Clinical trial registry record

Illumination in human aging: sleep and mood effects

A registered study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.

Plain-language guide

Five questions to ask about this record

What this is
A clinical study registration, not a result or recommendation.
Why it may matter
The registry currently reports Completed.
Evidence
Registered phase not reported study.
Main limitation
Registration does not prove that the intervention works, is safe, or is available to you.
What changed
Registry metadata was last updated February 14, 2008.
Where to verify
Open the primary registry below for eligibility, locations, contacts, and current status.
Registry ID
ISRCTN55452501
Last registry update
February 14, 2008
Status
Completed
Phase
Phase not reported
Sponsor
National Institutes of Health (NIH)/National Institute of Aging (NIA) (USA)
Enrollment
81
Countries
United States of America
Match confidence
100%
Source feed
ISRCTN Registry
Automated source synopsis

A registered study indexed because it matched monitored longevity research terms. Registry status: Completed. Registration does not establish safety or effectiveness.

Evidence snapshot

What the source actually supports

Evidence stage
Phase not reported
Study design
Interventional
Evidence population
Human clinical study registration
Participants
81
Population
All · Senior
Duration
2000-04-01 to 2004-01-31
Intervention
Other
Comparator
Not reported
Outcomes measured
1. Mood scales 2. Light recording 3. Wrist actigraphy 4. Assays of urine for aMT6s 5. Assays of saliva for melatonin; No secondary outcome measures
Reported result
No reusable finding-level result is available in this record.

Main limitationThis is a study registration. No reusable structured result is available here, so it cannot show whether the intervention worked or was safe.

Safety and approvalEligibility, adverse-event details, and clinical decisions must be checked in the official registry and with qualified clinicians. Trial registration is not regulatory approval and does not establish that an intervention is available.

Source supportStructured registry protocol metadata; no finding-level conclusion is generated.

Trial stage · Phase not reportedA trial phase describes development stage; it does not establish a positive result.
Phase 1Phase 2Phase 3Phase 4

Registration and recruitment status do not establish safety, efficacy, or regulatory approval.

Why this record appears here · 100% topic match

The title, summary, or source keywords matched one or more topics followed by immortal.life. A higher percentage means a stronger topic match; it does not rate safety, effectiveness, or study quality.

  • Sleep · 100%Title contains controlled term: sleep. Abstract contains controlled term: sleep, circadian. Source terminology contains: sleep. Title supplies longevity context: aging. Study type is explicitly identified as Interventional.

Automated source check 98% · update recency 35%. These figures help sort records; they are not medical ratings.

sleep
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