[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100643904":3},{"organization":4,"armGroups":7,"interventions":14,"overallOfficials":11,"centralContacts":20,"locations":26,"responsibleParty":40,"collaborators":11,"id":44,"slug":11,"hasResults":45,"nctId":46,"briefTitle":47,"officialTitle":47,"acronym":11,"eligibilityCriteria":48,"healthyVolunteers":49,"sex":50,"minAge":51,"maxAge":52,"enrollmentInfo":53,"targetDuration":11,"studyType":56,"phases":57,"briefSummary":59,"conditions":60,"keywords":11,"overallStatus":28,"whyStopped":11,"lastUpdateSubmitDate":63,"lastUpdatePostDateStruct":64,"startDateStruct":67,"completionDateStruct":69,"leadSponsor":71,"locationsCount":72},{"fullName":5,"class":6},"Pusan National University Hospital","OTHER",[8],{"label":9,"type":10,"description":11,"interventionNames":12},"free use for 2weeks + Mobile restriction for 2weeks","EXPERIMENTAL",null,[13],"Device: Mobile phone restrction",[15],{"type":16,"name":17,"description":18,"armGroupLabels":19,"otherNames":11},"DEVICE","Mobile phone restrction","Mobile phone restrction for 2 weeks",[9],[21],{"name":22,"role":23,"phone":24,"phoneExt":11,"email":25},"Kyoungjune Pak, MD, PhD","CONTACT","+82-51-240-7389","ilikechopin@pusan.ac.kr",[27],{"facility":5,"status":28,"city":29,"state":29,"zip":30,"country":31,"countryCode":11,"cosmosGeoPoint":32,"geoPoint":37,"contacts":38},"RECRUITING","Busan","49241","South Korea",{"type":33,"coordinates":34},"Point",[35,36],129.03004,35.10168,{"lat":36,"lon":35},[39],{"name":22,"role":23,"phone":24,"phoneExt":11,"email":25},{"type":41,"investigatorFullName":42,"investigatorTitle":43,"investigatorAffiliation":5,"oldNameTitle":11,"oldOrganization":11},"PRINCIPAL_INVESTIGATOR","Kyoungjune Pak","Associate professor","100643904",false,"NCT07663474","Mobile Restriction on Dopamine Transporter","Inclusion Criteria:\n\n* Healthy subjects with daily use of mobile phone (IPhone)\n* Accessible with \"Screentime\" application\n\nExclusion Criteria:\n\n* Neuropsychiatric disease\n* Subjects who have medications for mental illness\n* Subjects who cannot undergo PET scans\n* Subjects who cannot participate 4 weeks of this study",true,"ALL","19 Years","40 Years",{"count":54,"type":55},30,"ESTIMATED","INTERVENTIONAL",[58],"NA","Restriction of mobile phone use for 2wks and undergo PET scanning for DAT bindinng. Free use of mobile phone use for 2wks and undergo PET scanning for DAT bindinng.",[61,62],"Addiction","SMARTPHONE OWNER","2026-06-22",{"date":65,"type":66},"2026-06-25","ACTUAL",{"date":68,"type":66},"2026-05-01",{"date":70,"type":55},"2030-12-31",{"name":5,"class":6},1]