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School break program aims to get teens moving

NCT ID NCT07451535

Knowledge-focused Sponsor: South China Normal University Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now
This trial is taking on new participants right now.
Not yet recruiting
Registered, but not yet taking participants.
By invitation only
Not open to general applications. Only people the study team invites can take part.
Paused
Paused for now. It may or may not start again.
Ongoing This study
Running, but no longer taking on new participants.
Completed
The trial has finished. Results may not be published yet.
Stopped early
Stopped early, before it reached the end. That can be for many reasons, including safety.
Cancelled
Cancelled before anyone took part.

Expanded access (not trials)

Expanded access
Not a trial. This treatment can be requested outside a study, case by case, for people who qualify.
Expanded access (paused)
Not a trial. The treatment can normally be requested outside a study, but is unavailable right now.
Expanded access (ended)
Not a trial. The treatment could once be requested outside a study, but no longer can.
Approved
The treatment has been approved, so it is available normally rather than through this programme.

When the status isn't known

Details not published
The full record has not been published yet, so there is little to show here.
Status unknown
This status has not been confirmed recently, so it may be out of date.

First seen Jun 24, 2026 · Last updated Jun 27, 2026 · Updated 2 times

Summary

This study tested an 8-week school program to help 1,000 adolescents (ages 10-17) sit less during breaks. The program included leaflets, teacher guidance, and peer reminders. Researchers measured how much students interrupted sitting time and their physical activity levels. The goal is to see if simple school-based changes can reduce sedentary behavior.

What this could mean

Our plain-language read of the trial. This is informational only, not medical advice or a prediction.

Active substance
school-based behavioural program (educational leaflets, teacher guidance, peer reminders, health lectures)
What this could lead to
If it works, this could point toward simple, low-cost ways to help teens be more active during school breaks.
What could go wrong
This is an early-stage study with self-reported outcomes, so results may not be reliable or generalizable. The program is short (8 weeks) and may not lead to lasting changes.

This is an AI summary of the original study and may miss details. Read our disclaimer.

Study facts

What this study's own registry entry says, in plain language.

Phase

Not a phased trial

Phase numbers describe drug development. The registry uses this when they do not apply, as it does for trials of devices, procedures or behaviour changes, and for observational studies.

Participants

About 1,000 people

The number the study aims to enrol. It can still change while the study runs.

Started

Oct 2025

Expected to finish

Jul 2026

An estimate. End dates often move.

Lead sponsor

Other sponsor

The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.

Who can take part

This study's own entry requirements. Only the study team can say for certain whether you qualify.

Ages

10 to 17 years

Sex

Anyone

Healthy volunteers

Accepted

You do not need to have the condition being studied to take part.

Show the full entry requirements

Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.

Inclusion Criteria 1. Students aged 10-17 years 2. Enrolled in participating primary or secondary schools 3. Able to participate in regular school physical activities and daily routines 4. Able to understand and complete study questionnaires 5. Willing to comply with study procedures 6. Written informed consent obtained from parents or legal guardians Exclusion Criteria 1. Diagnosed medical conditions that contraindicate participation in physical activity 2. Physical disabilities, injuries, or health conditions that limit normal participation in school-based activities 3. Participation in other structured physical activity or sedentary behavior intervention programs during the study period 4. Cognitive or language difficulties that preclude understanding of study procedures or completion of questionnaires 5. Inability or unwillingness to comply with study procedures

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Conditions

The condition(s) this trial relates to.

Motor Activity

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Adolescents Physical activity School based intervention Sedentary behaviour

Contacts and locations

Locations

  • Dongping Primary School, Foshan

    Foshan, Guangdong, 528315, China

  • Experimental Secondary School of Guangdong University of Foreign Studies

    Guangzhou, Guangdong, 510420, China

  • Gaotangshi Primary School

    Guangzhou, Guangdong, 510520, China

  • Guangdong University of Education (Panyu Affiliated Junior Secondary School)

    Guangzhou, Guangdong, 511436, China

  • Haikou No.9 Middle School

    Haikou, Hainan, 570102, China

  • Jingshi Liyun Experimental School

    Foshan, Guangdong, 528300, China

  • Lihe Primary School

    Zhuhai, Guangdong, 519085, China

  • Lin Weimin Memorial Primary School

    Zhuhai, Guangdong, 519040, China

  • Overseas Chinese Town Primary School

    Shenzhen, Guangdong, 518053, China

  • Pingyao Middle School - Junior High Division

    Jinzhong, Shanxi, 031100, China

  • Pingyao Middle School - Primary Division

    Jinzhou, Shanxi, China

  • Zhixin Middle School (Pazhou Experimental School)

    Guangzhou, Guangdong, 510006, China

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