Clinical Characteristics of Functional Impairment in Bipolar Disorder and Depression Using the Functional Assessment Short Test (FAST)

Clinical Characteristics of Functional Impairment in Bipolar Disorder and Depression Using the Functional Assessment Short Test (FAST) - Clinical Characteristics of Functional Impairment in Bipolar Disorder and Depression Using the Functional Assessment Short Test (FAST)

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

JPRN

Registry ID

JPRN-UMIN000060615

Enrollment

Registered

2026-03-03

Start date

2026-04-01

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

Bipolar disorder /Depression

Interventions

None listed

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria: Bipolar disorder/Depression Patients who were invited to participate by the principal investigator or study coordinator among those who visited the Department of Neuropsychiatry and Psychosomatic Medicine at Saitama Medical University Hospital and its affiliated research institutions, and patients who voluntarily applied after seeing recruitment posters or similar materials.Patients meeting the diagnostic criteria for bipolar disorder and depression based on the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition: DSM-5-TR, developed by the American Psychiatric Association.Inpatient or outpatient care is not restricted.Diagnosis is made based on clinical diagnostic interviews and the MINI (Mini International Neuropsychiatric Interview).Screening is conducted using clinical interviews and the MINI structured interview.Regardless of whether medication is administered. Healthy people Among those who voluntarily applied after seeing posters, etc., Individuals for whom no neurological or psychiatric disorders are identified through clinical interviews and MINI.

Exclusion criteria

Exclusion criteria: All subjects Individuals with an IQ below 70 and equivalent educational background (e.g., graduation from a special needs school).Individuals with low cognitive functioning (Mini Mental State Examination (MMSE) score < 18). Other cases where the research staff deems the subject unsuitable, such as when mental symptoms are highly unstable (e.g., repeated suicide attempts). Healthy people Individuals diagnosed with a mental disorder.Individuals with a first-degree relative who has a mental disorder.Individuals with a history of continuous oral administration of antipsychotic or antidepressant medications.

Design outcomes

Primary

Measure	Time frame
This study compares individuals with bipolar disorder, depression, and healthy controls using the FAST assessment, focusing primarily on its sub-items. The aim is to clarify the characteristics and differences in functional impairments associated with each disorder.	—

Secondary

Measure	Time frame
Evaluate the severity of functional impairments in bipolar disorder and depression.	—

Countries

Japan

Contacts

Public ContactHisatoshi Arai

Saitama Medical University Hospital Department of Neuropsychiatry and Psychosomatic Medicine

harai@saitama-med.ac.jp0492761214

Outcome results