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Illumination in human aging: sleep and mood effects

Status
Active, not recruiting
Phases
Unknown
Study type
Interventional
Source
ISRCTN
Registry ID
ISRCTN55452501
Enrollment
81
Registered
2005-05-11
Start date
2000-04-01
Completion date
Unknown
Last updated
2015-01-13

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Depression and disturbed sleep Mental and Behavioural Disorders Depression

Interventions

One hour bright white light compared to one hour dim red light at three different times of day.

Sponsors

National Institutes of Health (NIH)/National Institute of Aging (NIA) (USA)
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Humans aged 60 - 79 years 2. No history of mania 3. No diagnosis of bipolar disorder

Exclusion criteria

Exclusion criteria: Lifetime history of mania.

Design outcomes

Secondary

MeasureTime frame
No secondary outcome measures—

Primary

MeasureTime frame
1. Mood scales 2. Light recording 3. Wrist actigraphy 4. Assays of urine for aMT6s 5. Assays of saliva for melatonin—

Countries

United States of America

Outcome results

None listed

Source: ISRCTN (via WHO ICTRP) · Data processed: Apr 5, 2026