Forest bathing tested as fatigue fix for cancer survivors

NCT ID NCT06931132

ENROLLING_BY_INVITATION Symptom relief Sponsor: Robert Bosch Gesellschaft für Medizinische Forschung mbH (RBMF) Source: ClinicalTrials.gov ↗

First seen Jun 26, 2026 · Last updated Jun 26, 2026

Summary

This study tests whether nature-based therapies can reduce fatigue and improve sleep, mood, and concentration in cancer survivors. 172 participants will be assigned to real forest bathing, a virtual reality forest experience, guided imagery, or a waitlist. Each session lasts 30 minutes, once a week for 8 weeks.

What this could mean

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

Active substance: forest bathing (real, virtual reality, or guided imagery)
What this could lead to: If it works, this could offer a simple, drug-free way to help cancer survivors feel less tired and improve their quality of life.
What could go wrong: This is a small, early-stage trial with no blinding, so results may be influenced by expectations. The effects may be modest and not apply to all survivors.

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Conditions

The condition(s) this trial relates to.

cancer Fatigue

As listed by the trial registrant

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

CANCER SURVIVORS

Contacts and locations

Locations

Dr med. Marcela Winkler

Stuttgart, Baden-Wurttemberg, 70439, Germany
PD Dr. Claudia Löffler

Würzburg, Bavaria, 97080, Germany

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