[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100646218":3},{"organization":4,"armGroups":7,"interventions":19,"overallOfficials":30,"centralContacts":35,"locations":25,"responsibleParty":41,"collaborators":25,"id":43,"slug":44,"hasResults":45,"nctId":46,"briefTitle":47,"officialTitle":48,"acronym":49,"eligibilityCriteria":50,"healthyVolunteers":45,"sex":51,"minAge":52,"maxAge":53,"enrollmentInfo":54,"targetDuration":25,"studyType":57,"phases":58,"briefSummary":60,"conditions":61,"keywords":25,"overallStatus":63,"whyStopped":25,"lastUpdateSubmitDate":64,"lastUpdatePostDateStruct":65,"startDateStruct":68,"completionDateStruct":70,"leadSponsor":72,"locationsCount":25},{"fullName":5,"class":6},"University Hospital, Strasbourg, France","OTHER",[8,13],{"label":9,"type":6,"description":10,"interventionNames":11},"Control: Standard Practice","Intervention will be compared to standard practice about screen use prevention for adolescents",[12],"Behavioral: Standard practice about screen use prevention for adolescents",{"label":14,"type":15,"description":16,"interventionNames":17},"Experimental: Structured Interview Guide","EXPERIMENTAL","The investigators in the experimental group will be trained in the specific interview framework for the dedicated consultation; they will be required to confirm that they have read and understood how to use it. They will base their dedicated consultation on this interview framework.",[18],"Behavioral: Structured Interview Guide",[20,26],{"type":21,"name":22,"description":23,"armGroupLabels":24,"otherNames":25},"BEHAVIORAL","Structured Interview Guide","a dedicated consultation with a structured interview guide",[14],null,{"type":21,"name":27,"description":28,"armGroupLabels":29,"otherNames":25},"Standard practice about screen use prevention for adolescents","Standard practice",[9],[31],{"name":32,"affiliation":33,"role":34},"Juliette Dr CHAMBE, Dr","HOPITAUX UNIVERSITAIRES DE STRASBOURG","PRINCIPAL_INVESTIGATOR",[36],{"name":37,"role":38,"phone":39,"phoneExt":25,"email":40},"Pargol ZANDYAZDI","CONTACT","+33 3 88 11 54 30","pargol.zandyazdi@chru-strasbourg.fr",{"type":42,"investigatorFullName":25,"investigatorTitle":25,"investigatorAffiliation":25,"oldNameTitle":25,"oldOrganization":25},"SPONSOR","100646218","lachetonphone--impact-of-a-dedicated-consultation-using-a-structured-interview-guide-on-screen-time-among-adolescents-aged-12-to-17-in-primary-care-100646218",false,"NCT07685951","LACHETONPHONE : Impact of a Dedicated Consultation Using a Structured Interview Guide on Screen Time Among Adolescents Aged 12 to 17 in Primary Care","LACHETONPHONE : Impact of a Dedicated Consultation Using a Structured Interview Guide on Screen Time Among Adolescents Aged 12 to 17 in Primary Care: a Multicenter Randomized Study.","LACHETONPHONE","Inclusion Criteria:\n\n* Adolescent aged 12 to 17 years at the time of enrolment (participants aged 17 must not have turned 18 on the day of inclusion).\n* Adolescent owning a smartphone, with usage \\>14 hours\u002Fweek and a score \\>10\u002F21 on the early overexposure screening questionnaire (e-KID).\n* Adolescent and parent(s) or legal guardian(s) able to understand the objectives of the research.\n* Adolescent whose parent(s) or legal guardian(s) have signed an electronic informed consent (e-Consent) prior to any study-related procedures.\n\n(The minor's signature will be sought but is not mandatory. In accordance with Article L1122-2, consent from one parent\u002Flegal guardian is sufficient for inclusion and data analysis; however, consent from both parents will be systematically sought.)\n\n\\- Adolescent affiliated with a health insurance plan (either as the beneficiary or dependent).\n\nExclusion Criteria:\n\n* Adolescent with severe psychiatric disorders (DSM-V diagnosis and\u002For treatment with amphetamines, neuroleptics, or psychotropic drugs).\n* Adolescent currently excluded from participation due to a previous or ongoing study.\n* Adolescent under legal guardianship or conservatorship (tutelle or curatelle).\n* Adolescent female who is pregnant or breastfeeding (self-reported).\n* Adolescent under judicial protection (sauvegarde de justice).\n* Adolescent in an emergency situation, with comprehension difficulties, or cognitive impairment.\n* Adolescent who does not speak or understand French.\n* Adolescent who opposes participation in the study.","ALL","12 Years","17 Years",{"count":55,"type":56},400,"ESTIMATED","INTERVENTIONAL",[59],"NA","Adolescents spend a large amount of time on screens, especially smartphones. Excessive screen use has been linked to health problems such as poor sleep, reduced physical activity, academic difficulties, and mental health issues. Primary care professionals often lack practical tools to help young people address this problem.\n\nThis study aims to evaluate whether a dedicated medical consultation (DC), using a structured interview guide and a screening questionnaire (e-KID), can help adolescents aged 12 to 17 reduce and improve their screen use. When excessive screen exposure is identified, adolescents are offered a personalized consultation with a healthcare professional. Together, they discuss screen habits, health impacts, and set achievable goals to change usage patterns.\n\nThe investigator hypothesizes that adolescents who receive this dedicated consultation by healthcare providers trained with a specific grid will better reduce their smartphone screen time and adopt healthier screen use habits compared to those receiving usual care.",[62],"Screen Time Exposure","NOT_YET_RECRUITING","2026-07-08",{"date":66,"type":67},"2026-07-10","ACTUAL",{"date":69,"type":56},"2026-10-15",{"date":71,"type":56},"2028-08-15",{"name":5,"class":6}]