Fangshan Active Nutrition Initiative
ConditionChildhood Weight Management
Trial statusNot yet recruiting
Trial phaseNot applicable
Trial typeInterventional
Biological sexAll
Age8-9
SponsorPeking University
About this trial
The goal of this study is to evaluate the effectiveness of a school-based weight management intervention delivered through a digital platform (WeChat) in preventing excessive weight gain and improving health behaviors in school-aged children in Fangshan District, Beijing. The main questions it aims to answer are:
Does the intervention group show a significantly lower mean increase in BMI, body fat percentage, and waist circumference compared to the control group? Does the intervention group show a significantly lower obesity rate and new obesity incidence compared to the control group? Does the intervention group show significant improvements in healthy eating, sedentary behavior, sleep, physical activity, and physical fitness test scores compared to the control group? Researchers will compare children in intervention schools (who receive the multi-level intervention targeting students, families, and schools, supported by a digital platform for behavior monitoring and feedback) to children in control schools (who do not receive the intervention during the study period).
Participants in the intervention group will: (1) attend 10 student health education sessions; (2) have their physical activity at school increased to 60 minutes/day of moderate-to-vigorous activity; (3) have parents attend health education lectures and use a WeChat platform to receive health information, log child health data, and receive automated feedback; (4) have their height, weight, waist circumference, and body composition measured monthly by school health staff; and (5) be followed with assessments at 6, 12, and 24 months.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Schools will be selected based on the consent of primary leadership, demonstrated cooperation, and availability of necessary personnel (e.g., school health professionals).
Classes will be limited to grades 2 and 3, with teachers showing strong willingness to collaborate.
Both parental informed consent and child assent are required for participation.
Disqualifiers
Schools will be excluded if they cater to special populations (e.g., schools for children with disabilities), are involved in other obesity-related interventions within the specified timeframe, or plan to close or relocate within two years.
Children will be excluded if they have histories of major organ diseases (e.g., cardiac, pulmonary, hepatic, or renal conditions), special diets (e.g., vegetarian), pathological eating disorders, physical limitations affecting activity, or obesity due to endocrine disorders or medication side effects.
Trial design
Design model
Parallel
Treatments tested in this trial
Digital Intelligence Platform-based Multi-level Weight Management
BehavioralThis multi-level behavioral intervention integrates digital technology with school-based health promotion to address childhood obesity. Key components include: Digital Hub: A WeChat-embedded platform for real-time behavior monitoring (diet, physical activity, sleep) and automated monthly feedback reports for parents. Structured Curriculum: Ten 40-minute health education sessions for students delivered every 2-3 weeks, complemented by interactive "hand-in-hand" homework assignments. Physical Activity: Daily school-based promotion to ensure ≥60 minutes of MVPA, emphasizing outdoor and resistance exercises. Environmental Policy: Implementation of school-wide restrictions on sugar-sweetened beverages (SSBs) and unhealthy snacks. Parental Engagement: Two dedicated health seminars and regular push notifications of evidence-based health tips via the digital platform. The intervention is distinguished by its multi-sectoral approach (connecting students, parents, and school staff) and it
Treatment groups
1,400 Participants
are divided into 2 treatment groupsGroup A: A multi-level collaborative interventionExperimental treatment 1 intervention
Group B: usual-care controlNo intervention 0 interventions
Trial outcomes
Primary outcomes
1
Children's BMl change
Calculated based on height and weight using WHO standards. The primary outcome is the difference between two arms in the change of children's BMI from baseline to the end of the follow-up
Time frame
at the end of the 12-month interventionSecondary outcomes
1
body fat percent (BFP)
BFP were measured via bioelectrical impedance analysis (Tanita MC 780 MA)
Time frame
at the end of the 12-month intervention; at 24-month follow-up2
Prevalence of Obesity among School-aged Children
The percentage of students classified as obese based on Age- and Sex-specific Body Mass Index (BMI) criteria.
Time frame
at the end of the 12-month intervention; at 24-month follow-up3
Body Mass Index Z-score(BMI-z)
The BMI-z score is calculated based on height and weight using WHO standards
Time frame
at the end of the 12-month intervention; at 24-month follow-up4
Waist Circumference
Waist circumference is measured at the midpoint between the lower margin of the last palpable rib and the top of the iliac crest to evaluate central adiposity
Time frame
at the end of the 12-month intervention; at 24-month follow-upSponsors and contacts
Click on the lead sponsor to view all of their trials.
Peking University
Lead sponsor
Beijing Municipal Education Commission
Collaborator
Source ClinicalTrials.gov
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