- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT00001285
Effects of Sex Hormones on Circadian Rhythm in Men and Women
Chronobiologic Effects of Gonadal Steroid Manipulations in Volunteer Subjects
For many years researchers have been trying to better understand the regulation of sleep and activity by studying circadian (daily) rhythms of human beings. It appears that the hormones estrogen, progesterone, and testosterone play a role in the regulation of circadian rhythm in animals. Researchers believe these hormones may also play a similar role in the regulation of human circadian rhythms. Little research has been conducted on how these hormones affect human circadian rhythms.
This study is designed to learn more about how specific hormones influence men and women's daily rhythms. This study will use women from another research study being conducted at the NIMH called, "The central nervous system effects of pharmacologically induced hypogonadotropic hypogonadism with and without estrogen and progesterone". Male subjects will be recruited from another NIMH study called, "The central nervous system effects of pharmacologically induced hypogonadotropic hypogonadism with and without testosterone replacement".
In order to test the possibility that gonadal steroids (estrogen, progesterone, and testosterone) change circadian rhythms and the sleep-wake cycle in humans, participants will undergo chronobiologic evaluations. The chronobiologic evaluations will look at sleep and rest periods, activity as measured by a wrist monitor, and 24 hour inpatient electroencephalograph (EEG), rectal temperature, and melatonin monitoring.
Study Overview
Status
Conditions
Detailed Description
Study Type
Enrollment
Contacts and Locations
Study Locations
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Maryland
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Bethesda, Maryland, United States, 20892
- National Institute of Mental Health (NIMH)
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
- Child
- Adult
- Older Adult
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Volunteers must be healthy individuals between the ages of 18 and 45 years old.
No pregnant women.
No history of menstrually-related mood or behavioral disturbances.
No volunteers with current or past Axis I diagnoses, significant abnormalities on physical or neurological examination, or significant laboratory abnormalities.
Must be HIV negative.
Study Plan
How is the study designed?
Collaborators and Investigators
Publications and helpful links
General Publications
- Leibenluft E, Schmidt PJ, Turner EH, Danaceau MA, Ashman SB, Wehr TA, Rubinow DR. Effects of leuprolide-induced hypogonadism and testosterone replacement on sleep, melatonin, and prolactin secretion in men. J Clin Endocrinol Metab. 1997 Oct;82(10):3203-7. doi: 10.1210/jcem.82.10.4270.
- Leibenluft E. Do gonadal steroids regulate circadian rhythms in humans? J Affect Disord. 1993 Oct-Nov;29(2-3):175-81. doi: 10.1016/0165-0327(93)90031-e.
- Albers HE. Gonadal hormones organize and modulate the circadian system of the rat. Am J Physiol. 1981 Jul;241(1):R62-6. doi: 10.1152/ajpregu.1981.241.1.R62.
Study record dates
Study Major Dates
Study Start
Study Completion
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Estimate)
Study Record Updates
Last Update Posted (Estimate)
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
- 910206
- 91-M-0206
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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