Exploring how playing in sand affects atopic dermatitis in children

Biodiversity Interventions for Well-being - the Effect of Biodiversity Exposure on Atopic Dermatitis

NA · Natural Resources Institute Finland · NCT06390696

This study is testing if playing in sand can help young children with eczema feel better by looking at their skin and immune system changes.

Quick facts

PhaseNA
Study typeInterventional
Enrollment80 (estimated)
Ages2 Years to 5 Years
SexAll
SponsorNatural Resources Institute Finland (other gov)
Locations2 sites (Helsinki, Uusimaa and 1 other locations)
Trial IDNCT06390696 on ClinicalTrials.gov

What this trial studies

This study investigates the impact of exposure to microbial diversity through sand play on children with atopic dermatitis. It aims to determine if playing in a sandbox can reduce eczema symptoms and alter immune responses by assessing various health indicators. Approximately 80 children aged 2-5 with atopic dermatitis will be recruited to participate in this interventional study, where they will be divided into groups receiving either a microbial intervention or a placebo. The study will measure changes in eczema severity, immune markers, and microbial communities.

Who should consider this trial

Good fit: Ideal candidates for this study are children aged 2-5 with a confirmed diagnosis of atopic dermatitis and an Eczema Area and Severity Index of 2 or higher.

Not a fit: Patients with mild atopic dermatitis (EASI < 2), immune deficiencies, or other significant health conditions may not benefit from this study.

Why it matters

Potential benefit: If successful, this study could provide a novel, natural approach to managing atopic dermatitis in children.

How similar studies have performed: Previous studies have suggested a link between microbial exposure and reduced atopic dermatitis symptoms, indicating potential success for this approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

* Eczema Area and Severity Index ≥ 2

Exclusion Criteria:

* Eczema Area and Severity Index \< 2
* Immune deficiencies, i.e., antibody deficiency
* Immunosuppressive systematic medications
* A disease affecting immune response (e.g., colitis ulcerosa, rheumatoid arthritis, Crohn's disease, diabetes)
* Cancer diagnosis
* Topical medication for the treatment of atopic dermatitis during the trial
* Disability affecting the immune response (e.g. Down's syndrome)
* Non-participation in the national vaccine program
* Participation in another intervention or follow-up study

Where this trial is running

Helsinki, Uusimaa and 1 other locations

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Atopic Dermatitis, Nature, Human, Microbial Colonization, Immune System and Related Disorders, Atopy, Biodiversity, Commensal microbiota, Microbial exposure

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.