Nature walks may ease psychosis symptoms, small study hints
NCT ID NCT07436481
First seen Jun 25, 2026 · Last updated Jun 27, 2026 · Updated 1 time
Summary
This study tested whether forest therapy—mindful walking, sun bathing, hugging trees, and meditation—could improve symptoms and reduce inflammation in 80 adults with psychotic disorders. Half received forest therapy plus standard care for 8 weekly sessions; the other half received standard care alone. Researchers measured changes in inflammatory markers (CRP, IL-6, BDNF) and symptom scores (PANSS, mood, anxiety, sleep, quality of life).
What this could mean
Our plain-language read of the trial. This is informational only, not medical advice or a prediction.
- Active substance
- Forest therapy (mindful walking, sun bathing, forest hugging, meditation)
- What this could lead to
- If it works, this could point toward a low-cost, nature-based add-on to standard care for reducing psychotic symptoms and inflammation.
- What could go wrong
- This is a small, early study (80 people) with no blinding, so results may be influenced by placebo effects. The intervention is behavioral, not a drug, so any benefits are likely modest and may not generalize.
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
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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
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80 people
The number who actually took part.
- Started
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Jun 2025
- Finished
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Dec 2025
- Lead sponsor
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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
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18 to 60 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
Show the full entry requirements Hide 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: * Aged 18-60 years old * Diagnosed with psychosis based on medical records at Dr. Kariadi General Hospital, Diponegoro National Hospital, Elisabeth Hospital Semarang and Banyumanik I Hospital Semarang * Minimum education level of junior high school (SMP) * Willing to participate in research Exclusion Criteria: * Consuming alcohol and immunosuppressants 1 month before sampling. Patients diagnosed with autoimmune disorders
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
Locations
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Kendal Forest- PMI Semarang
Semarang, Central Java, 50131, Indonesia
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