Hyperandrogenism Clinical Trial
— LHOfficial title:
Assessment of Day-night Secretion of Progesterone and LH Across Pubertal Maturation in Girls With and Without Hyperandrogenemia (JCM023)
Hormones are substances that are made by the body and are sent directly out into the bloodstream to increase or decrease the function of certain organs, glands, or other hormones. Testosterone is a hormone found in the blood of all girls, but some girls have too much testosterone in their blood. Too much testosterone in the blood can possibly lead to a problem called polycystic ovary syndrome (PCOS). People with PCOS have abnormal menstrual periods, excess facial and body hair, and too much testosterone in their blood. On the other hand, some girls with too much testosterone in their blood do not develop PCOS. We do not know why some of these girls develop PCOS and why some do not. The purpose of this research study is to find out whether too much testosterone can cause problems with other hormones that can lead to the development of PCOS. This study may help us understand more about the causes of PCOS.
Status | Recruiting |
Enrollment | 75 |
Est. completion date | February 2025 |
Est. primary completion date | February 2025 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | Female |
Age group | 7 Years to 17 Years |
Eligibility | Inclusion Criteria: - Early and late pubertal girls with normal androgens - Early and late pubertal girls with hyperandrogenemia - All subjects will be girls from pre-puberty (Stage 1 breast development and pubic hair growth but at least 7 years old) to 7 years post menarche. Exclusion Criteria: - Pregnancy - Inability to comprehend what will be done during the study or why it will be done - Hemoglobin <11.5 g/dL for non-African American subjects; Hemoglobin < 11.0 g/dL for African American subjects - Persistently abnormal sodium, potassium, or bicarbonate (i.e., confirmed on repeat) - Persistently elevated creatinine, hepatic transaminases, or alkaline phosphatase (i.e., confirmed on repeat) - Total bilirubin > 1.5 times upper limit of normal (i.e., confirmed on repeat) - Significant history of cardiac or pulmonary dysfunction (e.g., known or suspected congestive heart failure; asthma requiring intermittent systemic corticosteroids; etc.) - Untreated hypo- or hyperthyroidism (reflected by persistently abnormal TSH values) - Total testosterone > 200 ng/dl - Basal (follicular) 17-OHP > 200 ng/ml (in girls without a previous diagnosis of congenital adrenal hyperplasia) - DHEA-S > 800 mcg/dl - Elevation of prolactin > 2 times upper limit of normal - Weight less than 25 kg |
Country | Name | City | State |
---|---|---|---|
United States | Center for Research in Reproduction, University of Virginia | Charlottesville | Virginia |
Lead Sponsor | Collaborator |
---|---|
University of Virginia | Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Difference in mean LH frequency when awake (19:00-23:00 and 07:00-11:00) and when asleep (23:00-07:00) in girls with and without hyperandrogenemia | Time frame for the study will be 18 hours (Sampling begins at 1800 hrs and proceeds through 1200 hours the following day). | ||
Secondary | Daytime (awake) and nighttime (sleep) differences in hormones (LH, FSH, T, E2, P, and cortisol) in girls with and without hyperandrogenemia | Time frame for the study will be 18 hours (Sampling begins at 1800 hrs and proceeds through 1200 hours the following day). |
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