An examination of the mechanism of cognitive behavioral therapy for depression

An examination of the mechanism of cognitive behavioral therapy for depression - An examination of the mechanism of cognitive behavioral therapy for depression

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000017215

Enrollment

Registered

2015-04-21

Start date

2015-04-22

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

Behavioral activation

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1)Participants who met Diagnostic and statistical manual of mental disorders (DSM) criteria for major depressive episode in DSM (2)Outpatients who were judged by the psychiatrist to be in need of psychological intervention (3)Participants who got informed consent

Exclusion criteria

Exclusion criteria: (1)Participants who can not understand purpose of the study for serious mental state (2)Participants who can not endure investigation for serious physical disease (3)Participants who met Diagnostic and statistical manual of mental disorders (DSM) criteria for bipolar disorder (4)Participants who can not carry out MRI examination

Design outcomes

Primary

Measure	Time frame
Beck Depression Inventory-II	—

Secondary

Measure	Time frame
Behavioral Activation for Depression Scale, Environmental Reward Observation Scale, Euro QolEQ-5-D,Generalized Self-Efficacy Scale, fMRI.	—

Countries

Japan

Contacts

Public ContactKoki Takagaki

Hiroshima university institute of biomedical and health sciences Department of Psychiatry and Neurosciences

koki.takagaki@gmail.com082-257-5208

Outcome results

None listed

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