Feasibility study of Cognitive Behavioral Therapy for Psychosis in Japan

Feasibility study of Cognitive Behavioral Therapy for Psychosis in Japan - Feasibility study of Cognitive Behavioral Therapy for Psychosis in Japan

Status

Recruiting

Phases

Phase 3

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000019099

Enrollment

Registered

2015-09-25

Start date

2016-03-30

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

Schizophrenia

Interventions

Cognitive Behavioral Therapy for Psychosis

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: A) Patients with schizophrenia according to DSM-5 criteria B) PANSS total score at 60 points or more C) Age : 20-59 years-old D) Out patients E) No hospitalization during the 6 months prior to the trial F) Native Japanese speaker G) Subjects who give full consent in the participation of the study

Exclusion criteria

Exclusion criteria: A) Organic mental disorder B) Alcohol / drug related disorder C) Intellectual Disabilities (DSM-5), Specific Learning Disorder (DSM-5) D) Existing serious suicidal ideation or dangerous behavior

Design outcomes

Primary

Measure	Time frame
Total Score of PANSS (Positive and Negative Syndrome Scale)	—

Secondary

Measure	Time frame
Positive Scale, Negative Scale, and General Psychopathology Scale of PANSS ( Positive and Negative Syndrome Scale) Auditory hallucination scale and delusions scale of PSYRATS (Psychotic Symptom Rating Scales) GAF (The Global Assessment of Functioning) SOFAS (Social and Occupational Functioning Assessment Scale) MINI International Neuropsychiatric Interview PSP(Personal and Social Performance Scale) ODSIS (Overall Depression Severity and Impairment Scale) OASIS (Overall Anxiety Severity and Impairment Scale) WHO-QOL26 CBQp (Cognitive Biases Questionnaire for Psychosis) BCSS (Brief Core Schema Scale) Suicidality and self harm on CAARMS Aggression/Dangerous Behavior on CAARMS	—

Measure

Time frame

Positive Scale, Negative Scale, and General Psychopathology Scale of PANSS ( Positive and Negative Syndrome Scale) Auditory hallucination scale and delusions scale of PSYRATS (Psychotic Symptom Rating Scales) GAF (The Global Assessment of Functioning) SOFAS (Social and Occupational Functioning Assessment Scale) MINI International Neuropsychiatric Interview PSP(Personal and Social Performance Scale) ODSIS (Overall Depression Severity and Impairment Scale) OASIS (Overall Anxiety Severity and Impairment Scale) WHO-QOL26 CBQp (Cognitive Biases Questionnaire for Psychosis) BCSS (Brief Core Schema Scale) Suicidality and self harm on CAARMS Aggression/Dangerous Behavior on CAARMS

—

Countries

Japan

Contacts

Public ContactEmi Sunakawa

Tohoku University Hospital Department of Psychiatry

sunakawa-tuh@umin.ac.jp022-717-7262

Outcome results

None listed

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