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An exploratory observational study to investigate patient background factors of Ramelteon responders

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
JPRN
Registry ID
JPRN-UMIN000013271
Enrollment
2200
Registered
2014-03-01
Start date
2014-03-10
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

Insomnia

Interventions

None listed

Sponsors

Takeda Pharmaceutical Company Limited
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1.A patient with a diagnosis of insomnia with difficulty falling asleep who has been started on treatment with oral Ramelteon 8 mg/day 2.A patient who has answered the Insomnia Severity Index (ISI) questionnaire and the health-related QOL scale Short Form-8 (SF-8) in routine clinical settings before the start of Ramelteon therapy 3.A patient who has given consent to the use of clinical information for the study at 20 years of age or older

Exclusion criteria

Exclusion criteria: 1.A patient who has received Ramelteon within 4 weeks before the start of oral ramelteon therapy 2.A patient with dementia 3.A patient with a history of hypersensitivity to Ramelteon 4.A patient with severe hepatic impairment 5.A patient with a history of drug abuse 6.A patient with psychiatric disease in an unstable condition 7.A patient who, in the opinion of the principal investigator or co-investigator, is not appropriate for the study

Design outcomes

Primary

MeasureTime frame
Relationship between the change in insomnia severity measured by the Insomnia Severity Index (ISI) and patient background factors

Secondary

MeasureTime frame
?Relationship between the change in the Physical Component Summary (PCS-8) score or Mental Component Summary (MCS-8) score, which are QOL variables measured by the health-related QOL scale Short Form-8 (SF-8), and patient background factors ?Relationship between the change in insomnia severity measured by the Insomnia Severity Index (ISI) and the change in the QOL variable measured by the health-related QOL scale Short Form-8 (SF-8)

Countries

Japan

Outcome results

None listed

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