18 studies found for:    "Klinefelter Syndrome"
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Rank Status Study
1 Recruiting Study of Psychological and Motor Effects of Testosterone in Adolescents With XXY/Klinefelter Syndrome
Conditions: Klinefelter Syndrome;   XXY Syndrome
Interventions: Drug: Testosterone gel 1%;   Drug: Placebo gel
2 Completed Adaptation Among Adolescents and Adults With Klinefelter Syndrome
Condition: Klinefelter Syndrome
Intervention:
3 Active, not recruiting Neuropsychologic, Neuroradiologic, Endocrinologic, and Genetic Aspects of Klinefelter Syndrome
Condition: Klinefelter Syndrome
Intervention:
4 Active, not recruiting Androgen Effect on Klinefelter Syndrome Motor Outcome
Condition: Klinefelter Syndrome
Interventions: Drug: androgen oxandrolone;   Other: placebo
5 Recruiting Fertility Preservation in Cases of Klinefelter Syndrome.
Condition: Klinefelter Syndrome
Intervention: Procedure: Seminal analyses and testicular biopsy
6 Completed Epigenetics and Metabolic Disorders in Men With the Klinefelter Syndrome
Condition: Klinefelter Syndrome, Hypogonadism
Intervention:
7 Recruiting Klinefelter Fertility Preservation
Condition: Klinefelter Syndrome
Intervention: Procedure: Testicular Biopsy
8 Withdrawn Adaptive Behavior Assessment of Men With 49, XXXXY, Klinefelter Syndrome
Condition: Klinefelter Syndrome
Intervention:
9 Enrolling by invitation Life Quality and Health in Patients With Klinefelter Syndrome
Conditions: Klinefelter Syndrome;   Quality of Life;   Physical Disorders;   Mental Disorders
Intervention:
10 Recruiting Subcapsular Orchiectomy in Men With Klinefelter Syndrome
Condition: Klinefelter Syndrome
Intervention: Procedure: Orchiectomy
11 Completed Body Composition, Bone Mineral Density, Insulin Sensitivity and Echocardiographic Measurements in Klinefelter Syndrome
Conditions: Klinefelter Syndrome;   Diabetes;   Osteoporosis;   Metabolic Syndrome;   Cardiovascular Disease
Intervention:
12 Recruiting X-chromosome Inactivation, Epigenetics and the Transcriptome
Conditions: Turner Syndrome;   Klinefelter Syndrome;   Triple X Syndrome;   47 XYY Syndrome;   Aortic Aneurysm
Intervention:
13 Recruiting Androgen for Leydig Cell Proliferation
Conditions: Klinefelter Syndrome;   Hypergonadotropic Hypogonadism;   Hypergonadotropic Azospermia;   Hypergonadotropic Cryptozoospermia
Interventions: Drug: Testosterone undecanoate;   Drug: Castor Oil
14 Recruiting Elucidating Kisspeptin Physiology by Blocking Kisspeptin Signaling
Conditions: Hypogonadotropic Hypogonadism;   Healthy Postmenopausal Women;   Primary Gonadal Insufficiency in Men;   Hypergonadotropic Hypogonadism in Men;   Klinefelter Syndrome
Interventions: Drug: kisspeptin 112-121;   Drug: GnRH
15 Unknown  Non-Invasive Determination of Fetal Chromosome Abnormalities
Conditions: Down Syndrome (Trisomy 21);   Edward's Syndrome (Trisomy 18);   Patau Syndrome (Trisomy 13);   Klinefelter Syndrome (47, XXY);   and Other Chromosome;   Abnormalities.
Intervention:
16 Not yet recruiting RA-2 13-cis Retinoic Acid (Isotretinoin)
Conditions: Male Infertility;   Klinefelter's Syndrome;   Y-chromosome Microdeletions
Intervention: Drug: 13-cis retinoic acid
17 Recruiting Development of Non-invasive Prenatal Test for Microdeletion/Duplication and Other Genetic Syndromes Based on Fetal DNA Isolated From Maternal Blood
Conditions: Microdeletion Syndromes;   Trisomy 21;   Trisomy 18;   Trisomy 13;   Sex Chromosome Abnormalities
Intervention:
18 Recruiting Brain Imaging of Childhood Onset Psychiatric Disorders, Endocrine Disorders and Healthy Children
Conditions: Autoimmune Disease;   Congenital Adrenal Hyperplasia;   Healthy;   Mental Disorder Diagnosed in Childhood;   Neurologic Manifestations
Intervention:

Indicates status has not been verified in more than two years