Residual effects of low dose of suvorexant, zolpidem and ramelteon in healthy elderly subjects: a randomized double-blind study

Residual effects of low dose of suvorexant, zolpidem and ramelteon in healthy elderly subjects: a randomized double-blind study - Residual effects of low dose of suvorexant, zolpidem and ramelteon in healthy elderly subjects: a randomized double-blind study

Status

Active, not recruiting

Phases

Unknown

Study type

Interventional

Source

JPRN

Registry ID

JPRN-UMIN000047169

Enrollment

Registered

2022-03-15

Start date

2016-08-30

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

suvorexant 10\x{2009}mg, zolpidem 5mg, ramelteon 4mg or placebo a single-blind pharmacokinetic assessment

Eligibility

Sex/Gender

All

Inclusion criteria

Inclusion criteria:

Exclusion criteria

Exclusion criteria: The subject who took hypnotics within the previous year, are addicted to drugs or alcohol, or had a history of repeated falls or a fracture within the past two years.

Design outcomes

Primary

Measure	Time frame
EEG(from 23:00 to 6:00)	—

Secondary

Measure	Time frame
Measures of objective parameters (Timed up and Go test, Functional Reach Test, body sway test, critical flicker fusion test, simple discrimination reaction test and short-term memory test) and subjective ratings were obtained every 2 hour from 4:00 to 16:00.	—

Countries

Japan

Contacts

Public ContactSachiko Uemura

Akita University Graduate School of Medicine Department of Physical Therapy

uemura@hs.akita-u.ac.jp018-884-6529

Outcome results

None listed

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