- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03556410
Sleep, Exercise and Insulin Sensitivity
Study Overview
Detailed Description
Experimental Design: Subjects will have preliminary screening tests. Two conditions (with/without exercise) will be completed in a randomized, crossover design. Subjects will wear an activity monitor (actigraph) and sleep monitor (actiwatch) for 14 days. For the first 7 days this is the lead in period for us to get baseline sleep day. For the following 5 days they will be asked to reduce their sleep with a specified bed time (ie. 11 pm - 5 am) followed by 2 days of ad libitum sleep hours, totaling 14 days for each condition. On one condition we will let them do their usual physical active and on the other condition during the shortened sleep they will be asked to exercise for 45 min each day at a moderate intensity (65% VO2max). Meal tests will be assessed after 7 days of normal habits, after 5 days of sleep deprivation, and after 2 days of ad libitum sleep, totaling 6 meal tolerance tests throughout the entirety of the study. Testing will be conducted at the MU Physical Activity and Wellness (MUPAW) center in Gwynn Hall and in McKee Gymnasium. Sleep logs will be done for 3 days prior to the meal test days and food diaries will be done 4 days prior.
Visit 1: Subjects will be provided a verbal explanation of the study and will sign the informed consent if interested. They will then complete questionnaires assessing health history, sleep, and physical activity habits. A DXA scan and anthropometrics will also be recorded. Participants will also perform a maximal peak oxygen consumption test (VO2max) on a treadmill for calculations during exercise regimen, 65% VO2max. A resting blood pressure will be measured three times with a sphygmomanometer. A mask will be securely fitted to the subject's face, covering the nose and mouth, and connected to the Parvo Medics TrueOne 2400 (Parvo Medics, Sandy, UT) metabolic cart via a flexible hose to monitor carbon dioxide expulsion and oxygen consumption. Heart rate will be monitored through a polar heart rate monitor chest strap (Polar Elctro, Kempele, Finland). Subjects will be sent home with a pulse oximeter to sleep with to ensure the subjects do not have sleep apnea.
Visit 2: Subjects will collect physical activity monitor (actigraph) and sleep monitor (actiwatch) along with surveys to fill out each day about dietary consumption, sleep habits and physical activity, lasting for 14 days.
Visit 3-5: Subjects will have their resting energy expenditure (REE) measured and then do a meal test. Subjects will arrive at MUPAW at ~7 am, following at least a 10 hour fast, abstain from caffeine for >10 hours and alcohol for 24 hours prior to arriving.
REE: A ParvoMedics TrueOne2400 metabolic measurement system (Sandy Lake, UT) will be used to measure REE. The REE measurement will occur in the morning after an overnight fast and after ingestion of the meal during testing. During the REE, participants will lay supine in a recliner for 30 min while all expired air is collected in a canopy that will be placed over the participants head and analyzed for O2 and CO2 content. The participants will be able to breath room air normally during the procedure. Expired air will be collected and the O2 and CO2 values in the expired air will be converted to a REE estimate using the ParvoMedics software.
Meal test: An IV catheter will be placed in a forearm vein (usually the antecubital vein). A mixed meal tolerance test will consist of a commercially available shake (16 ounces) that will be consumed within 10 minutes. Blood samples (~5 mL) will be collected over a 3 hour period from the start of the test meal ingestion.
Visit 6: Repeat of Visit 2.
Visit 7-9: Repeat of Visit 3-5. Exercise Sessions will be at McKee Gymnasium which will last 45 minutes for 5 days. A mask will be used to monitor oxygen consumption for 10 minutes at the start of the session to ensure appropriate work load.
Subjects will be reminded not to do any distance driving during their 5 days of shortened sleep.
2. Blinding, including justification for blinding or not blinding the trial. Describe un-blinding procedures.
Participants will be told at the beginning of the condition if they are going to be in the exercise condition or just being monitored for physical activity.
Study Type
Enrollment (Actual)
Phase
- Not Applicable
Contacts and Locations
Study Locations
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-
Missouri
-
Columbia, Missouri, United States, 65211
- University of Missouri
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Overweight and obese men and women
- BMI of 25-35 kg/m2
- normally active (>5000 steps per day)
- normal sleeping habits of 7-9 hours per night
Exclusion Criteria:
- type 2 diabetics
- diagnosed with cardiovascular disease
- hypertensive
- smokers
- pregnant
- taking lipid-lowering medications
- have any recent changes in hormonal birth control
- night shift workers or take regular daytime naps
- on any medications known to impact metabolism, appetite, or sleep
- have any allergies to milk and soy
- sleep apnea or other sleep disorders
- if the 7 days of sleep monitoring prior to sleep restriction period shows inconsistent sleep hours outside of 7-9 hours per night.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Basic Science
- Allocation: Non-Randomized
- Interventional Model: Crossover Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Placebo Comparator: sleep
Subject will undergo 5 days of shortened sleep and then 2 days of ad libitum sleep.
|
Shortened sleep will be requested of all subjects.
During this time normal physical activity will be monitored.
|
Experimental: sleep+exercise
Subject will undergo 5 days of shortened sleep but also have 45 min of moderate exercise/day and then 2 days of ad libitum sleep
|
Shortened sleep will be requested of all subjects.
During this time normal physical activity will be monitored.
Shortened sleep will be requested of all subjects.
During this time normal physical activity will be monitored and 45 min of exercise will be required during the shortened sleep days .
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
glucose tolerance
Time Frame: 3 hour glucose before the shortened sleep, 5 days after the shortened sleep and after 2 days of ad libitum sleep
|
integrated area under the curve
|
3 hour glucose before the shortened sleep, 5 days after the shortened sleep and after 2 days of ad libitum sleep
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
insulin
Time Frame: 3 hour insulin before the shortened sleep, 5 days after the shortened sleep and after 2 days of ad libitum sleep
|
integrated area under the curve
|
3 hour insulin before the shortened sleep, 5 days after the shortened sleep and after 2 days of ad libitum sleep
|
FFA
Time Frame: fasting values at the beginning of the OGTT
|
fasting FFA concentrations
|
fasting values at the beginning of the OGTT
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- Sleep and Exercise
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
IPD Plan Description
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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