Longitudinal associations between serum orexin A levels and physical activity, sleep, and clinical indicators in patients with schizophrenia: an exploratory study

Longitudinal associations between serum orexin A levels and physical activity, sleep, and clinical indicators in patients with schizophrenia: an exploratory study - Longitudinal associations between serum orexin A levels and physical activity, sleep, and clinical indicators in patients with schizophrenia: an exploratory study

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000058727

Enrollment

Registered

2025-08-07

Start date

2025-07-25

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

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: 1.Diagnosis of schizophrenia according to DSM-5 criteria 2.Continuous hospitalization for more than one year at Kurita Hospital 3.Age under 65 years at the time of the study

Exclusion criteria

Exclusion criteria: 1.Participants whose actigraph wearing rate was less than 80% 2.Deemed unsuitable for participation by the attending psychiatrist or principal investigator

Design outcomes

Primary

Measure	Time frame
Relationship between changes in serum orexin A concentration and changes in physical activity	—

Secondary

Measure	Time frame
Relationship between changes in serum orexin A concentration and changes in sleep and clinical indices	—

Countries

Japan

Contacts

Public ContactAkira Tanaka

Kurita hospital psychiatry

a-tanaka@kuritahp.or.jp0262261311

Outcome results