Clinical trials: Klinefelter Syndrome
Klinefelter Syndrome
Body Composition in Infants With Klinefelter Syndrome and Effects of Testosterone Treatment
This research study in infant males with Klinefelter syndrome (47,XXY) will learn more about body composition (muscle and fat) and male hormones and look at the effect of testosterone shots on body composition.
- Trial name
- NCT02408445
- Testing
- testosterone cypionate 200mg/ml
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- University of Colorado, Denver
Klinefelter Syndrome
Androgen Effect on Klinefelter Syndrome Motor Outcome
The purpose of this study is to evaluate the effects of low-dose androgen on the motor and cognitive development of boys with Klinefelter syndrome.
- Trial name
- NCT00348946
- Testing
- androgen oxandrolone
- Where
- United States
- Volunteers
- 93 people
- Sponsor
- Thomas Jefferson University
Klinefelter Syndrome, XXY Syndrome
Study of Psychological and Motor Effects of Testosterone in Adolescents With XXY/Klinefelter Syndrome
The purpose of this study is to determine if testosterone replacement therapy leads to changes in psychological factors and/or motor skills in adolescent males with 47,XXY (also called Klinefelter syndrome).
- Trial name
- TestoXXY/KS (NCT01585831)
- Testing
- Testosterone gel 1%
- Where
- United States
- Volunteers
- 48 people
- Sponsor
- University of Colorado, Denver
Male Infertility, Klinefelter's Syndrome
RA-2 13-cis Retinoic Acid (Isotretinoin)
Men with infertility and normal hormone levels have few options for fertility treatment. Previous research work has suggested that men with infertility may have low levels of the active form of Vitamin A, called retinoic acid, in…
- Conditions
- Male Infertility, Klinefelter's Syndrome, Y-chromosome Microdeletions
- Trial name
- RA-2 (NCT02061384)
- Testing
- 13-cis retinoic acid, Calcitriol
- Where
- United States
- Volunteers
- 20 people
- Sponsor
- University of Washington