NCT00601445

Brief Summary

The purpose of this study is to test the hypothesis that sleep homeostasis, also known as sleep pressure or sleep drive, is different in healthy older and younger individuals.

Trial Health

87
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
58

participants targeted

Target at P50-P75 for not_applicable healthy

Timeline
Completed

Started Sep 1999

Longer than P75 for not_applicable healthy

Geographic Reach
1 country

1 active site

Status
completed

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Start

First participant enrolled

September 1, 1999

Completed
4.5 years until next milestone

Study Completion

Last participant's last visit for all outcomes

March 1, 2004

Completed
3.6 years until next milestone

First Submitted

Initial submission to the registry

October 24, 2007

Completed
3 months until next milestone

First Posted

Study publicly available on registry

January 28, 2008

Completed
Last Updated

May 30, 2008

Status Verified

May 1, 2008

First QC Date

October 24, 2007

Last Update Submit

May 28, 2008

Conditions

HealthyAging

Keywords

Changes in sleep with aging

Outcome Measures

Primary Outcomes (1)

  • Total Sleep Time

    During inpatient study

Interventions

Amount of sleep and wakeBEHAVIORAL

4 groups with different patterns of sleep and wake

Eligibility Criteria

Age18 Years - 85 Years
Sexall
Healthy VolunteersYes
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Ages 18-30 and 60-85 years
  • Healthy

You may not qualify if:

  • Any medications
  • Sleep Disorder

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Brigham and Women's Hospital

Boston, Massachusetts, 02115, United States

Location

Study Officials

  • Elizabeth B Klerman, MD, PhD

    Brigham and Women's Hospital

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
BASIC SCIENCE
Intervention Model
PARALLEL
Sponsor Type
NIH

Study Record Dates

First Submitted

October 24, 2007

First Posted

January 28, 2008

Study Start

September 1, 1999

Study Completion

March 1, 2004

Last Updated

May 30, 2008

Record last verified: 2008-05

Locations

US(1)