[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100585336":3},{"organization":4,"armGroups":7,"interventions":18,"overallOfficials":24,"centralContacts":28,"locations":37,"responsibleParty":49,"collaborators":23,"id":52,"slug":23,"hasResults":53,"nctId":54,"briefTitle":55,"officialTitle":56,"acronym":23,"eligibilityCriteria":57,"healthyVolunteers":58,"sex":59,"minAge":60,"maxAge":23,"enrollmentInfo":61,"targetDuration":23,"studyType":64,"phases":65,"briefSummary":67,"conditions":68,"keywords":70,"overallStatus":39,"whyStopped":23,"lastUpdateSubmitDate":72,"lastUpdatePostDateStruct":73,"startDateStruct":76,"completionDateStruct":78,"leadSponsor":80,"locationsCount":81},{"fullName":5,"class":6},"The Hong Kong Polytechnic University","OTHER",[8,14],{"label":9,"type":10,"description":11,"interventionNames":12},"Chatbot-based intervention","EXPERIMENTAL","Participants will immediately receive access to a 2-month chatbot-based intervention",[13],"Other: A chatbot-based intervention",{"label":15,"type":6,"description":16,"interventionNames":17},"Waitlist","Participants will be placed on a waiting list before accessing the intervention",[13],[19],{"type":6,"name":20,"description":21,"armGroupLabels":22,"otherNames":23},"A chatbot-based intervention","A smartphone-delivered AI-based chatbot program designed to provide personalized physical activity and dietary recommendations",[9,15],null,[25],{"name":26,"affiliation":5,"role":27},"Arkers Wong, PhD","PRINCIPAL_INVESTIGATOR",[29,33],{"name":26,"role":30,"phone":31,"phoneExt":23,"email":32},"CONTACT","+85234003805","arkers.wong@polyu.edu.hk",{"name":34,"role":30,"phone":35,"phoneExt":23,"email":36},"Qian Zhang, MSc","+85264321063","melissa440.zhang@connect.polyu.hk",[38],{"facility":5,"status":39,"city":40,"state":23,"zip":23,"country":40,"cosmosGeoPoint":41,"geoPoint":46,"contacts":47},"RECRUITING","Hong Kong",{"type":42,"coordinates":43},"Point",[44,45],114.17469,22.27832,{"lat":45,"lon":44},[48],{"name":26,"role":30,"phone":31,"phoneExt":23,"email":32},{"type":27,"investigatorFullName":50,"investigatorTitle":51,"investigatorAffiliation":5,"oldNameTitle":23,"oldOrganization":23},"Arkers, Wong","Associate Professor in the School of Nursing","100585336",false,"NCT06901037","A Pilot Randomized Controlled Trial of Chatbot Use in Older Adults for Lifestyle Change","The Acceptability and Preliminary Effectiveness of Using A Smartphone-delivered AI-Based Chatbot in Older Adults for Lifestyle Modification: A Pilot Randomized Controlled Trial","Inclusion Criteria:\n\n* aged 65 or above.\n* are community-dwelling.\n* are proficient in Mandarin.\n* have an Internet connection.\n* have at least one instant messaging app on the smartphone or agree to download one.\n\nExclusion Criteria:\n\n* have any neurocognitive disorders.\n* are unable to engage in moderate-intensity level of physical activity due to a preexisting medical condition.\n* live with another participant who will participate in this study.",true,"ALL","65 Years",{"count":62,"type":63},84,"ESTIMATED","INTERVENTIONAL",[66],"NA","The purpose of this study is to evaluate the acceptability and preliminary effectiveness of a smartphone-delivered AI-based chatbot in promoting healthy dietary behavior and physical activity participation among older adults.",[69],"Healthy Lifestyle",[71],"Chatbot, older adults","2025-09-08",{"date":74,"type":75},"2025-09-15","ACTUAL",{"date":77,"type":75},"2025-05-01",{"date":79,"type":63},"2025-12-31",{"name":5,"class":6},1]