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Home > "T" Clinical Trials Conditions > The Effects of Hormones in Growth Hormone-Treated Girls with Turner Syndrome  The Effects of Hormones in Growth Hormone-Treated Girls with Turner Syndrome
The Effects of Hormones in Growth Hormone-Treated Girls with Turner Syndrome
For Condition: Dwarfism,Turner's Syndrome
Status: Recruiting
Sponsor(s): National Institute of Child Health and Human Development (NICHD) ,
Synopsis: Turners Syndrome is a genetic condition in females that is a result of abnormal chromosomes. Patients with Turner syndrome are typically short, have abnormal physical features, and lack the physical changes normally associated with puberty. In addition, some patients with Turner syndrome have low bone density (osteoporosis) and differences in learning abilities. This study will research the effects of steroid hormones on patients with Turner syndrome. It will look closely at how taking steroid hormones effects the patient's rate of growth as well as the patient's ability to learn. In addition the study will investigate how different hormones (androgen and estrogen) work when given together as a combination. All patients asked to participate in this study will receive growth hormone injections. However, half of the patients will receive an additional sex steroid hormone (oxandrolone) in the form of a pill. The other half of the patients will receive a placebo or "sugar pill". This will allow the researchers to determine if the combination of the hormones produces different results than growth hormone alone. The study will last approximately 2 years. After 2 years of research the patients may qualify for an additional 2 years of treatment. Patients may benefit directly from this research with increased growth and improved ability to learn.
Details: Turner syndrome is associated with short stature, multiple physical stigmata, and absent pubertal development. We propose to: (1) examine the effects of sex steroids (androgen) on multiple variables (growth rate, GH binding protein, IGF-I, and cognitive function), in the setting of supplemental growth hormone administration and (2) to investigate any synergistic or additive effects of the androgen and estrogen combination on the above variables.
Eligibility:
Study Type: Interventional, Treatment, Safety/Efficacy
Minimum Age/Maximum Age: /
Genders: Female
Protocol Entry Criteria: INCLUSION CRITERIA Girls with Turner syndrome will qualify to participate in this study if they meet the following criteria: Karyotype diagnosis compatible with Turner syndrome. No treatment with estrogen, androgen or growth hormone exceeding twelve months, and no treatment with either of these agents in the preceding 3 months. Chronological age of 10.0 to 14.9 years. Bone age less than or equal to 12 years. EXCLUSION CRITERIA Prior treatment with estrogen, androgen, or growth hormone for more than twelve months. Y component in peripheral karyotype.
Total Enrollment: 80
Location and Contact Information:
National Institute of Child Health and Human Development (NICHD) *Recruiting*
Bethesda, Maryland, 20892
United States
Recruiting Patient and Public Liaison Office 1-800-411-1222
Additional Information:
Study ID Numbers: 930054; 93-CH-0054
Study Start Date: December 11, 1992
Record last reviewed: January 7, 2004
Additional information available at: clinicaltrials.gov
Clinicaltrials.gov Reference link: NCT00001343
Other Dwarfism Studies:
1. Growth Hormone Therapy in Osteogenesis Imperfecta
2. Study of Luteinizing Hormone-Releasing Hormone Analog (LHRHa) in Pubertal Patients with Extreme Short Stature
3. Study of Skeletal Disorders and Short Stature
4. Evaluation and Intervention for the Effects of Osteogenesis Imperfecta
5. The Effects of Hormones in Growth Hormone-Treated Girls with Turner Syndrome
Related Studies:
Other Dwarfism Clinical Trials
Other Maryland Clinical Trials
Other Bethesda Clinical Trials
The Effects of Hormones in Growth Hormone-Treated Girls with Turner Syndrome
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