[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100615421":3},{"organization":4,"armGroups":7,"interventions":15,"overallOfficials":26,"centralContacts":30,"locations":40,"responsibleParty":58,"collaborators":61,"id":66,"slug":67,"hasResults":68,"nctId":69,"briefTitle":70,"officialTitle":71,"acronym":21,"eligibilityCriteria":72,"healthyVolunteers":73,"sex":74,"minAge":75,"maxAge":21,"enrollmentInfo":76,"targetDuration":21,"studyType":79,"phases":80,"briefSummary":82,"conditions":83,"keywords":86,"overallStatus":42,"whyStopped":21,"lastUpdateSubmitDate":99,"lastUpdatePostDateStruct":100,"startDateStruct":103,"completionDateStruct":105,"leadSponsor":107,"locationsCount":108},{"fullName":5,"class":6},"University of Virginia","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"Self Monitoring Feedback","EXPERIMENTAL","Participants in this study will complete a 60-minute \"Weight Loss 101\" session and use study-provided tools to record their daily food intake, physical activity, and weight. After a one-week run-in period, they will begin receiving weekly feedback messages. The content and emphasis of these messages will differ between 2 conditions: positive reinforcement vs. positive reinforcement + areas for change.",[13,14],"Behavioral: Positive Reinforcement","Behavioral: Positive Reinforcement + Areas for Change",[16,22],{"type":17,"name":18,"description":19,"armGroupLabels":20,"otherNames":21},"BEHAVIORAL","Positive Reinforcement","Feedback composed by a study interventionist that focuses exclusively on positively reinforcing the participant's progress toward achieving their goals.",[9],null,{"type":17,"name":23,"description":24,"armGroupLabels":25,"otherNames":21},"Positive Reinforcement + Areas for Change","Feedback provided by a study interventionist that combines positive reinforcement of the participant's progress with constructive guidance on areas for improvement to support successful goal attainment.",[9],[27],{"name":28,"affiliation":5,"role":29},"Becca Krukowski, Ph.D.","PRINCIPAL_INVESTIGATOR",[31,36],{"name":32,"role":33,"phone":34,"phoneExt":21,"email":35},"Maddie Glover, B.S.","CONTACT","4342432387","ktg7zr@virginia.edu",{"name":37,"role":33,"phone":38,"phoneExt":21,"email":39},"Teace Markwalter, M.P.H., CHES","540-239-6283","bdwcp@virginia.edu",[41],{"facility":5,"status":42,"city":43,"state":44,"zip":45,"country":46,"countryCode":47,"cosmosGeoPoint":48,"geoPoint":53,"contacts":54},"RECRUITING","Charlottesville","Virginia","22901","United States","US",{"type":49,"coordinates":50},"Point",[51,52],-78.47668,38.02931,{"lat":52,"lon":51},[55,56],{"name":32,"role":33,"phone":34,"phoneExt":21,"email":35},{"name":57,"role":33,"phone":38,"phoneExt":21,"email":39},"Teace Markwalter, MPH, CHES",{"type":29,"investigatorFullName":59,"investigatorTitle":60,"investigatorAffiliation":5,"oldNameTitle":21,"oldOrganization":21},"Rebecca A. Krukowski","Principal Investigator",[62,64],{"name":63,"class":6},"University of Florida",{"name":65,"class":6},"Wake Forest University Health Sciences","100615421","examining-valence-based-effects-in-self-monitoring-feedback-messages-100615421",false,"NCT07292389","Examining Valence-based Effects in Self-Monitoring Feedback Messages","Examining Valence-based Effects in Self-monitoring Feedback Messages, in the Development of a Novel Semi-automated Self-monitoring Feedback System for Obesity Treatment","Inclusion Criteria:\n\n* Age greater than or equal to 18 years\n* BMI greater than or equal to 25.0 kg\u002Fm2\n* Weight less than or equal to 175 kg (due to scale limit)\n* Own a smartphone compatible with Fitbit (e.g., an Apple iPhone running iOS 16.4 or higher or Android smartphone running Android 11 or higher) with a cellular and data plan\n\nExclusion Criteria:\n\n* Weight greater than 175 kg (due to a weight limit of the study-provided scale)\n* Smartphone device owned deemed incompatible with the Fitbit App\n* History of bariatric surgery or plans to obtain bariatric surgery during the study period\n* Current use of weight loss medications, or use of weight loss medications in the 6 months prior to initial pre-screening\n* Currently participating in a weight-loss program\n* Weight loss of greater than or equal to 10 lbs in the 6 months prior to initial pre-screening\n* Physical limitations that prevent walking at a brisk pace for at least 10 minutes without stopping\n* Use of a pacemaker or other implanted medical device\n* Currently pregnant\n* Currently breastfeeding\n* Less than 1-year post-partum\n* Plans to become pregnant within the study period\n* Lack of written confirmation that the potential participant has discussed study participation with their physician if they have been diagnosed with diabetes, hypertension, or has have a history of coronary heart disease\n* One or more study participants living in the household (enrollment limited to one participant per household)\n* Medical conditions that contraindicate weight loss or prevent completion of the study (e.g., current diagnosis of cancer or terminal illness, dementia, etc.)\n* Recent (in the past 6 months) changes in medications that affect weight\n* Self-reported eating disorder within past 5 years\n* Unable to complete the 17-week study (due to plans to relocate during the study period, etc.)\n* Unable or unwilling to provide informed consent\n* Unable to read English at the 5th grade level\n* Unwilling to accept random assignment\n* Unable or unwilling to download the study smartphone application, wear the physical activity monitor, or use the study e-scale\n* Failure to complete baseline assessment measures\n* Failure to complete at least 4 out of 6 days of self-monitoring dietary and weight self-monitoring during the behavioral run-in period\n* Any other condition(s) which, in the opinion of the Principal Investigator, would adversely affect participation in the study",true,"ALL","18 Years",{"count":77,"type":78},127,"ESTIMATED","INTERVENTIONAL",[81],"NA","The purpose of this research study is to learn how to identify the most effective ways to provide weekly feedback on participants' progress toward intervention goals during a weight loss program.",[84,85],"Obesity & Overweight","Obesity (Disorder)",[87,88,89,90,91,92,93,94,95,96,97,98],"weight loss","self-monitoring","smartphone app","lifestyle intervention","digital health","physical activity","dietary change","e-scale","wearables","activity monitor","behavior change","self-monitor activity","2026-03-30",{"date":101,"type":102},"2026-03-31","ACTUAL",{"date":104,"type":102},"2026-03-23",{"date":106,"type":78},"2027-06",{"name":5,"class":6},1]