View clinical trials related to Turner's Syndrome.
Filter by:The investigators wish to explore the variability of uterine, breast and bone outcome markers as surrogates to assess the adequacy of exogenous oestrogen replacement in individuals with hypogonadism.
The study is performed to collect long-term data on the treatment adherence and patient's acceptability when Zomacton®10 mg is administered with the Zomajet® Vision X device in patients with a growth hormone deficiency or Turner's syndrome.
A study demonstrates the non-inferiority of DA-3002 when compared with Genotropin®.
The purpose of this strictly observational, prospective, longitudinal study is to evaluate with sufficient precision the rate of overall treatment compliance from one year to 3 years of follow-up of the patients. Somatotropin is indicated in the long-term treatment of children with growth retardation related to a deficiency in secretion of growth hormone and in the long-term treatment of growth retardation related to Turner's syndrome confirmed by chromosomal analysis. These are the two indications of Zomacton® 4 mg and 10 mg injection solution. The use of the Zomajet® needle-free device (Zomajet® 2 Vision, reserved for the administration of Zomacton® 4 mg or of the Zomajet® Vision X needle-free device, reserved for the administration of Zomacton® 10 mg), allows the product to be administered by percutaneous transjection (needle-free) and can be used by the child directly or by the family after an initial training. In April 2004, the CEPP (Commission for the Evaluation of Products and Services) requested a follow-up of the cohort of patients using the Zomajet® 2 Vision system measuring the compliance and duration of use of the device. The number of patients initiated on Zomacton treatment using the Zomajet® needle-free device is estimated to 30. Over a period of inclusion of 3 years, we therefore estimate that 90 patients will be treated. In the cohort studied the patients will be followed-up for 1 year at least and for 3 years at the maximum. The rate of treatment compliance will be evaluated according to the ratio of the actual duration of administration over the total duration recommended by the physician during the observation period.
The objective of this study is to evaluate the efficacy and safety of recombinant human growth hormone (r-hGH) treatment in girls with Turner Syndrome under the age of 4 years. After 4 years of treatment, height in these girls will be compared with an historical control group of untreated girls with Turner Syndrome, matched for age and height at baseline.
This is a multicenter, randomized, controlled, semi-blinded study to compare two low doses of estradiol administered by recently available transdermal patches for the initiation of puberty in Turner syndrome girls 11.5-13.0 years old in conjunction with growth hormone (GH) therapy. The specific hypotheses to be tested are: when combined with growth hormone (GH) treatment, low dose transdermal estradiol (LTE2) replacement will be more effective in stimulating feminization, height velocity, and bone mineral density without compromising growth potential than very low dose transdermal estradiol (VLTE2), which will in turn be superior to GH alone in effects on feminization, height velocity, and bone mineral density.
Children with growth failure due to inadequate secretion of growth hormone or growth retardation due to Turner's syndrome are individually dosed and treated for 12 weeks
This study will evaluate the effects of hormone replacement therapy on patients with Turner syndrome (TS)-a genetic disorder in females in which part or all of one X chromosome is missing. Most girls and women with TS have underdeveloped ovaries-the female reproductive organs that produce the female sex hormones estrogen and progesterone, and smaller amounts of the male sex hormone, testosterone. These hormones affect muscle and bone strength, sex drive, energy, and an overall sense of well being. Estrogen may also play a role in memory and mood and have a protective effect against heart disease. Women with TS have a much higher risk of developing osteoporosis (loss of bone density), high blood pressure, high cholesterol and diabetes than women without this disorder. Girls and women with Turner syndrome between the ages of 14 and 50 years may be eligible for this 2-year study. Three months before beginning treatment, all patients will wear an estrogen patch and take a progesterone tablet daily for 10 days each month. They will then be randomly assigned to one of two treatment groups to compare the effects of estrogen alone with estrogen plus testosterone on bone strength, muscle and fat mass and psychosocial well being. Both groups will wear an estrogen patch and take oral progesterone. One group will also wear a testosterone patch while the other group will wear a placebo patch (a patch that does not contain any testosterone). Neither study participants nor the doctors will know who is getting the testosterone until the study is complete. Patients will undergo the following procedures before beginning treatment and at 6, 12 and 24 months after starting treatment: - Physical examination. - DEXA scans (dual energy X-ray absorptiometry) to measure body composition and bone thickness. Low radiation X-rays scan the whole body to measure fat, muscle and bone mineral content.. - Magnetic resonance imaging (MRI) scan of the abdomen to measure the amount of fat around the internal organs. The patient lies on a stretcher in a large tube surrounded by a magnetic field during the scanning. The procedure uses a strong magnet and radio waves to produce the images. - Heel ultrasound to measure bone thickness. The heel is placed in a chamber and sound waves pass through it to produce images. - Oral glucose tolerance test (OGTT) for diabetes and problems with carbohydrate metabolism. The patient drinks a sugary substance. A small amount of blood is drawn before taking the drink and four times afterwards. - Blood and urine tests to measure blood counts, liver and kidney function, ovarian hormones, growth factors, thyroid function, blood lipids, bone strength markers, and to test for pregnancy. - Blood pressure measurements. - Psychological testing for the effect of treatment on mood, self-esteem, quality of life, social shyness, anxiety and sexual function. - Neurocognitive tests (at first inpatient visit and 1 and 2 years after starting treatment) to measure nonverbal memory and visual-perceptual abilities. During the hospital admissions, patients will be given a "metabolic diet" that contains specific amounts of salt and carbohydrates to ensure accurate blood pressure and sugar metabolism measurements. Patients will keep a record of their menstrual periods and physical activity throughout the treatment period.
This study examines the clinical and genetic factors related to Turner syndrome, a disorder of the sex chromosomes. Humans usually have 23 pairs of chromosomes-thin strands of DNA-in the nucleus of every cell, which contain genes that determine our hereditary makeup. One pair of chromosomes is the sex chromosomes, designated X and Y. Females usually have two X chromosomes; however, patients with Turner syndrome have only a single X chromosome or one normal and one defective X or Y chromosome. This abnormality can cause medical problems such as short stature, premature ovarian failure and heart or kidney defects. Individuals with Turner syndrome have an increased risk of thyroid disorders, high blood pressure, diabetes mellitus, abnormal liver function, hearing loss and osteoporosis. This study will try to identify the genes responsible for the specific medical problems associated with the disorder. Females 10 years of age and older with X chromosome defects may be eligible for this 3- to 5- day inpatient study at the National Institutes of Health Clinical Center in Bethesda, Maryland. Participants will have a physical examination, body measurements (height, weight, hip and waist) and blood drawn for clinical and research purposes. Participants will have a comprehensive cardiovascular evaluation, including an electrocardiogram (ECG), 24 hour blood pressure monitoring, magnetic resonance imaging (MRI) of the heart and aorta, ultrasound imaging of the heart (cardiac echo) and expert consultation with the NIH Cardiology Service. Women 35 years of age and older may have a computerized tomography (CT) scan of the coronary arteries to investigate possible blockage of the heart blood supply. Risk for diabetes is investigated by studies of the body fat content and an oral glucose tolerance test. The risk for coronary artery disease is assessed by measurement of cholesterol and other known risk factors in the blood. Thyroid function and presence of antibodies to the thyroid gland are also evaluated by blood tests. Liver function is tested by measurement of products of liver metabolism in the blood and by a liver ultrasound. Ovary function is investigated by blood tests of estrogen and FSH levels and pelvic untrasound which visualizes the uterus. Bone structure and strength are evaluated by routine X-rays of the wrists and spine, and DEXA scan (a type of X-ray study that measures body fat, muscle and bone thickness). Adults will also have bone density of the spine and abdominal fat content measured by CT, which is more accurate than DEXA. Vitamin D levels are measured in blood tests.These are state of the art diagnostic tests which may uncover unsuspected anatomic problems such as abnormalities of the aorta or aortic valve which have serious clinical implications and would indicate the need for close medical follow-up, as well as uncover potential risk for development of diabetes or osteoporosis in the future, which would also indicate the need for changes in lifestyle or medical management. Study participants are invited to return for re-evaluation at 1-3 year intervals. A major goal of follow-up visits is to determine whether there is any enlargement of aortic diameter or impairment of cardiac function over time. Some patients may be asked to undergo a skin biopsy (removal of a small sample of skin tissue) to obtain more information about genetic make-up of cells. Parents of patients may be contacted (with the patient's permission) to provide a blood or saliva sample for genetic study to help understand how and why certain traits of Turner syndrome are expressed.
RATIONALE: Turner's syndrome is a disease in which females are missing all or part of one X chromosome and do not produce the hormones estrogen and androgen. Giving growth hormone may help girls with Turner's syndrome attain a more normal height. It is not yet known if growth hormone is more effective with or without oxandrolone for Turner's syndrome. PURPOSE: Randomized phase II trial to study the effectiveness of oxandrolone in girls who have growth hormone-treated Turner's syndrome.