Clinical trial registry record

Effects of Chronic Sleep Restriction in Young and Older People

A registered study indexed because it matched monitored longevity research terms. Registry status: Unknown. 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 Unknown.
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 April 29, 2009.
Where to verify
Open the primary registry below for eligibility, locations, contacts, and current status.
Registry ID
NCT00506428
Last registry update
April 29, 2009
Status
Unknown
Phase
Phase not reported
Sponsor
National Institute on Aging (NIA)
Enrollment
25
Countries
United States
Match confidence
100%
Source feed
ClinicalTrials.gov
Automated source synopsis

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

Evidence snapshot

What the source actually supports

Evidence stage
Phase not reported
Study design
NON RANDOMIZED · CROSSOVER · NONE
Evidence population
Human clinical study registration
Participants
25
Population
ALL · 18 Years to 70 Years
Duration
2006-12-01 to 2011-06-01
Intervention
chronic sleep restriction
Comparator
Not reported
Outcomes measured
Changes in sleep and waking EEG measures — During 3-week chronic sleep restriction segment of inpatient study; frequent measures of performance, attention, alertness, and memory — During 3-week chronic sleep restriction segment of…; measures of cardiovascular and metabolic function — During 3-week chronic sleep restriction segment of inpatient study
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. Source terminology contains: sleep. Title supplies longevity context: older people. Study type is explicitly identified as INTERVENTIONAL.

Automated source check 100% · update recency 35%. These figures help sort records; they are not medical ratings.