[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100610433":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":29,"centralContacts":36,"locations":46,"responsibleParty":62,"collaborators":64,"id":66,"slug":67,"hasResults":68,"nctId":69,"briefTitle":70,"officialTitle":71,"acronym":24,"eligibilityCriteria":72,"healthyVolunteers":73,"sex":74,"minAge":75,"maxAge":76,"enrollmentInfo":77,"targetDuration":24,"studyType":80,"phases":81,"briefSummary":83,"conditions":84,"keywords":24,"overallStatus":88,"whyStopped":24,"lastUpdateSubmitDate":89,"lastUpdatePostDateStruct":90,"startDateStruct":93,"completionDateStruct":95,"leadSponsor":97,"locationsCount":98},{"fullName":5,"class":6},"University of Tennessee","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"UPF Warning Labels","EXPERIMENTAL","UPF warning labels will be placed beneath each social media post. Each label will feature an icon accompanied by explanatory text, using the exact health risk wording proposed in the Childhood Diabetes Reductions Act: \"Warning: consuming ultra-processed foods and drinks can cause weight gain, which increases the risk of obesity and type-2 diabetes\". All text will be left-aligned. The icon will consist of exclamation marks within a yellow triangle. The warning label will be large and highly visible and enclosed within a bold rectangular border.",[13],"Behavioral: UPF Warning Labels",{"label":15,"type":6,"description":16,"interventionNames":17},"No Label (Control)","No label",[18],"Behavioral: No Labels (Control)",[20,25],{"type":21,"name":9,"description":22,"armGroupLabels":23,"otherNames":24},"BEHAVIORAL","Participants will view four Instagram posts featuring UPFs, displayed with warning labels",[9],null,{"type":21,"name":26,"description":27,"armGroupLabels":28,"otherNames":24},"No Labels (Control)","Participants will view four Instagram posts featuring UPFs, displayed without warning labels",[15],[30,33],{"name":31,"affiliation":5,"role":32},"Yuru Huang","PRINCIPAL_INVESTIGATOR",{"name":34,"affiliation":35,"role":32},"Anna Grummon","Stanford University",[37,42],{"name":38,"role":39,"phone":40,"phoneExt":24,"email":41},"Yuru Huang, PhD","CONTACT","901-448-8019","yhuang76@uthsc.edu",{"name":43,"role":39,"phone":44,"phoneExt":24,"email":45},"Anna Grummon, PhD","650-644-7366","agrummon@stanford.edu",[47],{"facility":48,"status":24,"city":49,"state":50,"zip":51,"country":52,"countryCode":53,"cosmosGeoPoint":54,"geoPoint":59,"contacts":60},"UTHSC Department of Preventive Medicine","Memphis","Tennessee","38163","United States","US",{"type":55,"coordinates":56},"Point",[57,58],-90.04898,35.14953,{"lat":58,"lon":57},[61],{"name":38,"role":39,"phone":40,"phoneExt":24,"email":41},{"type":32,"investigatorFullName":31,"investigatorTitle":63,"investigatorAffiliation":5,"oldNameTitle":24,"oldOrganization":24},"Assistant Professor",[65],{"name":35,"class":6},"100610433","effects-of-upf-warning-labels-on-social-media-among-teens-and-young-adults-100610433",false,"NCT07227519","Effects of UPF Warning Labels on Social Media Among Teens and Young Adults","Online Randomized Experiment Evaluating Ultra-Processed Food Warning Labels on Social Media Posts Among Teens and Young Adults","Inclusion Criteria:\n\n* Aged 13-29\n* Reside in the US\n* Can read and speak English\n\nExclusion Criteria:\n\n* Under the age of 13 or over 29\n* Reside outside of the United States\n* Unable to complete a survey in English",true,"ALL","13 Years","29 Years",{"count":78,"type":79},1000,"ESTIMATED","INTERVENTIONAL",[82],"NA","This study aims to evaluate whether Ultra-Processed Food (UPF) warning labels on social media posts improve consumer understanding and influence purchase intentions among teens and young adults. Participants aged 13-29 in the United States will be recruited and randomized into two groups: a control group (no label) and an intervention group (UPF warning). Participants will view social media posts featuring UPFs with or without warning labels and respond to survey questions following each post.",[85,86,87],"Nutrition","Healthy Diet","Food Preferences","NOT_YET_RECRUITING","2025-11-24",{"date":91,"type":92},"2025-12-02","ACTUAL",{"date":94,"type":79},"2025-12-01",{"date":96,"type":79},"2025-12-20",{"name":5,"class":6},1]