Study on the Effectiveness of a School-Based Fat Loss Program for Adolescents

NCT ID: NCT06524908

Last Updated: 2025-07-10

Basic Information

• Recruitment Status: COMPLETED
• Clinical Phase: NA
• Total Enrollment: 100 participants
• Study Classification: INTERVENTIONAL
• Study Start Date: 2022-09-10
• Study Completion Date: 2023-02-01

Brief Summary

The students were divided into an intervention group and a control group. The intervention group attended fat loss exercise classes three times a week and the parents cooperated with us in dietary monitoring and control. Before and after the intervention, questionnaires were completed, physical fitness and body composition were measured, and physical activity measurement bracelets were worn for 4 days. In this study, it is possible to know the mental health state, physical activity habits, body composition and physical fitness of adolescents.

Conditions

Prevention

Study Design

• Allocation Method: RANDOMIZED
• Intervention Model: PARALLEL
• Primary Study Purpose: PREVENTION
• Blinding Strategy: NONE

Study Groups

Exercise and dietary calorie restriction intervention group

Received a twelve-week comprehensive intervention. The number of participants is 50.

Group Type: EXPERIMENTAL

Exercise and dietary calorie restriction

Intervention Type: BEHAVIORAL

The intervention group received an exercise intervention three times a week (resistance exercise from 4:30-5:00 p.m. and aerobic exercise from 5:00-5:30 p.m.), and a caloric restriction intervention (guided semi-libre diet with caloric intake restricted to 75% of overall consumption, with parents keeping track of calories and food groups and receiving regular check-ups)

control group

Normal school life without any intervention. The number of participants is 50.

Group Type: NO_INTERVENTION

No interventions assigned to this group

Interventions

Exercise and dietary calorie restriction

The intervention group received an exercise intervention three times a week (resistance exercise from 4:30-5:00 p.m. and aerobic exercise from 5:00-5:30 p.m.), and a caloric restriction intervention (guided semi-libre diet with caloric intake restricted to 75% of overall consumption, with parents keeping track of calories and food groups and receiving regular check-ups)

Intervention Type: BEHAVIORAL

Eligibility Criteria

Inclusion Criteria

• Passed PAR-Q questionnaire screening
• No professional sports experience
• Able to understand the test
• Voluntarily participate in the entire testing process

Exclusion Criteria

• Serious organic pathology of the heart, brain, lungs, kidneys, and locomotor system
• Taking medication for a chronic condition
• Have history of psychiatric disorders
• Inability to complete follow-up visits or poor adherence.

• Minimum Eligible Age: 13 Years
• Maximum Eligible Age: 15 Years
• Eligible Sex: ALL
• Accepts Healthy Volunteers: Yes

Sponsors

Aiyoudong Children and Youth Sports Health Research Institute

OTHER

Sponsor Role: lead

Responsible Party

Responsibility Role: SPONSOR

Locations

Aiyoudong Children and Youth Sports Health Research Institute

Weifang, Shandong, China

Countries

China

References

Zhang X, Pan X, Liu B, Gao Y, Jiang L, Chen X, Zhao D, Wang Y, Hu H, Zhao X, Lu J, Suzuki K, Zhang Y. Causal insights into the school-family-research integrated health promotion program for overweight and obesity: the independent role of moderate-to-vigorous physical activity in body fat reduction, undermined by psychological factors. Front Nutr. 2025 Jul 29;12:1577319. doi: 10.3389/fnut.2025.1577319. eCollection 2025.

Reference Type: DERIVED

PMID: 40799526 (View on PubMed)

Provided Documents

Document Type: Study Protocol, Statistical Analysis Plan, and Informed Consent Form

View Document

Other Identifiers

Basic-2334

Identifier Type: -

Identifier Source: org_study_id