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Clinical Trial Details — Status: Completed

Administrative data

NCT number NCT03130803
Other study ID # R01HL132150
Secondary ID
Status Completed
Phase N/A
First received
Last updated
Start date January 19, 2017
Est. completion date February 22, 2019

Study information

Verified date October 2020
Source University of Colorado, Boulder
Contact n/a
Is FDA regulated No
Health authority
Study type Interventional

Clinical Trial Summary

Sleep and wakefulness disorders impact 50 to 70 million Americans and insufficient sleep is epidemic with over 50% of Americans reporting less than 7 hours of sleep per night. Health problems associated with insufficient sleep include inflammation, depression and anxiety, diabetes, stress, drug abuse, poor quality of life, obesity, and fatigue related accidents on the job/while driving. While the contribution of sleep to overall health, well-being, and public safety is recognized, no established clinical biomarkers of sleep deficiency exist. Such biomarkers would have utility as road-side biomarkers of sleepiness (e.g., drowsy driving), monitoring on the job fatigue/fitness for duty (e.g., transportation, military ops health care), monitoring sleep health, as well as for clinical diagnostics and measures of clinical treatment outcomes. Thus, investigators designed a controlled laboratory insufficient sleep protocol utilizing metabolomics to identify biomarkers of insufficient sleep. Investigators propose to identify changes in metabolites that consistently occur during insufficient sleep. As an exploratory outcome investigators will examine associated changes in metabolites and cognitive performance during insufficient sleep.


Description:

Impaired sleep affects millions of people each year representing an important public health issue. This project will utilize metabolomics approaches to identify biomarkers in the blood that respond consistently to insufficient sleep. The overall goal of this project is to use a discovery and targeted approach to identify specific small molecules in plasma as candidate biomarkers of insufficient sleep. Investigators will conduct a controlled in-laboratory insufficient sleep protocol where participants receive 2 days of 5 hour sleep opportunities per night on 2 separate occasions. Plasma will be collected for metabolomics analyses every 2 hours (across 24 hours) during scheduled wakefulness at baseline and during insufficient sleep. Participants will complete the insufficient sleep protocol twice, separated by 23 days of sufficient sleep, to identify which plasma metabolites consistently change during insufficient sleep. Investigators anticipate these findings will be the first step in establishing validated biomarkers of impaired sleep that will advance our understanding, assessment and management of health consequences and symptoms associated with insufficient sleep.


Recruitment information / eligibility

Status Completed
Enrollment 12
Est. completion date February 22, 2019
Est. primary completion date February 22, 2019
Accepts healthy volunteers Accepts Healthy Volunteers
Gender All
Age group 18 Years to 35 Years
Eligibility Inclusion Criteria: - normal Body mass index (18.5-24.9) - normal blood chemistries - habitual sleep duration ~7 - 9.25 hours - live at Denver altitude or higher for at least 3 months Exclusion Criteria: - must not be participating in another research study that could influence safe participation in the current study - any clinically significant medical or surgical condition within last year - clinically significant abnormality during physical examination - any physician determined significant abnormality in vital signs, EKG, or clinical laboratory values - any clinically significant psychiatric condition defined by DSM-V - any clinically significant sleep disorder - use of medications/supplements/drugs within one month of study or need of medications during study - symptoms of active illness - uncorrected visual impairment - working shift-work in year prior to study - travel more than 1 time zone in 3 weeks prior to study - pregnant/nursing - greater than moderate caffeine or alcohol use - positive toxicology screening - current smoker

Study Design


Intervention

Behavioral:
Insufficient Sleep
2 days with 5 hour sleep opportunity per day

Locations

Country Name City State
United States Sleep and Chronobiology Laboratory Boulder Colorado

Sponsors (2)

Lead Sponsor Collaborator
University of Colorado, Boulder University of Colorado, Denver

Country where clinical trial is conducted

United States, 

Outcome

Type Measure Description Time frame Safety issue
Primary Plasma Metabolomics Biomarker Fingerprint Investigators can detect ~4,000 plasma metabolites and will identify which metabolites have consistent, sensitive, and specific responses to insufficient sleep across visits one and two. These metabolites will be identified as candidate biomarkers of insufficient sleep. Plasma will be collected for metabolomics analyses every 2 hours during scheduled wakefulness at baseline and during the final 24 hours of insufficient sleep for both visits one and two
Secondary Psychomotor Vigilance Test The Psychomotor Vigilance Test is a reaction time based test designed to evaluate the ability to sustain attention. Participants will complete the psychomotor vigilance test every 3 hours during scheduled wakefulness across baseline and insufficient sleep for visits one and two
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