NCT06258941

Brief Summary

The goal of this randomized controlled trial is to learn about the effect of a 12-week school-based intervention combining mindfulness with high-intensity interval training (MF-HIIT), MF-only intervention, and HIIT-only intervention in relative to sedentary activities on executive function (EF) in 8-12 years old children. The main question it aims to answer is whether a 12-week school-based MF-HIIT intervention has larger beneficial effect on EF performance than that following a 12-week school-based MF-only and HIIT-only in relative to the sedentary activities. Multiple cohorts of participants will be recruited to participate this one-semester study, including the pretest, intervention, and posttest phases. During the pretest phase, participants an their parents will complete the following

  1. 1.Kaufman Brief Intelligence Test (KBIT) to assess intelligence quotient
  2. 2.Fitnessgram test to assess aerobic capacity, muscle endurance, flexibility, and body mass index
  3. 3.Child and Adolescent Mindfulness Measure (CAMM) questionnaire to assess dispositional mindfulness
  4. 4.Computerized tasks to assess EF
  5. 5.Parent-reported demographic and health information

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
352

participants targeted

Target at P75+ for phase_1 healthy-volunteers

Timeline
1mo left

Started Feb 2025

Longer than P75 for phase_1 healthy-volunteers

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress98%
Feb 2025May 2026

First Submitted

Initial submission to the registry

February 6, 2024

Completed
8 days until next milestone

First Posted

Study publicly available on registry

February 14, 2024

Completed
1 year until next milestone

Study Start

First participant enrolled

February 14, 2025

Completed
1.3 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 31, 2026

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

May 31, 2026

Last Updated

April 23, 2025

Status Verified

April 1, 2025

Enrollment Period

1.3 years

First QC Date

February 6, 2024

Last Update Submit

April 17, 2025

Conditions

Keywords

Executive functionMindfulnessInterval exerciseChildrenFitness

Outcome Measures

Primary Outcomes (6)

  • Inhibition speed

    Inhibition speed will be assessed by the response time (ms) during a child-friendly flanker task.

    At the baseline (1-2 weeks) before intervention starts and after (1-2 weeks) the intervention ends

  • Inhibition accuracy

    Inhibition accuracy will be assessed by the response accuracy (percent) during a child-friendly flanker task.

    At the baseline (1-2 weeks) before intervention starts and after (1-2 weeks) the intervention ends

  • Updating speed

    Updating speed will be assessed by the response time (ms) during a child-friendly n-back task.

    At the baseline (1-2 weeks) before intervention starts and after (1-2 weeks) the intervention ends

  • Updating accuracy

    Updating accuracy will be assessed by the response accuracy (percent) during a child-friendly n-back task.

    At the baseline (1-2 weeks) before intervention starts and after (1-2 weeks) the intervention ends

  • Shifting speed

    Shifting speed will be assessed by the response time (ms) during a child-friendly switching task.

    At the baseline (1-2 weeks) before intervention starts and after (1-2 weeks) the intervention ends

  • Shifting accuracy

    Shifting accuracy will be assessed by the response accuracy (percent) during a child-friendly switching task.

    At the baseline (1-2 weeks) before intervention starts and after (1-2 weeks) the intervention ends

Secondary Outcomes (6)

  • Aerobic capacity

    At the baseline (1-2 weeks) before intervention starts and after (1-2 weeks) the intervention ends

  • Upper body muscle endurance

    At the baseline (1-2 weeks) before intervention starts and after (1-2 weeks) the intervention ends

  • Core body muscle endurance

    At the baseline (1-2 weeks) before intervention starts and after (1-2 weeks) the intervention ends

  • Flexibility

    At the baseline (1-2 weeks) before intervention starts and after (1-2 weeks) the intervention ends

  • Body composition

    At the baseline (1-2 weeks) before intervention starts and after (1-2 weeks) the intervention ends

  • +1 more secondary outcomes

Study Arms (4)

12-Week Mindful High-Intensity Interval Training (MF-HIIT)

EXPERIMENTAL
Behavioral: MF-HIIT

12-Week High-Intensity Interval Training (HIIT-only)

ACTIVE COMPARATOR
Behavioral: HIIT-only

12-Week Mindfulness (MF-only)

ACTIVE COMPARATOR
Behavioral: MF-only

12-Week Sedentary Activities

PLACEBO COMPARATOR
Behavioral: Sedentary activity

Interventions

MF-HIITBEHAVIORAL

Two 10-min MF-HIIT sessions every school day during the 12-week intervention period. One session in the morning and one session in the afternoon.

12-Week Mindful High-Intensity Interval Training (MF-HIIT)
HIIT-onlyBEHAVIORAL

Two 10-min HIIT-only sessions every school day during the 12-week intervention period. One session in the morning and one session in the afternoon.

12-Week High-Intensity Interval Training (HIIT-only)
MF-onlyBEHAVIORAL

Two 10-min MF-only sessions every school day during the 12-week intervention period. One session in the morning and one session in the afternoon.

12-Week Mindfulness (MF-only)

Two 10-min sedentary sessions every school day during the 12-week intervention period. One session in the morning and one session in the afternoon.

12-Week Sedentary Activities

Eligibility Criteria

Age8 Years - 12 Years
Sexall
Healthy VolunteersYes
Age GroupsChild (0-17)

You may qualify if:

  • Age between 8-12 years old
  • Intelligence Quotient ≥ 70
  • Capable of performing exercise based on pre-participation health screening
  • No formal diagnosis of neurological diseases (e.g., epilepsy)

You may not qualify if:

  • Age outside of the range of 8-12 years old
  • Intelligence Quotient \< 70
  • No capable of performing exercise based on pre-participation health screening
  • Has formal diagnosis of neurological diseases (e.g., epilepsy)

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Pioneer Elementary School

Royal Center, Indiana, 46978, United States

RECRUITING

Central Study Contacts

Shih-Chun (Alvin) Kao, PhD

CONTACT

Study Design

Study Type
interventional
Phase
phase 1
Allocation
RANDOMIZED
Masking
SINGLE
Who Masked
OUTCOMES ASSESSOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Assistant Professor

Study Record Dates

First Submitted

February 6, 2024

First Posted

February 14, 2024

Study Start

February 14, 2025

Primary Completion (Estimated)

May 31, 2026

Study Completion (Estimated)

May 31, 2026

Last Updated

April 23, 2025

Record last verified: 2025-04

Locations