Status:
COMPLETED
Effect of Bright Light on Sex Hormones and Ovulation in Humans
Lead Sponsor:
Russian Academy of Medical Sciences
Conditions:
Anovulation
Eligibility:
FEMALE
19-40 years
Phase:
NA
Brief Summary
The study investigated whether bright artificial light may influence menstrual cycle and ovulation conclusively, and what underlying hormonal changes for this effect are.
Detailed Description
Several studies have shown a shortening of the menstrual cycle following light therapy in women with abnormally long menstrual cycles or with winter depression, which suggests that bright light may in...
Eligibility Criteria
Inclusion
- Age 19-40 years
- Mean menstrual cycle 28-38 days
- Good general health
- Generally normal sleep-wake regimen
- Motivated for free participation
Exclusion
- Low cooperation
- Medications known to interfere with hormone release
- Clinically evident endocrine abnormalities including the signs of
- Hyperandrogenism
- Travel over several time zones during two months prior the study
Key Trial Info
Start Date :
September 1 2003
Trial Type :
INTERVENTIONAL
Allocation :
ACTUAL
End Date :
April 1 2006
Estimated Enrollment :
27 Patients enrolled
Trial Details
Trial ID
NCT00327366
Start Date
September 1 2003
End Date
April 1 2006
Last Update
October 19 2009
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