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Showing 1–24 of 68 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Turner Syndrome Clear all
Completed Phase 3 Interventional

Somatropin Treatment in Patients With SHOX Deficiency and Turner Syndrome

NCT00190658
View directory record Official record
Conditions
Failure to Thrive
Interventions
Somatropin (rDNA origin) for injection
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
3 Years and older
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2010
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Dec 19, 2010 · Synced Jul 21, 2026, 11:24 AM EDT
Completed No phase listed Observational

The Clinical Study of Sex Chromosome Variants

NCT01661010
View directory record Official record
Conditions
Male Factor Infertility, Female Factor Infertility
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years and older
Enrollment
112 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 10, 2026 · Synced Jul 21, 2026, 11:24 AM EDT
Not listed No phase listed Observational

Turner Syndrome Prenatal Diagnosis Study

NCT01668251
View directory record Official record
Conditions
Turner Syndrome
Interventions
Not listed
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
Up to 3 Months · Female only
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2017
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Aug 19, 2012 · Synced Jul 21, 2026, 11:24 AM EDT
Recruiting No phase listed Observational

Turner Syndrome: Genetic Considerations

NCT07502586
View directory record Official record
Conditions
Genetic
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
1 Day to 110 Years
Enrollment
500 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Jul 21, 2026, 11:24 AM EDT
Recruiting No phase listed Observational

Gonadal Tissue Freezing for Fertility Preservation in Individuals at Risk for Ovarian Dysfunction, Premature Ovarian Insufficiency and Clinically Indicated Gonadectomy

NCT04948658
View directory record Official record
Conditions
Turner Syndrome, Post-menarcheal Adolescents, Ovarian Disfunction, Galactosemia, Variations in Sex Characteristics, Differences in Sex Development
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
2 Years to 35 Years
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jul 21, 2026, 11:24 AM EDT
Recruiting Phase 3 Interventional

Trial Investigating the Efficacy and Safety of Weekly Lonapegsomatropin Compared to Daily Somatropin in Children and Adolescents With Short Stature or Growth Failure Due to Growth Hormone Sufficient Disorders

NCT07221851
View directory record Official record
Conditions
Turner Syndrome, Short Stature Homeobox Gene Mutation, Idiopathic Short Stature, Small for Gestational Age at Delivery
Interventions
Lonapegsomatropin [SKYTROFA®], Somatropin Pen Injector
Combination Product
Lead sponsor
Ascendis Pharma A/S
Industry
Eligibility
2 Years to 17 Years
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
17
States / cities
Palo Alto, California • Sacramento, California • Aurora, Colorado + 13 more
Source: ClinicalTrials.gov public record
Updated Jul 9, 2026 · Synced Jul 21, 2026, 11:24 AM EDT
Completed No phase listed Observational

Development of Non-invasive Prenatal Test for Microdeletion and Other Genetic Syndromes Based on Cell Free DNA

NCT02109770
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 25, 2019 · Synced Jul 21, 2026, 11:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Fertility Attitudes of Adolescents and Young Adults With Turner Syndrome and Their Parents/Guardians (The Fertility ConcepTS Study)

NCT05078892
View directory record Official record
Conditions
Fertility Perservation, Fertility
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
12 Years to 25 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 17, 2023 · Synced Jul 21, 2026, 11:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development of Non-invasive Prenatal Screening Test for Microdeletions Based on Fetal DNA Isolated From Maternal Blood

NCT01852708
View directory record Official record
Conditions
Trisomy 21, Trisomy 18, Trisomy 13, Sex Chromosome Abnormalities, Microdeletion Syndromes
Interventions
Not listed
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,059 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2020
U.S. locations
7
States / cities
San Carlos, California • San Gabriel, California • Washington D.C., District of Columbia + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2020 · Synced Jul 21, 2026, 11:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Risk of Diabetes in Young Turner Syndrome Patients

NCT02160717
View directory record Official record
Conditions
Turner Syndrome
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 22 Years · Female only
Enrollment
120 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 22, 2017 · Synced Jul 21, 2026, 11:24 AM EDT
Completed Phase 2 Interventional

Oxandrolone Compared With a Placebo on Growth Rate in Girls With Growth Hormone-Treated Turner's Syndrome

NCT00004275
View directory record Official record
Conditions
Turner's Syndrome
Interventions
growth hormone, oxandrolone
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
10 Years to 14 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 9, 2008 · Synced Jul 21, 2026, 11:24 AM EDT
Completed Phase 2 Interventional

Effect of Biosynthetic Growth Hormone and/or Ethinyl Estradiol on Adult Height in Patients With Turner Syndrome

NCT00001221
View directory record Official record
Conditions
Gonadal Dysgenesis, Turner's Syndrome
Interventions
Growth Hormone (Humatrope)
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Female only
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1987 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 11:24 AM EDT
Completed Phase 1 Interventional Accepts healthy volunteers

Elucidating Kisspeptin Physiology by Blocking Kisspeptin Signaling

NCT01438073
View directory record Official record
Conditions
Hypogonadotropic Hypogonadism, Healthy Postmenopausal Women, Agonadism
Interventions
kisspeptin 112-121, GnRH
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 60 Years
Enrollment
96 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2016
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 10, 2022 · Synced Jul 21, 2026, 11:24 AM EDT
Completed No phase listed Observational

Health, Fitness, and Quality of Life in Adolescent Girls With Turner Syndrome

NCT03181230
View directory record Official record
Conditions
Turner Syndrome, Turner Syndrome Mosaicism, 45, X/46, XX or XY, Turner Syndrome Mosaicism 46,X,I(X)(Q10)/45,X, Turner Syndrome Karyotype 46,X With Abnormal Sex Chromosome , Except I(Xq)
Interventions
No intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
12 Years to 21 Years · Female only
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated May 2, 2021 · Synced Jul 21, 2026, 11:24 AM EDT
Recruiting Phase 3 Interventional

A Trial of Setmelanotide in Patients With Congenital Hypothalamic Obesity (Sub-study of NCT05774756)

NCT06760546
View directory record Official record
Conditions
Hypothalamic Obesity, Multiple Pituitary Hormone Deficiency Genetic Form, Septo-Optic Dysplasia, Optic Nerve Hypoplasia, Childhood-onset Combined Pituitary Hormone Deficiency, Pituitary Stalk Interruption Syndrome
Interventions
Setmelanotide, Placebo
Drug
Lead sponsor
Rhythm Pharmaceuticals, Inc.
Industry
Eligibility
4 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
8
States / cities
Birmingham, Alabama • Aurora, Colorado • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Jul 21, 2026, 11:24 AM EDT
Recruiting Phase 4 Interventional

Bleeding Patterns in Sequential and Continuous Progesterone Supplementation in Adolescents With Turner Syndrome

NCT06834594
View directory record Official record
Conditions
Turner Syndrome, Primary Ovarian Insufficiency (Poi)
Interventions
Micronized progesterone 200 MG, Micronized Progesterone 100 MG
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
12 Years to 20 Years · Female only
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 3, 2025 · Synced Jul 21, 2026, 11:24 AM EDT
Completed Phase 2 Interventional

Hormone Replacement Therapy to Treat Turner Syndrome

NCT00013546
View directory record Official record
Conditions
Osteoporosis, Turner's Syndrome
Interventions
TMTDS
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Female only
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Jul 21, 2026, 11:24 AM EDT
Completed Not applicable Interventional Results available

Effect of Growth Hormone on Early Brain Development in Girls With Turner Syndrome

NCT01367834
View directory record Official record
Conditions
Turner Syndrome
Interventions
somatotropin
Drug
Lead sponsor
Rebecca Knickmeyer Santelli, PhD
Other
Eligibility
11 Months to 13 Months · Female only
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Mar 23, 2017 · Synced Jul 21, 2026, 11:24 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Sex Differences in Early Brain Development; Brain Development in Turner Syndrome

NCT00877942
View directory record Official record
Conditions
Turner Syndrome
Interventions
Not listed
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
2 Weeks to 2 Years
Enrollment
295 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated May 1, 2014 · Synced Jul 21, 2026, 11:24 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Prenatal Non-invasive Aneuploidy Test Utilizing SNPs Trial

NCT01545674
View directory record Official record
Conditions
Trisomy 13, Trisomy 18, Trisomy 21, Aneuploidy
Interventions
Blood Draw
Procedure
Lead sponsor
Natera, Inc.
Industry
Eligibility
Female only
Enrollment
937 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2023
U.S. locations
24
States / cities
Birmingham, Alabama • Los Angeles, California • San Francisco, California + 16 more
Source: ClinicalTrials.gov public record
Updated Mar 22, 2023 · Synced Jul 21, 2026, 11:24 AM EDT
Completed No phase listed Observational

National Registry of Genetically Triggered Thoracic Aortic Aneurysms and Cardiovascular Conditions

NCT01322165
View directory record Official record
Conditions
Marfan Syndrome, Turner Syndrome, Ehlers-Danlos Syndrome, Loeys-Dietz Syndrome, FBN1, TGFBR1, TGFBR2, ACTA2 or MYH11 Genetic Mutation, Bicuspid Aortic Valve Without Known Family History, Bicuspid Aortic Valve With Family History, Bicuspid Aortic Valve With Coarctation, Familial Thoracic Aortic Aneurysm and Dissections, Shprintzen-Goldberg Syndrome, Other Aneur/Diss of Thoracic Aorta Not Due to Trauma, <50yo, Other Congenital Heart Disease
Interventions
Not listed
Lead sponsor
National Heart, Lung, and Blood Institute (NHLBI)
NIH
Eligibility
Not listed
Enrollment
3,706 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2016
U.S. locations
7
States / cities
Honolulu, Hawaii • Baltimore, Maryland • New York, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 19, 2016 · Synced Jul 21, 2026, 11:24 AM EDT
Completed Phase 3 Interventional Results available

Energy Balance & Weight Loss in Craniopharyngioma-related or Other Hypothalamic Tumors in Hypothalamic Obesity

NCT02664441
View directory record Official record
Conditions
Hypothalamic Obesity
Interventions
Exenatide, placebo
Drug
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
10 Years to 25 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
3
States / cities
Minneapolis, Minnesota • Nashville, Tennessee • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 4, 2022 · Synced Jul 21, 2026, 11:24 AM EDT
Completed No phase listed Observational

Non-Invasive Screening for Fetal Aneuploidy: A New Maternal Plasma Marker

NCT00770458
View directory record Official record
Conditions
Down Syndrome (Trisomy 21), Edwards Syndrome (Trisomy 18), Patau Syndrome (Trisomy 13), Turner Syndrome
Interventions
Not listed
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
7
States / cities
La Jolla, California • San Diego, California • San Jose, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jan 5, 2010 · Synced Jul 21, 2026, 11:24 AM EDT
Completed Phase 3 Interventional

Estrogen Treatment (Oral vs. Patches) in Turner Syndrome

NCT00140998
View directory record Official record
Conditions
Turner Syndrome, Hypogonadism, Premature Ovarian Failure
Interventions
17 beta estradiol
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
10 Years to 16 Years · Female only
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2004
U.S. locations
1
States / cities
Jacksonville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 29, 2017 · Synced Jul 21, 2026, 11:24 AM EDT