A preliminary Study on effect of environment on the effectiveness of psychotherapy

A preliminary Study on effect of environment on the effectiveness of psychotherapy - A preliminary Study on effect of environment on the effectiveness of psychotherapy

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000045030

Enrollment

Registered

2021-08-10

Start date

2021-08-10

Completion date

Unknown

Last updated

2026-06-29

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Major depressive disorder

Interventions

Therapeutic environment(woodification) Therapeutic environment(usual)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1) Patients who can understand the consent document and can make their own decisions. 2) Patients who meet the diagnostic criteria for mood disorders in the Diagnostic and Statistical Manual of Mental Disorders (DSM-5). 3) Patients who are between 20 and 80 years of age at the time of participation in the study.

Exclusion criteria

Exclusion criteria: 1) Patients with a history of psychotic episode, obsessive-compulsive disorder, post-traumatic stress disorder (PTSD), or eating disorder 2) Patients with drug or alcohol dependence 3) Patients with impaired judgment due to psychiatric symptoms 4) Patients who do not like the forest environment or are allergic to it.

Design outcomes

Primary

Measure	Time frame
Difference in change in depressive symptoms between groups with and without forest environment (HAM-D)	—

Countries

Japan

Contacts

Public ContactFumitoshi Kodaka

The Jikei University Schoolo of Medicine Department of Psychiatry

kodaka@jikei.ac.jp03-3433-1111

Outcome results

None listed

Source: JPRN (via WHO ICTRP) · Data processed: Jul 3, 2026