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27 studies found for:    "Klinefelter syndrome"
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Rank Status Study
1 Active, not recruiting Androgen Effect on Klinefelter Syndrome Motor Outcome
Condition: Klinefelter Syndrome
Interventions: Drug: androgen oxandrolone;   Other: placebo
2 Completed Adaptation Among Adolescents and Adults With Klinefelter Syndrome
Condition: Klinefelter Syndrome
Intervention:
3 Recruiting Fertility Preservation in Cases of Klinefelter Syndrome.
Condition: Klinefelter Syndrome
Intervention: Procedure: Seminal analyses and testicular biopsy
4 Completed Neuropsychologic, Neuroradiologic, Endocrinologic, and Genetic Aspects of Klinefelter Syndrome
Condition: Klinefelter Syndrome
Intervention:
5 Recruiting Fertility Assessment in Patients With Klinefelter Syndrome
Condition: Klinefelter Syndrome
Intervention: Other: Counseling
6 Completed Klinefelter Fertility Preservation
Condition: Klinefelter Syndrome
Intervention: Procedure: Testicular Biopsy
7 Recruiting Body Composition in Infants With Klinefelter Syndrome and Effects of Testosterone Treatment
Condition: Klinefelter Syndrome
Intervention: Drug: testosterone cypionate 200mg/ml
8 Withdrawn Adaptive Behavior Assessment of Men With 49, XXXXY, Klinefelter Syndrome
Condition: Klinefelter Syndrome
Intervention:
9 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
10 Completed Epigenetics and Metabolic Disorders in Men With the Klinefelter Syndrome
Condition: Klinefelter Syndrome, Hypogonadism
Intervention:
11 Completed Subcapsular Orchiectomy in Men With Klinefelter Syndrome
Condition: Klinefelter Syndrome
Intervention: Procedure: Orchiectomy
12 Recruiting Thrombosis and Neurocognition in Klinefelter Syndrome
Conditions: Klinefelter Syndrome;   Thrombosis
Intervention:
13 Recruiting Cardiometabolic Profiles of Boys With Klinefelter Syndrome
Conditions: Klinefelter Syndrome;   47,XXY;   Sex Chromosome Aneuploidy;   XXY Syndrome
Intervention: Other: No intervention
14 Completed Human Chorionic Gonadotropin Stimulation Effects on Steroidogenesis in Men With Klinefelter Syndrome
Conditions: Steroidogenesis;   Klinefelter Syndrome;   Human Chorionic Gonadotropin (hCG) Stimulation
Intervention: Drug: human chorionic gonadotropin
15 Completed Life Quality and Health in Patients With Klinefelter Syndrome
Conditions: Klinefelter Syndrome;   Quality of Life;   Physical Disorders;   Mental Disorders
Intervention:
16 Completed Sperm Production in Kleinfelter Syndrome Patients After Mesenchymal Stem Cell Injection
Conditions: Klinefelter Syndrome;   Azoospermia
Intervention: Drug: Mesenchymal stem cell injection
17 Completed Body Composition, Bone Mineral Density, Insulin Sensitivity and Echocardiographic Measurements in Klinefelter Syndrome
Conditions: Klinefelter Syndrome;   Diabetes;   Osteoporosis;   Metabolic Syndrome;   Cardiovascular Disease
Intervention:
18 Completed Androgen for Leydig Cell Proliferation
Conditions: Klinefelter Syndrome;   Hypergonadotropic Hypogonadism;   Hypergonadotropic Azospermia;   Hypergonadotropic Cryptozoospermia
Interventions: Drug: Testosterone undecanoate;   Drug: Castor Oil
19 Active, not recruiting RA-2 13-cis Retinoic Acid (Isotretinoin)
Conditions: Male Infertility;   Klinefelter's Syndrome;   Y-chromosome Microdeletions
Interventions: Drug: 13-cis retinoic acid;   Drug: Calcitriol
20 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

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Study has passed its completion date and status has not been verified in more than two years.