Extended Work Schedules, Sleep Loss and Health (NCT00989534) | Clinical Trial Compass
CompletedNot Applicable
Extended Work Schedules, Sleep Loss and Health
United States49 participantsStarted 2003-01
Plain-language summary
This study aims to determine whether abnormal bodily rhythms contribute to elevate the risk of diabetes, independently of the amount of sleep loss.
Who can participate
Age range
21 Years – 39 Years
Sex
ALL
See this in plain English?
AI-rewrites the medical criteria so a patient or caregiver can understand them. Always confirm with the trial site.
Inclusion Criteria:
* normal healthy men and women between the ages of 21 years and 39 years (inclusive) with normal weight (i.e., body mass index under 28 kg/m2 in men, 27 kg/m2 in women)
* normal findings on clinical examination, normal results on routine laboratory tests, normal EKG, normal glucose tolerance test, negative pregnancy test for women
* no personal history of psychiatric or endocrine illness
* no personal history of sleep disorder, usual total sleep time of at least 7 hours
* only female volunteers with normal ovulatory cycles will be included
Exclusion Criteria:
* subjects with irregular life habits (shiftworkers and subjects having traveled across time zones less than one month prior to the beginning of the baseline study)
* subjects taking any medication (including hormonal contraceptive therapy), and smokers are excluded
* subjects with significant sleep apnea (apnea index above 10) or significant arousal-associated periodic leg movements are excluded
Questions worth asking your doctor
Bring these to your next appointment. They're a starting point for a shared conversation — not a sign you qualify or a recommendation to enrol.
1Based on my diagnosis and history, is this trial worth exploring for me — or is there a standard treatment we should try first?
2What does this trial's phase tell us about how much is already known about its safety and benefit?
3What would taking part actually involve for me — visits, tests, time, and travel?
4What are the known and possible risks or side effects I should weigh, and how would they be monitored?
5If this trial isn't the right fit, what other options or trials would you suggest I look into?
Generated to help you prepare — always confirm anything about your own eligibility and care with the study team and your doctor.
Questions for the trial coordinator
The trial coordinator is the person who runs the study day to day. These cover the practical side — logistics, costs, and what taking part would actually mean for your life. The study team confirms whether you meet the criteria; these are questions to ask, not a sign you qualify.
1What does taking part actually involve week to week — how many visits, where, and how long does each one take?
2What costs are covered by the study, and what might I have to pay for myself, including travel, parking, or time off work?
3What happens during screening, and what happens if the study team confirms I don't meet the criteria after those tests?
4Who pays for the scans, blood work, and other tests the trial requires — the study, my insurance, or me?
5How will being in the trial affect my regular care, and will my own doctor stay informed and involved?
6Can I leave the trial at any point if I change my mind, and what would happen to my care if I do?
A starting point for the conversation — always confirm anything about your own eligibility, costs, and care with the study team and your doctor.