- Conditions
- Klinefelter Syndrome
- Interventions
- Testicular Biopsy
- Procedure
- Lead sponsor
- Boston Children's Hospital
- Other
- Eligibility
- 12 Years to 25 Years · Male only
- Enrollment
- 15 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- Started 2013
- U.S. locations
- 1
- States / cities
- Boston, Massachusetts
Search Results
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Search by query text, NCT ID, condition, intervention, sponsor, city, state, recruitment status, phase, study type, healthy volunteer eligibility, sex, or age. Results are retrieved from ClinicalTrials.gov and synchronized into the directory. Search pages remain noindex by default.
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Showing 1–20
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matching trials from the live ClinicalTrials.gov search.
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- Conditions
- Sex Chromosome Aneuploidy
- Interventions
- no intervention
- Other
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 0 Days to 100 Years
- Enrollment
- 5,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2037
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Klinefelter Syndrome, XXY Syndrome
- Interventions
- Testosterone gel 1%, Placebo gel
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 8 Years to 18 Years · Male only
- Enrollment
- 48 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2017
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Klinefelter Syndrome
- Interventions
- Counseling
- Other
- Lead sponsor
- University of Pittsburgh
- Other
- Eligibility
- 12 Years to 25 Years · Male only
- Enrollment
- 6 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2017
- U.S. locations
- 2
- States / cities
- Pittsburgh, Pennsylvania
- Conditions
- Klinefelter Syndrome, Trisomy X, XYY Syndrome, XXXY and XXXXY Syndrome, Xxyy Syndrome, Xyyy Syndrome, Xxxx Syndrome, Xxxxx Syndrome, Xxxyy Syndrome, Xxyyy Syndrome, Xyyyy Syndrome, Male With Sex Chromosome Mosaicism
- Interventions
- Assessments of Development and Growth
- Other
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 6 Weeks to 13 Months
- Enrollment
- 300 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2028
- U.S. locations
- 2
- States / cities
- Aurora, Colorado • Philadelphia, Pennsylvania
- Conditions
- Klinefelter Syndrome, 47,XXY, Sex Chromosome Aneuploidy, XXY Syndrome
- Interventions
- No intervention
- Other
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 12 Years to 17 Years · Male only
- Enrollment
- 31 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2016 – 2017
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Fragile X Syndrome, Angelman Syndrome, Prader-Willi Syndrome, Dup15Q Syndrome, Duchenne Muscular Dystrophy, Phelan-McDermid Syndrome, Rett Syndrome, Smith Magenis Syndrome, Williams Syndrome, Turner Syndrome, Klinefelter Syndrome, Chromosome 22q11.2 Deletion Syndrome, Tuberous Sclerosis, Down Syndrome
- Interventions
- Parent-Infant Inter(X)action Intervention (PIXI)
- Behavioral
- Lead sponsor
- RTI International
- Other
- Eligibility
- Up to 99 Years
- Enrollment
- 120 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2018 – 2026
- U.S. locations
- 1
- States / cities
- Research Triangle Park, North Carolina
- Conditions
- Male Infertility, Klinefelter's Syndrome, Y-chromosome Microdeletions
- Interventions
- 13-cis retinoic acid, Calcitriol
- Drug
- Lead sponsor
- University of Washington
- Other
- Eligibility
- 21 Years to 60 Years · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2014 – 2018
- U.S. locations
- 1
- States / cities
- Seattle, Washington
- Conditions
- Klinefelter Syndrome
- Interventions
- Not listed
- Lead sponsor
- University of Wisconsin, Madison
- Other
- Eligibility
- 2 Years to 21 Years · Male only
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2008
- U.S. locations
- 1
- States / cities
- Madison, Wisconsin
- Conditions
- Klinefelter Syndrome
- Interventions
- testosterone cypionate 200mg/ml
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 42 Days to 108 Days · Male only
- Enrollment
- 20 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2020
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Klinefelter Syndrome
- Interventions
- androgen oxandrolone, placebo
- Drug · Other
- Lead sponsor
- Thomas Jefferson University
- Other
- Eligibility
- 4 Years to 12 Years · Male only
- Enrollment
- 93 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2006 – 2017
- U.S. locations
- 1
- States / cities
- Philadelphia, Pennsylvania
- Conditions
- Klinefelter Syndrome
- Interventions
- Not listed
- Lead sponsor
- National Human Genome Research Institute (NHGRI)
- NIH
- Eligibility
- 14 Years to 80 Years · Male only
- Enrollment
- 302 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2009 – 2015
- U.S. locations
- 1
- States / cities
- Bethesda, Maryland
- Conditions
- Klinefelter Syndrome
- Interventions
- Testosterone Cypionate 200 Milligram/Milliliter Injectable Solution, Placebo injectable saline
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 31 Days to 90 Days · Male only
- Enrollment
- 72 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2017 – 2021
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Microdeletion Syndromes, Trisomy 21, Trisomy 18, Trisomy 13, Sex Chromosome Abnormalities
- Interventions
- Not listed
- Lead sponsor
- Natera, Inc.
- Industry
- Eligibility
- Not listed
- Enrollment
- 216 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2012 – 2019
- U.S. locations
- 2
- States / cities
- San Carlos, California • Philadelphia, Pennsylvania
- Conditions
- Down Syndrome, Edwards Syndrome, Patau Syndrome, Klinefelter Syndrome, Turner Syndrome, DiGeorge Syndrome, Perinatal Infections
- Interventions
- Observational - no intervention
- Other
- Lead sponsor
- Progenity, Inc.
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 5,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2015 – 2021
- U.S. locations
- 1
- States / cities
- Chattanooga, Tennessee
- Conditions
- Down Syndrome (Trisomy 21), Edward's Syndrome (Trisomy 18), Patau Syndrome (Trisomy 13), Klinefelter Syndrome (47, XXY), and Other Chromosome, Abnormalities.
- Interventions
- Not listed
- Lead sponsor
- Lenetix Medical Screening Laboratory
- Industry
- Eligibility
- 18 Years and older · Female only
- Enrollment
- 1,000 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2009
- U.S. locations
- 7
- States / cities
- Rockville, Maryland • Moristown, New Jersey • Mineola, New York + 3 more
- Conditions
- Klinefelter Syndrome
- Interventions
- Fenofibrate 145 mg
- Drug
- Lead sponsor
- University of Colorado, Denver
- Other
- Eligibility
- 15 Years to 40 Years · Male only
- Enrollment
- 44 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2022 – 2025
- U.S. locations
- 1
- States / cities
- Aurora, Colorado
- Conditions
- Trisomy 13, Trisomy 18, Trisomy 21, Sex Chromosome Abnormalities
- Interventions
- Not listed
- Lead sponsor
- Natera, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 99 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2014 – 2019
- U.S. locations
- 4
- States / cities
- Boston, Massachusetts • Glen Cove, New York • New York, New York + 1 more
- Conditions
- Down Syndrome, Edwards Syndrome, Patau Syndrome, Klinefelter Syndrome, Turner Syndrome, DiGeorge Syndrome, Chromosome Deletion, Aneuploidy
- Interventions
- Blood sampling for Laboratory Developed Test (LDT) analysis
- Other
- Lead sponsor
- Progenity, Inc.
- Industry
- Eligibility
- 18 Years to 54 Years · Female only
- Enrollment
- 760 participants
- Healthy volunteers
- Healthy volunteers not accepted
- Timeline
- 2015 – 2018
- U.S. locations
- 8
- States / cities
- Scottsdale, Arizona • Eunice, Louisiana • Brooklyn, New York + 5 more
- Conditions
- Trisomy 13, Trisomy 18, Trisomy 21, Sex Chromosome Abnormalities
- Interventions
- Not listed
- Lead sponsor
- Natera, Inc.
- Industry
- Eligibility
- 18 Years and older
- Enrollment
- 354 participants
- Healthy volunteers
- Accepts healthy volunteers
- Timeline
- 2013 – 2019
- U.S. locations
- 6
- States / cities
- San Carlos, California • San Diego, California • New York, New York + 2 more