Fitness and Sleep in People With Family History of Type 2 Diabetes.
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ClinicalTrials.gov Identifier: NCT00721084 |
Recruitment Status
:
Completed
First Posted
: July 23, 2008
Last Update Posted
: September 5, 2013
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Condition or disease |
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Sleep Physical Fitness Type 2 Diabetes |
Study Type : | Observational |
Actual Enrollment : | 30 participants |
Observational Model: | Case Control |
Time Perspective: | Cross-Sectional |
Official Title: | Sleep, Energy Metabolism and Diabetes Risk |
Study Start Date : | July 2008 |
Actual Primary Completion Date : | March 2012 |
Actual Study Completion Date : | March 2012 |

Group/Cohort |
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Reduced sleep
Habitual sleep duration of less than 6 hours per night on most days of the week and total sleep of less than 43 hours per week.
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Reference sleep
Habitual sleep duration between 7 and 8.5 hours per night on most days of the week and total sleep of at least 53 hours per week.
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- Total energy expenditure [ Time Frame: during a 2-week observation period ]
- Maximal aerobic capacity [ Time Frame: at the end of the observation period ]
- Amount and distribution of body fat [ Time Frame: at the end of the observation period ]
- Physical activity related energy expenditure [ Time Frame: during a 2-week observation period ]

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Ages Eligible for Study: | 21 Years to 40 Years (Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Sampling Method: | Non-Probability Sample |
Inclusion Criteria:
- regular sleep habits
- BMI 20 to 27 kg/m2
- at least one parent, sibling or grandparent with type 2 diabetes
- no regular exercise habits
Exclusion Criteria:
- active smoker
- night or shift work
- have highly variable sleep habits
- have a hormonal disorder
- have a sleep disorder
- have an active medical problem
- for women: use of birth control pills
- for women: irregular menstrual periods or pregnancy
- use of medications/compounds that can disrupt sleep

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT00721084
United States, Illinois | |
The University of Chicago | |
Chicago, Illinois, United States, 60637 |
Principal Investigator: | Plamen D Penev, MD, PhD | University of Chicago |
Publications automatically indexed to this study by ClinicalTrials.gov Identifier (NCT Number):
Responsible Party: | University of Chicago |
ClinicalTrials.gov Identifier: | NCT00721084 History of Changes |
Other Study ID Numbers: |
16079A-S1 R01HL089637 ( U.S. NIH Grant/Contract ) |
First Posted: | July 23, 2008 Key Record Dates |
Last Update Posted: | September 5, 2013 |
Last Verified: | September 2013 |
Keywords provided by University of Chicago:
short sleep duration maximal aerobic capacity body fat |
visceral adiposity activity-related energy expenditure energy metabolism |
Additional relevant MeSH terms:
Diabetes Mellitus Diabetes Mellitus, Type 2 Glucose Metabolism Disorders Metabolic Diseases Endocrine System Diseases |