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Ocular Impact of X Chromosome Karyotype and Sex Hormones in Turner Syndrome
Premature ovarian failure (POF) is known to be associated with an increased risk of ocular surface disease (dry eye), likely due to the reduction of both estrogens and androgens seen in this condition. From preliminary data, we suspect that women with Turners syndrome (45, XO), a genetic abnormality that affects sex hormone levels, are also at increased risk of ocular surface disease. Comparing POF and TS women may allow us to distinguish different mechanisms for ocular surface disease, due to the different etiologies of hormonal (estrogen and androgen) alterations posed by POF and TS.
Premature ovarian failure (POF) is known to be associated with an increased risk of ocular surface disease (dry eye), likely due to the reduction of both estrogens and androgens seen in this condition. From preliminary data, we suspect that women with Turners syndrome (45, XO), a genetic abnormality that affects sex hormone levels, are also at increased risk of ocular surface disease. Comparing POF and TS women may allow us to distinguish different mechanisms for ocular surface disease, due to the different etiologies of hormonal (estrogen and androgen) alterations posed by POF and TS.
Age
18 - No limit years
Sex
FEMALE
Healthy Volunteers
Yes
National Institutes of Health Clinical Center, 9000 Rockville Pike
Bethesda, Maryland, United States
Start Date
May 7, 2007
Completion Date
November 13, 2014
Last Updated
February 14, 2018
72
ACTUAL participants
Lead Sponsor
National Eye Institute (NEI)
Data Source & Attribution
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View ClinicalTrials.gov Terms and ConditionsNCT04463316