[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100603980":3},{"organization":4,"armGroups":7,"interventions":20,"overallOfficials":26,"centralContacts":31,"locations":37,"responsibleParty":60,"collaborators":26,"id":64,"slug":65,"hasResults":66,"nctId":67,"briefTitle":68,"officialTitle":69,"acronym":26,"eligibilityCriteria":70,"healthyVolunteers":71,"sex":72,"minAge":73,"maxAge":74,"enrollmentInfo":75,"targetDuration":26,"studyType":78,"phases":79,"briefSummary":81,"conditions":82,"keywords":84,"overallStatus":52,"whyStopped":26,"lastUpdateSubmitDate":89,"lastUpdatePostDateStruct":90,"startDateStruct":93,"completionDateStruct":95,"leadSponsor":97,"locationsCount":98},{"fullName":5,"class":6},"The University of Hong Kong","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Intervention group","EXPERIMENTAL","The treatment package includes both optional and mandatory treatments. The mandatory treatments consist of mHealth text messaging and an online platform hub.",[13],"Behavioral: Online platform hub and mHealth Text Messaging",{"label":15,"type":16,"description":17,"interventionNames":18},"Control Group","ACTIVE_COMPARATOR","The control group will be provided a self-help material like leaflet for alcohol reduction, which involves education on alcohol harm and strategies for alcohol reduction.",[19],"Behavioral: Self-help material",[21,27],{"type":22,"name":23,"description":24,"armGroupLabels":25,"otherNames":26},"BEHAVIORAL","Online platform hub and mHealth Text Messaging","The treatment package includes both optional and mandatory treatments. The mandatory treatments consist of mHealth text messaging and an online platform hub. We have developed a game which educates teenagers about alcohol reduction and promotes awareness of alcohol-related harm. Designed to be both engaging and informative, the game uses real-life scenarios, interactive storytelling, and decision-based gameplay to help young people understand the risks of excessive drinking. Also, participants with Audit Score \\> 7 will receive individualized chat-based instant text messages from WhatsApp for 8 weeks. They will have real-time and one-to-one interaction. The conversation intensity depends on the participants' need.",[9],null,{"type":22,"name":28,"description":29,"armGroupLabels":30,"otherNames":26},"Self-help material","Self-help material like leaflet is a common method used in preventing teenage Drinking.",[15],[32],{"name":33,"role":34,"phone":35,"phoneExt":26,"email":36},"Derek Yee Tak CHEUNG","CONTACT","+852 39176652","derekcheung@hku.hk",[38,51],{"facility":39,"status":40,"city":39,"state":26,"zip":26,"country":39,"countryCode":41,"cosmosGeoPoint":42,"geoPoint":47,"contacts":48},"Hong Kong","NOT_YET_RECRUITING","HK",{"type":43,"coordinates":44},"Point",[45,46],114.17469,22.27832,{"lat":46,"lon":45},[49],{"name":33,"role":34,"phone":50,"phoneExt":26,"email":36},"39176652",{"facility":39,"status":52,"city":39,"state":26,"zip":26,"country":39,"countryCode":41,"cosmosGeoPoint":53,"geoPoint":55,"contacts":56},"RECRUITING",{"type":43,"coordinates":54},[45,46],{"lat":46,"lon":45},[57],{"name":58,"role":34,"phone":59,"phoneExt":26,"email":36},"Derek Yee Tak CHEUNG, phd","+852 3917 6652",{"type":61,"investigatorFullName":62,"investigatorTitle":63,"investigatorAffiliation":5,"oldNameTitle":26,"oldOrganization":26},"PRINCIPAL_INVESTIGATOR","Dr. Derek Yee-Tak Cheung","Assistant Professor","100603980","online-education-hubs-and-chat-based-text-messaging-for-reducing-alcohol-consumption-and-binge-drinking-in-adolescents-a-pilot-randomized-controlled-trial-100603980",false,"NCT07143565","Online Education Hubs and Chat-based Text Messaging for Reducing Alcohol Consumption and Binge Drinking in Adolescents: A Pilot Randomized Controlled Trial","Chat-based Text Messaging and Online Education Hubs for Reducing Alcohol Consumption and Binge Drinking in Adolescents: A Pilot Randomized Controlled Trial","Inclusion Criteria:\n\n1. being a Hong Kong resident aged between 12-18 years;\n2. having consumed alcohol in the past 12-month;\n3. Using WhatsApp in their cell phone.\n\nExclusion Criteria:\n\n1. cannot communicate in Cantonese or read Chinese;\n2. currently using other alcohol control programs.",true,"ALL","12 Years","18 Years",{"count":76,"type":77},100,"ESTIMATED","INTERVENTIONAL",[80],"NA","Online education hubs and Chat-based text messaging for reducing alcohol consumption and binge drinking in adolescents: A pilot randomized controlled trial",[83],"Teen Drinking",[85,86,87,83,88],"Gamification","Information Hub","Randomized Controlled Trial","Binge Drinking","2026-01-01",{"date":91,"type":92},"2026-01-05","ACTUAL",{"date":94,"type":92},"2025-11-28",{"date":96,"type":77},"2026-05-31",{"name":5,"class":6},2]