Japanese Chess for patients with schizophrenia as cognitive training.

Japanese Chess for patients with schizophrenia as cognitive training: a before-after study. - Japanese Chess for patients with schizophrenia as cognitive training: a before-after study.

Status

Active, not recruiting

Phases

Phase 1

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000042756

Enrollment

Registered

2020-12-16

Start date

2020-12-16

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 or schizoaffective disorder

Interventions

10 sessions of Japanese Chess as cognitive training

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Diagnosed as schizophrenia or schizoaffective disorder based on DSM5 Inpatient or outpatient Ability to consent in writing

Exclusion criteria

Exclusion criteria: Onset or relapse within 1 month. Mental retardation Substance related disorders Antisocial personality disorder Severe suicidal ideation or self-harm behavior Other severe general medical conditions

Design outcomes

Primary

Measure	Time frame
Improvement of BACS-J (before-after)	—

Secondary

Measure	Time frame
GAF,BPRS	—

Countries

Japan

Contacts

Public ContactAkihiro Koreki

Shimofusa Psychiatric Medical Center Department of Neuropsychiatry

koreki.akihiro.th@mail.hosp.go.jp0432911221

Outcome results

None listed

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