[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-study-detail:100641826":3},{"organization":4,"armGroups":7,"interventions":25,"overallOfficials":30,"centralContacts":36,"locations":30,"responsibleParty":42,"collaborators":30,"id":44,"slug":30,"hasResults":45,"nctId":46,"briefTitle":47,"officialTitle":47,"acronym":48,"eligibilityCriteria":49,"healthyVolunteers":45,"sex":50,"minAge":51,"maxAge":52,"enrollmentInfo":53,"targetDuration":30,"studyType":56,"phases":57,"briefSummary":59,"conditions":60,"keywords":62,"overallStatus":69,"whyStopped":30,"lastUpdateSubmitDate":70,"lastUpdatePostDateStruct":71,"startDateStruct":74,"completionDateStruct":76,"leadSponsor":78,"locationsCount":30},{"fullName":5,"class":6},"University of Florida","OTHER",[8,14,19],{"label":9,"type":10,"description":11,"interventionNames":12},"LLM alone","EXPERIMENTAL","Participants are recommended to use a publicly available, general-purpose LLM for physical activity promotion over the next 3 months",[13],"Behavioral: LLM alone",{"label":15,"type":10,"description":16,"interventionNames":17},"LLM enhanced","Participants are recommended to use a publicly available, general-purpose LLM for physical activity promotion over the next 3 months and additionally attend an initial session providing guidance on LLM use and weekly text message with suggestions on using the LLM",[18],"Behavioral: LLM enhanced",{"label":20,"type":21,"description":22,"interventionNames":23},"Sleep promotion","ACTIVE_COMPARATOR","Participants are recommended to use publicly available tools to help with sleep (websites with tips for sleep and guided meditation videos) over the next 3 months",[24],"Behavioral: Sleep promotion",[26,31,33],{"type":27,"name":9,"description":28,"armGroupLabels":29,"otherNames":30},"BEHAVIORAL","Participants are recommended to use a publicly available, general-purpose LLM for physical activity promotion",[9],null,{"type":27,"name":15,"description":16,"armGroupLabels":32,"otherNames":30},[15],{"type":27,"name":20,"description":34,"armGroupLabels":35,"otherNames":30},"Participants are recommended to use publicly available tools to help with sleep (websites with tips for sleep and guided meditation videos)",[20],[37],{"name":38,"role":39,"phone":40,"phoneExt":30,"email":41},"Megan A McVay, PhD","CONTACT","(352) 294-1638","megan.mcvay@ufl.edu",{"type":43,"investigatorFullName":30,"investigatorTitle":30,"investigatorAffiliation":30,"oldNameTitle":30,"oldOrganization":30},"SPONSOR","100641826",false,"NCT07654868","CHARGE: Pilot Trial of Self-directed Use of Resources for Physical Activity","CHARGE","Inclusion Criteria:\n\n* Age 18-75\n* Reports a desire to increase physical activity level\n* Not meeting minimum aerobic PA as indicated by L-CAT endorsement indicating level of activity below moderate (moderate defined as \\>= 5x\u002Fweek activity or higher)\n* Reports willingness to use LLMs to help with exercise goals.\n* Access to internet through phone data plan or home Wi-Fi.\n\nExclusion Criteria:\n\n* Conditions warranting more extensive supervision of physical activity, including:\n\n  * Any history of MI or stroke, arrhythmias, or heart failure\n  * Uncontrolled hypertension\n  * Type 1 or 2 diabetes\n  * COPD or asthma\n  * Recent orthopedic surgery or fracture\n  * Advanced Parkinson's\n  * Pregnant or planning to become pregnant in next 9 months\n  * Active cancer undergoing treatment\n  * Recent major surgery (\\\u003C12 weeks)\n  * Use of assistive devices for ambulation\n  * History of eating disorder diagnosis\n* Dementia diagnosis\n* Unable to read on own.\n* Hospitalization for mental health reasons in past year\n* Has used LLM to support physical activity goals in prior 3 months.\n* Currently enrolled in a structured program to promote physical activity or weight loss.","ALL","18 Years","75 Years",{"count":54,"type":55},39,"ESTIMATED","INTERVENTIONAL",[58],"NA","This is a pilot RCT examining physical activity outcomes at 3 months across 3 conditions: use of large language model (LLM) fully self-directed; use of LLM with guidance; and use of online tools to help with sleep.",[61],"Physical Activity",[63,64,65,66,67,68],"exercise","large language model","generative AI","artificial intelligence","physical activity","chatbot","NOT_YET_RECRUITING","2026-06-12",{"date":72,"type":73},"2026-06-17","ACTUAL",{"date":75,"type":55},"2026-06-22",{"date":77,"type":55},"2026-12-15",{"name":5,"class":6}]