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Could outdoor play in kindergarten improve Kids' mental and physical health?

NCT ID NCT07780123

Prevention Sponsor: Ina Olmer Specht Source: ClinicalTrials.gov ↗

What the study statuses mean

This study's is highlighted.

Recruitment status, easiest to join first

Recruiting now This study
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
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 Results may not be published yet.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This status has not been confirmed recently, so it may be out of date.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 Aug 21, 2026 · Last updated Sep 02, 2026 · Updated 2 times

Summary

This trial tests whether a 14-week nature-based program, integrated into kindergarten routines, can enhance mental and physical well-being in children aged 4-6 from deprived areas. It will compare the program to usual activities, measuring outcomes like motor skills, physical activity, sleep, and stress. The study also checks if such a program is feasible and acceptable for children, parents, and educators, with the goal of informing a larger future trial.

What this could mean

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

Active substance
A 14-week nature-based program integrated into kindergarten routines, involving outdoor play and learning activities at least 3 days per week.
What this could lead to
If successful, this could pave the way for a large trial that may show nature-based activities improve children's mental and physical health, potentially informing early childhood education policies.
What could go wrong
This is a small feasibility study, not designed to prove health effects. It may face recruitment or implementation challenges, and results may not generalize beyond the specific setting.

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 127 people

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

Expected to start

Oct 2026

An estimate. Start dates often move.

Expected to finish

Dec 2027

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

4 years and older

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: A kindergarten cluster will be eligible for study participation if the cluster meets the following criteria: 1. The kindergarten should geographically be located within or near by a social housing area or serve children from such an area. 2. At least 11 children in the cluster, each: 1. aged 4-7 years due to the primary outcome cutoff age, and 2. have a parent who is able to understand and communicate in Danish, and 3. have consented to participate Inclusion criteria of children and parents: A child and parent will be eligible for study participation if they meet the following criteria: 1. the child is aged 4-7 years due to the primary outcome cutoff age, and 2. the parent is able to understand and communicate in Danish, and 3. have consented to participate Inclusion criteria of kindergarten personnel: Kindergarten personnel will be eligible for study participation if they meet the following criteria: 1. if they have \>80% of their working hours in the eligible kindergarten cluster 2. have consented to participate Exclusion Criteria: A kindergarten cluster will not be eligible for the study if the cluster meets any of the following criteria: 1. the kindergarten is currently spending \> two days per week in nature (green outdoor), 2. the kindergarten is already using the ''Green Sprouts'' program, 3. the kindergarten is exclusively for children with special needs All exclusion criteria are at cluster level. There are no individual exclusion criteria.

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Conditions

The condition(s) this trial relates to.

childhood acute lymphoblastic leukemia Precursor Cell Lymphoblastic Leukemia-Lymphoma Psychological Well-Being

As listed by the trial registrant

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

Nature, human Pediatric ALL Well-being, psychological

How to take part

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  1. The places running it

    1 site. The list below names each one and where it is.

  2. The official record

    ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.

    Open the record ↗

  3. A doctor treating you

    A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.

Contacts and locations

Locations

  • Bispebjerg and Frederiksberg Hospital, The Parker Institute

    RECRUITING

    Frederiksberg, 2000, Denmark

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