A follow-up study of patients at early stage of psychotic disorders

A follow-up study of patients at early stage of psychotic disorders - A follow-up study of patients at early stage of psychotic disorders

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000017438

Enrollment

120

Registered

2015-05-07

Start date

2008-09-10

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

At-Risk Mental State (ARMS)

Interventions

case-by-case naturalistic treatment (mainly psychosocial therapy, antipsychotic drug therapy)

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Those who met one or more of the ultra-high risk (UHR) criteria using the Comprehensive Assessment of ARMS (CAARMS)

Exclusion criteria

Exclusion criteria: 1) history of previous psychotic disorder or manic episodes that fulfilled the diagnostic criteria of bipolar I disorder; 2) serious risk of suicide or violence due to personality disorder; 3) substance abuse or addiction within 1 year of inclusion; 4) known intellectual disability (IQ < 70); and 5) neurological disorders, head injury, or any other significant medical conditions associated with psychiatric symptoms.

Design outcomes

Primary

Measure	Time frame
conversion rate to psychosis based on CAARMS	—

Secondary

Measure	Time frame
demographic features, past treatment history, CAARMS, PANSS, GAF, BDI	—

Countries

Japan

Contacts

Public ContactMasahiro Katsura

Tohoku University Hospital Department of Psychiatry

katsura-thk@umin.ac.jp022-717-7262

Outcome results

None listed

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