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Research on clinical characteristic of delayed sleep-wake phase disorder without delayed melatonin rhythm

Research on clinical characteristic of delayed sleep-wake phase disorder without delayed melatonin rhythm - Research on clinical characteristic of delayed sleep-wake phase disorder without delayed melatonin rhythm

Status
Recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000048059
Enrollment
230
Registered
2022-06-30
Start date
2022-06-07
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

circadian rhythm sleep-wake disorder

Interventions

None listed

Sponsors

Fujita Health University
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: <Subjects> DSWPD or N24SWD patients visiting sleep clinic in Fujita Health University Hospital, department of psychiatry <Healthy person> age-and gendermatched healthy people <Subjects> 1. Patients who have received sufficient explanation and who have given their written consent based on their own free will 2. Patients who are 12 years old o r older and graduated from elementary school at the time of consent 3. Patients diagnosed with DSWP D or N24SWD based on ICSD-3 4.Whether or not there is a comorbidity of mental or physical illness 5.There are no particular restrictions on the current treatment <Healthy person> 1.Those who have received sufficient explanation and who have given their written consent based on their own free will 2.Patients who are 12 years old or older and graduated from elementary school at the time of consent 3.Those without sleep-wake rhythm disturbance 4.Patients do not have sleep disorders or mental illness based on the diagnostic criteria of ICSD-3 or DSM-5

Exclusion criteria

Exclusion criteria: <Subjects> 1.Patients with strong suicidal ideation 2.Other patients who are judged inappropriate by the principal <Healthy person> 1. Patients with any sleep disorde r or mental illness based on ICSD- 3 or DSM-5 diagnostic criteria 2.Patients using psychotropic dru gs such as antipsychotics, antidep ressants and sleeping pills 3. Other patients who are judged inappropriate by the research dire ctor or research director

Design outcomes

Primary

MeasureTime frame
Characteristics of patients without delayed melatonin rhythm

Secondary

MeasureTime frame
Association with comorbidities Association with refractory

Countries

Japan

Contacts

Public ContactMARINA HIROSE

Fujita Health University Department of Psychiatry

mhirose@fujita-hu.ac.jp0562-93-2170

Outcome results

None listed

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