[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"health-studies-list:{\"overallStatus\":[\"RECRUITING\",\"AVAILABLE\",\"NOT_YET_RECRUITING\"],\"leadSponsorName\":\"Centers for Disease Control and Prevention, China\",\"orderBy\":\"LastUpdateSubmitDate:desc\",\"size\":25,\"offset\":0}":3,"health-study-condition:":80},{"pageToken":4,"total":5,"offset":6,"count":5,"results":7},null,2,0,[8,57],{"id":9,"slug":10,"hasResults":11,"nctId":12,"briefTitle":13,"officialTitle":13,"acronym":4,"eligibilityCriteria":14,"healthyVolunteers":15,"sex":16,"minAge":17,"maxAge":18,"enrollmentInfo":19,"targetDuration":4,"studyType":22,"phases":23,"briefSummary":25,"conditions":26,"keywords":32,"overallStatus":45,"whyStopped":4,"lastUpdateSubmitDate":46,"lastUpdatePostDateStruct":47,"startDateStruct":50,"completionDateStruct":52,"leadSponsor":54,"locationsCount":4},"100642671","study-on-intervention-effect-of-heat-related-health-risk-early-warning-digital-technology-for-school-age-children-100642671",false,"NCT07643571","Study on Intervention Effect of Heat-related Health Risk Early Warning Digital Technology for School-age Children","School inclusion criteria\n\n1. Willing to participate in the study.\n2. Possess adequate facilities and qualified teaching staff.\n3. The school and teachers maintain good cooperation.\n4. Class size is no less than 35 students.\n5. All participating classrooms are equipped with air conditioners.\n\nParticipant inclusion criteria\n\n1. Fourth-grade primary school students aged 9 to 11, of all genders.\n2. Voluntary participation by students and their parents, good compliance, and signed informed consent.\n3. At least one adult family member has an internet-enabled mobile device.\n4. Good general health with no history of severe physical or mental disorders.\n5. Local permanent residents with a residency of no less than 6 months.\n\nParticipant exclusion criteria\n\n1. Participants who are unable or refuse to complete required examinations.\n2. Students receiving psychological or psychiatric treatment that may confound the study results.\n3. Those currently enrolled in other interventional clinical studies that may affect outcome assessment.\n4. Any other conditions deemed ineligible by the research team. Any participant meeting any of the above exclusion criteria will be excluded from the study.",true,"ALL","9 Years","11 Years",{"count":20,"type":21},200,"ESTIMATED","INTERVENTIONAL",[24],"NA","This cluster randomized trial is conducted in Beijing primary schools to evaluate the efficacy of a WeChat mini-program-based high-temperature early warning intervention on the physical and cognitive health of school-age children. Six participating schools are randomly assigned to two parallel groups. The intervention group receives tiered heat alerts and guided self-health monitoring via the mini-program. The control group follows standard daily school and family routines, with no dedicated digital high-temperature early-warning intervention. The primary outcome is children's executive function after a 2.5-month follow-up. A range of secondary indicators related to physical status, mental health and health behaviors are assessed concurrently to quantify the intervention's benefits in mitigating adverse health outcomes caused by high temperatures.",[27,28,29,30,31],"Cardiovascular Diseases","Respiratory Diseases","Mental Health Disorders","Heat Illness","Neurocognitive Impairment",[33,34,35,36,37,38,39,40,41,42,43,44],"Heat stress","heat early warning","digital intervention","WeChat mini-program","school-age children","executive function","Wisconsin Card Sorting Test","cognitive function","cluster randomized controlled trial","children's physical health","heat-related disease","climate change","NOT_YET_RECRUITING","2026-06-09",{"date":48,"type":49},"2026-06-11","ACTUAL",{"date":51,"type":21},"2026-06",{"date":53,"type":21},"2026-09",{"name":55,"class":56},"Centers for Disease Control and Prevention, China","OTHER_GOV",{"id":58,"slug":59,"hasResults":11,"nctId":60,"briefTitle":61,"officialTitle":62,"acronym":4,"eligibilityCriteria":63,"healthyVolunteers":15,"sex":16,"minAge":64,"maxAge":4,"enrollmentInfo":65,"targetDuration":4,"studyType":22,"phases":67,"briefSummary":68,"conditions":69,"keywords":4,"overallStatus":45,"whyStopped":4,"lastUpdateSubmitDate":72,"lastUpdatePostDateStruct":73,"startDateStruct":75,"completionDateStruct":77,"leadSponsor":79,"locationsCount":4},"100605026","nudge-and-motivational-interviewing-interventions-to-improve-influenza-vaccine-uptake-among-healthcare-workers-in-china-100605026","NCT07157163","Nudge and Motivational Interviewing Interventions to Improve Influenza Vaccine Uptake Among Healthcare Workers in China","Effectiveness of Nudge and Motivational Interviewing Interventions to Improve Influenza Vaccination Uptake Among Healthcare Workers in China: a Two-phase Randomized Controlled Trial","Phase 1: Cluster-Randomized Controlled Trial\n\nInclusion Criteria:\n\n* Full-time employees of community hospitals who remain employed throughout the study period.\n* Have not scheduled or received an influenza vaccine between August 2024 and the time of formal enrollment.\n* Agree to participate and provide informed consent.\n\nExclusion Criteria:\n\n* Participants with medical conditions that contraindicate influenza vaccination.\n* Participants who refuse to participate or do not provide informed consent .\n\nPhase 2: Individual Randomized Controlled Trial\n\nInclusion Criteria:\n\n* Healthcare workers from community hospitals who remain unvaccinated after Phase 1, as verified by official records, will be screened.\n* A selected subset of these individuals will be invited to participate in Phase 2.\n\nExclusion Criteria:\n\n\\- Participants who refuse to participate or do not provide informed consent .","18 Years",{"count":66,"type":21},4050,[24],"The goal of this clinical trial is to learn if nudge-based interventions and motivational interviewing work to improve influenza vaccination uptake among healthcare workers in China. A two-phase randomized controlled trial will be conducted in community hospitals across China, targeting healthcare workers as participants.\n\nThe main questions are:\n\nDo nudge-based interventions increase vaccination rates among healthcare workers?\n\nDoes motivational interviewing increase vaccination compliance among those who remain unvaccinated after the phase 1?\n\nIn phase 1, community hospitals will be randomized as units into three arms: standard nudge group, personalized nudge group, and a control group. In phase 2, healthcare workers who remain unvaccinated after phase 1 will be individually randomized to either a motivational interviewing group or a control group.\n\nParticipants will:\n\nBe recruited from community hospitals to participate in the study. In phase 1 (at the early stage of the flu season), community hospitals will be randomly assigned to one of three groups: standardized nudge messages, personalized nudge messages with a chatbot, or no reminders.\n\nIf still unvaccinated in phase 2 (during peak flu season), healthcare workers will be individually assigned to either motivational interviewing group or receive no extra contact.\n\nHave their vaccination status checked at the end of each phase.",[70,71],"Influenza Vaccine","Healthcare Workers","2025-09-05",{"date":74,"type":49},"2025-09-11",{"date":76,"type":21},"2025-09-01",{"date":78,"type":21},"2026-03",{"name":55,"class":56},""]