Effectiveness of video-conference based Cognitive Behavioral Therapy for schizophrenia :Pilot Randomized Controlled Trial

Effectiveness of video-conference based Cognitive Behavioral Therapy for schizophrenia :Pilot Randomized Controlled Trial - Effectiveness of video-conference based Cognitive Behavioral Therapy for schizophrenia

Status

Active, not recruiting

Phases

Phase 2

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000043396

Enrollment

Registered

2021-03-01

Start date

2021-04-15

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

Video-conference based cognitive behavioral therapy for psychosis(7weeks) Treatment as usual(7weeks)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: (1) Patients who meet the diagnostic criteria for schizoaffective disorder, or delusional disorder in DSM-5 (2) About Positive and Negative Symptom Scale (PANSS), those who have 3 or more points out of 7 points for any one of the 7 items of Positive Symptom (3) Patients who are recognized as having the ability to consent to this study in MacCAT-CR (The MacArthur Competence Assessment Tool for Clinical Research) (4) Patients who have taken antipsychotic drugs constantly for 3 months or more and are not planning to change their drugs for the next 3 months (5) Patients who have the ability and environment to use the Internet and computers to receive video-conference based cognitive behavioral therapy for psychosis (vCBTp)

Exclusion criteria

Exclusion criteria: (1) Patients with serious addiction and substance addiction such as alcohol or drug addiction (2) Patients with mental retardation, those with neurocognitive impairment (dementia) (3) Patients who are at risk of imminent suicide and are expected to discontinue cognitive behavioral therapy (4)Patients who are predicted to be at risk of self-harm or other harmful behavior due to worsening symptoms (5)Patients who are in the hospital

Design outcomes

Primary

Measure	Time frame
Positive and Negative Syndrome Scale (PANSS) Pre vCBTp Post vCBTp	—

Secondary

Measure	Time frame
Japanese version of The Beck Cognitive Insight Scale (BCIS-J) Impact of Event scale-Revised (IES-R) Euro Qol 5 Dimension 5 level (EQ-5D-5L) Patient Health Questionnaire-9 (PHQ-9) Generalized Anxiety Disorder-7 (GAD-7) Pre vCBTp Post vCBTp	—

Countries

Japan

Contacts

Public ContactMasayuki Katsushima

Graduate School of Medicine Chiba University Department of Cognitive Behavioral Physiology

axaa4738@chiba-u.jp043-226-2027

Outcome results

None listed

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