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Your journey
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More info
You can access this
clinical trial
if you have
Klinefelter Syndrome or XXY Syndrome
and you are
between 8 and 18
years old
The phase for this study is not defined.
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The purpose

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). This study will also evaluate whether certain genetic factors of the X chromosome affect the psychological or motor features of XXY/Klinefelter syndrome.

Provided treatments

  • Drug: Testosterone gel 1%
  • Drug: Placebo gel

Locations near you

Unfortunately, there are no recruiting locations near you. Please check the list with all locations below.
Tris trial is registered with FDA with number: NCT01585831. The sponsor of the trial is University of Colorado, Denver and it is looking for 47 volunteers for the current phase.
Official trial title:
Psychological and Motor Effects of Testosterone Therapy in Adolescents With XXY/Klinefelter Syndrome