NCT01264913TerminatedNot Applicable
Cardiometabolic Risk of ShiftWork: Sleep Loss vs.Circadian Disruption
Conditions
Trial Snapshot
- Phase
- Not Applicable
- Status
- Terminated
- Sponsor
- University of Chicago
- Enrollment
- 64
- Locations
- 1
Study Overview
Brief Summary
The overall goal of the present application is to test the hypothesis that shift workers, who are chronically exposed to circadian misalignment and sleep loss, have a higher cardio-metabolic risk than day workers, and that the accumulated sleep debt and the degree of circadian misalignment both predict their elevated cardio-metabolic risk.
Study Design
- Study Type
- Observational
- Observational Model
- Case Control
- Time Perspective
- Cross Sectional
Eligibility Criteria
- Ages
- 18 Years to 50 Years (Adult)
- Sex
- All
- Accepts Healthy Volunteers
- Yes
Inclusion Criteria
- •Day workers and shift workers at the University of Chicago, University of Chicago Medical Center, or another Chicago area medical center who have maintained their work schedule (at least 30 hours/week) for at least 6 months.
- •Individuals who have been shift workers for less than 10 years; body mass index <40 kg/m2;
- •No major illness
- •No history of psychiatric, endocrine, cardiac or sleep disorders
- •Those with hypertension or dyslipidemia will be included if these conditions are controlled by a stable treatment.
- •Women taking oral contraceptive or hormonal replacement therapy will be included only if they plan to stay on a stable regimen throughout the study.
- •Age must be between 18 and 50 years
Exclusion Criteria
- •Individuals who have worked at the University of Chicago, University of Chicago Medical Center, or another Chicago area medical center in their current position for less than 6 months.
- •Individuals who have been shift workers for more than 10 years
- •BMI>40 kg/m2
- •Individuals with a major illness (e.g. diabetes, sleep disorder)
Investigators
Study Sites (1)
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