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Klinefelter syndrome

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Klinefelter Syndrome, Infertility, Male Trial in Brussels (Testicular biopsy)

Recruiting
  • Klinefelter Syndrome
  • Infertility, Male
  • Testicular biopsy
  • Brussels, Belgium
    Cliniques Universitaires St Luc
Aug 11, 2023

Thyroid Function and Structure IN Klinefelter Syndrome

Completed
  • Klinefelter Syndrome
  • +2 more
    • (no location specified)
    Oct 11, 2022

    Klinefelter Syndrome Trial (Anastrozole, Semaglutide, human chorionic gonadotropin)

    Not yet recruiting
    • Klinefelter Syndrome
    • (no location specified)
    Oct 15, 2022

    Klinefelter Syndrome Trial in Aurora (Fenofibrate 145 mg)

    Not yet recruiting
    • Klinefelter Syndrome
    • Fenofibrate 145 mg
    • Aurora, Colorado
      University of Colorado - Anschutz Medical Campus
    Aug 9, 2022

    Cardiometabolic Profiles of Boys With Klinefelter Syndrome

    Completed
    • Klinefelter Syndrome
    • +3 more
    • No intervention
    • Aurora, Colorado
      Children's Hospital Colorado
    Mar 4, 2022

    Klinefelter Syndrome Trial in Aurora (Testosterone Cypionate 200 Milligram/Milliliter Injectable Solution, Placebo injectable

    Completed
    • Klinefelter Syndrome
    • Testosterone Cypionate 200 Milligram/Milliliter Injectable Solution
    • Placebo injectable saline
    • Aurora, Colorado
      Children's Hospital Colorado
    Apr 27, 2022

    Cardiac Event, Klinefelter Syndrome, Endothelial Dysfunction Trial (no intervention)

    Completed
    • Cardiac Event
    • +2 more
    • no intervention
    • (no location specified)
    Aug 19, 2021

    Klinefelter Syndrome, XXY Syndrome Trial in Aurora (Testosterone gel 1%, Placebo gel)

    Completed
    Has Results
    • Klinefelter Syndrome
    • XXY Syndrome
    • Testosterone gel 1%
    • Placebo gel
    • Aurora, Colorado
      Childrens Hospital Colorado
    Jul 16, 2021

    Endocrine, Metabolic, Cardiovascular and Immunological Aspects

    Recruiting
    • Sex Chromosome Abnormality
    • +5 more
    • No intervention other than obtaining biopsies
    • Aarhus, Region Midt, Denmark
      Aarhus university hospital
    Jun 20, 2022

    Health and Neurodevelopment in Infants and Young Sex Chromosome

    Recruiting
    • Klinefelter Syndrome
    • +11 more
    • Assessments of Development and Growth
    • Aurora, Colorado
    • +1 more
    Jan 6, 2022

    Klinefelter Syndrome Trial in Philadelphia (androgen oxandrolone, )

    Completed
    Has Results
    • Klinefelter Syndrome
    • androgen oxandrolone
    • placebo
    • Philadelphia, Pennsylvania
      Thomas Jefferson University, Department of Pediatrics, 1025 Waln
    Jul 6, 2021

    Fragile X Syndrome, Angelman Syndrome, Prader-Willi Syndrome Trial in Research Triangle Park (Parent-Infant Inter(X)action

    Enrolling by invitation
    • Fragile X Syndrome
    • +13 more
    • Parent-Infant Inter(X)action Intervention (PIXI)
    • Research Triangle Park, North Carolina
      RTI International
    Feb 23, 2022

    Turner And Klinefelter Treatment Target Study

    Recruiting
    • Klinefelter Syndrome
    • Turner Syndrome
    • Measurement of blood values, questionnaire scores and measurements of hormone levels in hair
    • Rotterdam, Zuid-Holland, Netherlands
      Erasmus Medical Center
    Mar 26, 2021

    Male Infertility, Klinefelter's Syndrome, Y-chromosome Microdeletions Trial in Seattle (13-cis retinoic acid, Calcitriol)

    Completed
    Has Results
    • Male Infertility
    • +2 more
    • Seattle, Washington
      University of Washington Medical Center
    Jul 29, 2021

    Whole Blood Specimen Collection From Pregnant Subjects

    Active, not recruiting
    • Down Syndrome
    • +6 more
    • Observational - no intervention
    • Chattanooga, Tennessee
      Regional Obstetrical Consultants
    Sep 15, 2020

    Klinefelter Syndrome Trial in Aurora (testosterone cypionate 200mg/ml)

    Completed
    Has Results
    • Klinefelter Syndrome
    • testosterone cypionate 200mg/ml
    • Aurora, Colorado
      Children's Hospital Colorado
    Apr 2, 2020

    Adaptation Among Adolescents and Klinefelter Syndrome

    Completed
    • Klinefelter Syndrome
      • Bethesda, Maryland
        National Human Genome Research Institute (NHGRI), 9000 Rockville
      Dec 14, 2019

      Klinefelter Syndrome Trial in France (Seminal analyses and testicular biopsy)

      Completed
      • Klinefelter Syndrome
      • Seminal analyses and testicular biopsy
      • Bordeaux, France
      • +3 more
      Jan 9, 2020

      Congenital Adrenal Hyperplasia, Hypogonadotropic Hypogonadism, Growth Hormone Deficiency Trial in Worldwide (YESS! game, Snake

      Not yet recruiting
      • Congenital Adrenal Hyperplasia
      • +8 more
      • YESS! game
      • +2 more
      • Ghent, Belgium
      • +6 more
      Jul 2, 2020

      GROWing Up With Rare GENEtic Syndromes

      Recruiting
      • Prader-Willi Syndrome
      • +32 more
      • Retrospective file studies
      • Rotterdam, Zuid-Holland, Netherlands
        Erasmus Medical Center
      Jul 3, 2020

      Thrombosis and Neurocognition in Klinefelter Syndrome

      Completed
      • Klinefelter Syndrome
      • Thrombosis
        • Aarhus, Denmark
          Department for Endocrinology and Internal Medicine
        Aug 21, 2019

        The Potential of Sperm Retrieved by Micro-TESE to Fertilize

        Recruiting
        • Azoospermia, Nonobstructive
          • Odense, Denmark
          • +1 more
          May 25, 2022

          The Enigma Study

          Completed
          • Down Syndrome
          • +7 more
          • Blood sampling for Laboratory Developed Test (LDT) analysis
          • Scottsdale, Arizona
          • +7 more
          Aug 19, 2019

          Age on Sperm Recovery of Microdissection Testicular Sperm

          Completed
          • Non-obstructive Azoospermia
            • Beijing, Beijing, China
              Peking University Third Hospital
            Jul 21, 2023

            Fertility Assessment in Patients With Klinefelter Syndrome

            Terminated
            • Klinefelter Syndrome
            • Counseling
            • Pittsburgh, Pennsylvania
            • +1 more
            Jul 20, 2018