[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"trial:NCT07290179":3,"trial-entities:NCT07290179":80,"trial-summary:NCT07290179":84},{"id":4,"nct_id":4,"org_study_id":5,"brief_title":6,"official_title":6,"overall_status":7,"completion_date":8,"status_verified_date":9,"last_update_date":10,"start_date":11,"sponsor_name":12,"lead_sponsor_class":13,"has_dmc":14,"brief_summary":15,"detailed_description":16,"conditions":17,"keywords":19,"study_type":20,"primary_purpose":21,"phases":22,"enrollment_info":23,"interventions":26,"primary_outcomes":30,"secondary_outcomes":39,"sex":40,"minimum_age":41,"maximum_age":42,"healthy_volunteers":43,"eligibility_criteria":44,"std_ages":56,"locations":58,"central_contacts":71,"overall_officials":75,"references":78,"see_also_links":79},"NCT07290179","PBRC 2025-029","Evaluating the Validity and Feasibility of a Smartwatch-based Eating Detection System to Passively and Automatically Detect Eating Events in Child-parent Dyads","RECRUITING","2026-12","2026-06","2026-06-11","2026-06-10","Pennington Biomedical Research Center","OTHER",false,"This study will test the validity and feasibility of an smartwatch-based system to detect eating and drinking events in both laboratory and free-living conditions.","The study will: 1) determine whether the smartwatch-based system accurately detects eating events in child-parent dyads in controlled settings and 2) evaluate the feasibility and practicality of passively detecting eating events in child-parent dyads over 3 days in free-living settings. The study will include two phases. During the laboratory visit, child-parent dyads will wear the smartwatch on their dominant hand and perform activities including eating gestures. These activities will be recorded with a video camera, and the videos will be coded for the ground truth times of eating. In the second phase of the study, child-parent dyads will continue wearing the smartwatch for 3 more days in free-living conditions. In the free-living period, parents will receive personalized Ecological Momentary Assessment (EMA) prompts reminding them to activate the smartwatch.",[18],"Eating Behavior",[],"OBSERVATIONAL",null,[],{"count":24,"type":25},35,"ESTIMATED",[27],{"type":13,"name":28,"description":29},"Smartwatch and EMA-based eating behavior tracking","Participants (child-parent dyads) will wear a smartwatch on their dominant hand during a laboratory session and for three days in free-living conditions. In the lab, dyads will perform eating-related activities (e.g., eating with utensils, eating with hands, drinking) and non-eating activities (e.g., walking, writing, brushing teeth) while being video recorded for ground truth validation. Parents will receive a 20-minute training on using Ecological Momentary Assessment (EMA) prompts to record meal and snack times and will respond to EMA reminders during the free-living period. Adherence will be monitored through smartwatch wear time and EMA response rates.",[31,35],{"measure":32,"description":33,"timeFrame":34},"Accuracy and Performance of Smartwatch-based Eating Detection System in Controlled Conditions","Accuracy and performance of smartwatch-based system for detecting eating and drinking events compared to video-coded ground truth during a controlled laboratory conditions. Metrics include:\n\nPrecision (proportion of correctly detected eating events among all detected events), Recall\u002FSensitivity (proportion of actual eating events detected), Specificity (proportion of non-eating events correctly identified as non-eating) F1-score (harmonic mean of precision and recall), Overall accuracy (proportion of correct classification).","During the controlled laboratory session (Day 1).",{"measure":36,"description":37,"timeFrame":38},"Adherence to Smartwatch Protocol","Proportion of families meeting adherence criteria, defined as both parent and child wearing the smartwatch during eating on at least 2 of 3 days and the parent responding to ≥75% of EMA prompts related to smartwatch charging and app functionality.","During the free-living phase (Days 2-4).",[],"ALL","8 Years","12 Years",true,{"inclusion":45,"exclusion":48,"raw_text":55},[46,47],"Parents or caregivers (18-70 years) who have children aged 8-12 years","Child is willing and able to wear smartwatch during school hours (have not restrictions in the school setting)",[49,50,51,52,53,54],"Any condition or circumstance that could impede study completion","Child does not follow a regular eating pattern","Child eats less than 1 meal and 1 snack in a day","Child is restricted or allergic to the study foods","Refusal or unable to use the smartwatch to collect data for the 3-day period in free - living conditions","Parental refusal or unable to respond Ecological Momentary Assessment prompts","Inclusion Criteria:\n\n* Parents or caregivers (18-70 years) who have children aged 8-12 years\n* Child is willing and able to wear smartwatch during school hours (have not restrictions in the school setting)\n\nExclusion Criteria:\n\n* Any condition or circumstance that could impede study completion\n* Child does not follow a regular eating pattern\n* Child eats less than 1 meal and 1 snack in a day\n* Child is restricted or allergic to the study foods\n* Refusal or unable to use the smartwatch to collect data for the 3-day period in free - living conditions\n* Parental refusal or unable to respond Ecological Momentary Assessment prompts",[57],"CHILD",[59],{"facility":12,"status":7,"city":60,"state":61,"zip":62,"country":63,"contacts":64,"geoPoint":68},"Baton Rouge","Louisiana","70808","United States",[65],{"name":66,"role":67},"Hanim E Diktas, PhD","CONTACT",{"lat":69,"lon":70},30.44332,-91.18747,[72],{"name":66,"role":67,"phone":73,"email":74},"(225) 763-2832","hanim.diktas@pbrc.edu",[76],{"name":66,"affiliation":12,"role":77},"PRINCIPAL_INVESTIGATOR",[],[],{"nct_id":4,"conditions":81,"biomarkers":83},[82],"Ingestive Behavior",[],{"nct_id":4,"found":43,"summary":85,"prompt_version":95},{"design":86,"status":87,"heading":88,"summary":89,"follow_up":90,"word_count":91,"commitments":92,"compensation":93,"drugs_mentioned":94},"This is an observational study involving 35 child-parent pairs. It does not involve different treatment groups or blinding.","completed","Smartwatch System for Eating Detection in Children","This study is testing a new smartwatch system to see how well it can automatically detect when children and parents are eating or drinking. It's an observational study, meaning researchers will watch and record what happens without giving any treatments. They want to see if the smartwatch accurately identifies eating events in a lab setting and if it's practical to use at home for three days. The study is looking for 35 child-parent pairs where the child is between 8 and 12 years old. Success for this study means the smartwatch system is accurate and easy to use. The current recruitment status is unclear.","Participants will be followed during the controlled laboratory session (Day 1) and for three days during the free-living phase (Days 2-4).",104,"You and your child will wear a smartwatch on your dominant hand during a lab session and for three days at home. In the lab, you'll do eating and non-eating activities.","Not stated in the trial record.",[],"v2"]