity Using Social Ties Program, acronym: ROBUST, statusModule overallStatus: RECRUITING, startDateStruct date: 2024-04-05, primaryCompletionDateStruct date: 2026-03, completionDateStruct date: 2026-03, studyFirstPostDateStruct date: 2024-03-28, lastUpdatePostDateStruct date: 2024-04-17, sponsorCollaboratorsModule leadSponsor name: Weill Medical College of Cornell University, class: OTHER, collaborators name: National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), descriptionModule briefSummary: This trial aims to test the feasibility and acceptability of addressing interpersonal barriers to weight-related behavior change. Specifically, the study will test if, by including up to two friends, family members, or co-workers in a lifestyle intervention for weight loss, the person enrolled in the study loses more weight than someone whose friends, family members, or co-workers were not invited to participate., conditionsModule conditions: Obesity, designModule studyType: INTERVENTIONAL, phases: NA, designInfo allocation: RANDOMIZED, interventionModel: PARALLEL, primaryPurpose: OTHER, maskingInfo masking: DOUBLE, whoMasked: INVESTIGATOR, whoMasked: OUTCOMES_ASSESSOR, enrollmentInfo count: 264, type: ESTIMATED, armsInterventionsModule interventions name: Social Network Intervention, interventions name: Individual Lifestyle Intervention, interventions name: Social Network Member, outcomesModule primaryOutcomes measure: Number of participants who have attended at least 75 percent of the behavioral coaching sessions, primaryOutcomes measure: Number of intervention participants who have at least one social network member engage in the study, primaryOutcomes measure: Number of participants and social network members combined who complete the final study assessment, secondaryOutcomes measure: Change in positive communication and problem solving as measured by the McMaster Family Assessment Device (FAD) Questionnaire, secondaryOutcomes measure: Change in weight related social norms, secondaryOutcomes measure: Change in median Fitbit wear time in minutes, secondaryOutcomes measure: Change in total caloric amounts on three-day food record, secondaryOutcomes measure: Change in median number of days that the Fitbit is worn, eligibilityModule sex: ALL, minimumAge: 18 Years, stdAges: ADULT, stdAges: OLDER_ADULT, contactsLocationsModule locations facility: Weill Cornell Urology, status: RECRUITING, city: Brooklyn, state: New York, zip: 11217, country: United States, contacts name: Jesabely Solano, BS, role: CONTACT, phone: 646-962-9209, email: jes4037@med.cornell.edu, geoPoint lat: 40.6501, lon: -73.94958, locations facility: Weill Cornell Internal Medicine Associates, status: RECRUITING, city: New York, state: New York, zip: 10021, country: United States, contacts name: Jesabely Solano, BS, role: CONTACT, phone: 646-962-9209, email: jes4037@med.cornell.edu, geoPoint lat: 40.71427, lon: -74.00597, locations facility: Weill Cornell Primary Care at Lower Manhattan, status: RECRUITING, city: New York, state: New York, zip: 10038, country: United States, contacts name: Jesabely Solano, BS, role: CONTACT, phone: 646-962-9209, email: jes4037@med.cornell.edu, geoPoint lat: 40.71427, lon: -74.00597, locations facility: Weill Cornell Urology, status: RECRUITING, city: New York, state: New York, zip: 10065, country: United States, contacts name: Jesabely Solano, BS, role: CONTACT, phone: 646-962-9209, email: jes4037@med.cornell.edu, geoPoint lat: 40.71427, lon: -74.00597, hasResults: False