Status:
COMPLETED
Effects of Sex Hormones on Circadian Rhythm in Men and Women
Lead Sponsor:
National Institute of Mental Health (NIMH)
Conditions:
Bipolar Disorder
Circadian Rhythm
Eligibility:
FEMALE
Brief Summary
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, prog...
Detailed Description
It is hypothesized that gonadal steroids modulate circadian rhythms and the sleep-wake cycle in humans, as they do in animals. This hypothesis will be tested by performing chronobiologic evaluations o...
Eligibility Criteria
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.
Key Trial Info
Start Date :
August 1 1991
Trial Type :
OBSERVATIONAL
End Date :
June 1 2000
Estimated Enrollment :
73 Patients enrolled
Trial Details
Trial ID
NCT00001285
Start Date
August 1 1991
End Date
June 1 2000
Last Update
March 4 2008
Active Locations (1)
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1
National Institute of Mental Health (NIMH)
Bethesda, Maryland, United States, 20892