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Showing 1–24 of 69 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Turner's Syndrome Clear all
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Estrogen Dosing in Turner Syndrome: Pharmacology and Metabolism

NCT00837616
View directory record Official record
Conditions
Turner Syndrome, Hypogonadism, Premature Ovarian Failure
Interventions
17 B estradiol orally, 17 B estradiol
Drug
Lead sponsor
Nemours Children's Clinic
Other
Eligibility
13 Years to 20 Years · Female only
Enrollment
41 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2012
U.S. locations
2
States / cities
Jacksonville, Florida • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated May 15, 2023 · Synced Sep 21, 2026, 4:23 AM EDT
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 Sep 21, 2026, 4:23 AM EDT
Terminated No phase listed Observational

Study to Identify Markers of Insulin Resistance During Growth Hormone Treatment for Short Stature

NCT00121875
View directory record Official record
Conditions
Turner Syndrome, Idiopathic Short Stature
Interventions
somatropin (rDNA)
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
7 Years to 14 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2008
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 28, 2009 · Synced Sep 21, 2026, 4:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Turner Syndrome: Genotype and Phenotype

NCT00006334
View directory record Official record
Conditions
Turner's Syndrome
Interventions
Not listed
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
10 Years and older
Enrollment
1,017 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2000 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Sep 21, 2026, 4:23 AM EDT
Completed Phase 2 Interventional Results available

Intranasal Oxytocin in Hypothalamic Obesity

NCT02849743
View directory record Official record
Conditions
Craniopharyngioma, Hypothalamic Obesity
Interventions
Syntocinon, Placebo (for Syntocinon)
Drug
Lead sponsor
Shana McCormack, MD
Other
Eligibility
10 Years to 35 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Oct 4, 2022 · Synced Sep 21, 2026, 4:23 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 Sep 21, 2026, 4:23 AM EDT
Active, not recruiting No phase listed Observational

Pathogenetic Basis of Aortopathy and Aortic Valve Disease

NCT03440697
View directory record Official record
Conditions
Aortopathies, Thoracic Aortic Aneurysm, Aortic Valve Disease, Thoracic Aortic Disease, Thoracic Aortic Dissection, Thoracic Aortic Rupture, Ascending Aortic Disease, Descending Aortic Disease, Ascending Aortic Aneurysm, Descending Aortic Aneurysm, Marfan Syndrome, Loeys-Dietz Syndrome, Vascular Ehlers-Danlos Syndrome, Shprintzen-Goldberg Syndrome, Turner Syndrome, PHACE Syndrome, Autosomal Recessive Cutis Laxa, Congenital Contractural Arachnodactyly, Arterial Tortuosity Syndrome, Bicuspid Aortic Valve-Associated Aortopathy, Bicuspid Aortic Valve, Familial Thoracic Aortic Aneurysm and Aortic Dissection
Interventions
Not listed
Lead sponsor
Yale University
Other
Eligibility
Not listed
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2030
U.S. locations
2
States / cities
Atlanta, Georgia • Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 12, 2026 · Synced Sep 21, 2026, 4:23 AM EDT
Completed Phase 3 Interventional

The Effect of Growth Hormone in Very Young Girls With Turner Syndrome

NCT00406926
View directory record Official record
Conditions
Turner Syndrome
Interventions
Somatropin
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
9 Months to 4 Years · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2003
U.S. locations
10
States / cities
Los Angeles, California • Stanford, California • Denver, Colorado + 7 more
Source: ClinicalTrials.gov public record
Updated Dec 3, 2006 · Synced Sep 21, 2026, 4:23 AM EDT
Recruiting Phase 1Phase 2 Interventional Accepts healthy volunteers

A Study of RM-718 in Healthy Subjects and Patients With MC4R Pathway Impairment

NCT06239116
View directory record Official record
Conditions
Hypothalamic Obesity, Prader-Willi Syndrome, PWS
Interventions
Part A: RM-718 or placebo (matched to specific RM-718 dose cohort), Part B: RM-718 or placebo (matched to specific RM-718 dose cohort), Part C: RM-718, Part D: RM-718
Drug
Lead sponsor
Rhythm Pharmaceuticals, Inc.
Industry
Eligibility
12 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
7
States / cities
Birmingham, Alabama • Chicago, Illinois • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Dec 21, 2025 · Synced Sep 21, 2026, 4:23 AM EDT
Completed Phase 3 Interventional

The Effect of Androgen and Growth Hormone on Height and Learning in Girls With Turner Syndrome

NCT00029159
View directory record Official record
Conditions
Turner Syndrome
Interventions
estrogen, androgen, placebo
Drug · Other
Lead sponsor
Thomas Jefferson University
Other
Eligibility
10 Years to 14 Years · Female only
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2012
U.S. locations
2
States / cities
Bethesda, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 4, 2012 · Synced Sep 21, 2026, 4:23 AM EDT
Completed Phase 3 Interventional

Open-Label Extension Study of Setmelanotide

NCT06596135
View directory record Official record
Conditions
Obesity Associated With Defects in Leptin-melanocortin Pathway
Interventions
Setmelanotide
Drug
Lead sponsor
Rhythm Pharmaceuticals, Inc.
Industry
Eligibility
2 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
13
States / cities
Scottsdale, Arizona • San Diego, California • Gainesville, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2026 · Synced Sep 21, 2026, 4:23 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

The Effects of Estrogen on Cognition in Girls With Turner Syndrome

NCT00001253
View directory record Official record
Conditions
Gonadal Dysgenesis, Turner's Syndrome
Interventions
cognitive tests and scales
Behavioral
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
Not listed
Enrollment
950 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1990 – 2004
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 21, 2026, 4:23 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 Sep 21, 2026, 4:23 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 Sep 21, 2026, 4:23 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 Aug 13, 2026 · Synced Sep 21, 2026, 4:23 AM EDT
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Parent and Infant Inter(X)Action Intervention (PIXI)

NCT03836300
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Jul 12, 2026 · Synced Sep 21, 2026, 4:23 AM EDT
Enrolling by invitation Phase 2 Interventional

A Long-Term Study of Bivamelagon in Participants With Hypothalamic Obesity (HO)

NCT07156578
View directory record Official record
Conditions
Hypothalamic Obesity
Interventions
Bivamelagon
Drug
Lead sponsor
Rhythm Pharmaceuticals, Inc.
Industry
Eligibility
12 Years and older
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
6
States / cities
Aurora, Colorado • Iowa City, Iowa • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 9, 2026 · Synced Sep 21, 2026, 4:23 AM EDT
Recruiting No phase listed Observational

Natural History of Noncirrhotic Portal Hypertension

NCT02417740
View directory record Official record
Conditions
Cystic Fibrosis, Immunologic Deficiency Syndrome, Turner Syndrome, Congenital Hepatic Fibrosis, Idiopathic Non-Cirrhotic Portal Hypertension
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
12 Years to 100 Years
Enrollment
400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2029
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 15, 2026 · Synced Sep 21, 2026, 4:23 AM EDT
Not yet recruiting Phase 2 Interventional

Pre-pubertal Low Dose Transdermal Estradiol in Turner Syndrome

NCT07784582
View directory record Official record
Conditions
Turner Syndrome, Primary Ovarian Insufficiency
Interventions
Estradiol transdermal patch 0.025mg/24 hours- 1/8th fractionated patch
Drug
Lead sponsor
Children's National Research Institute
Other
Eligibility
8 Years to 12 Years · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Aug 24, 2026 · Synced Sep 21, 2026, 4:23 AM EDT
Recruiting Phase 2 Interventional

Efficacy and Safety of Phentermine/Topiramate in Youth With Hypothalamic Obesity

NCT06299891
View directory record Official record
Conditions
Hypothalamic Obesity, Hypothalamic Tumor, Craniopharyngioma
Interventions
Phentermine / Topiramate Extended Release Oral Capsule [Qsymia], Placebo
Drug · Other
Lead sponsor
Seattle Children's Hospital
Other
Eligibility
6 Years to 28 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
2
States / cities
Philadelphia, Pennsylvania • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Jul 27, 2025 · Synced Sep 21, 2026, 4:23 AM EDT
Terminated Phase 1 Interventional

Initiating Transdermal Estradiol Therapy in Turner's Syndrome

NCT00870220
View directory record Official record
Conditions
Turner's Syndrome
Interventions
Norditropin, Menostar 14mcg patch, Vivelle dot 25mcg patch
Drug
Lead sponsor
University of Chicago
Other
Eligibility
138 Months to 13 Years · Female only
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
3
States / cities
Chicago, Illinois • Baltimore, Maryland • Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 10, 2014 · Synced Sep 21, 2026, 4:23 AM EDT
Recruiting Phase 2 Interventional

Vosoritide for Short Stature in Turner Syndrome

NCT05849389
View directory record Official record
Conditions
Turner Syndrome, Short Stature
Interventions
Vosoritide
Drug
Lead sponsor
Roopa Kanakatti Shankar, MBBS, MS
Other
Eligibility
3 Years to 11 Years · Female only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Jun 23, 2024 · Synced Sep 21, 2026, 4:23 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Dry Eye in Women With Turner Syndrome and Women With Premature Ovarian Failure

NCT00471731
View directory record Official record
Conditions
Turner Syndrome, Ovarian Failure, Premature, Sex Chromosome Aberrations, Menopause, Perimenopause
Interventions
Not listed
Lead sponsor
National Eye Institute (NEI)
NIH
Eligibility
18 Years and older · Female only
Enrollment
72 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 13, 2018 · Synced Sep 21, 2026, 4:23 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 Sep 21, 2026, 4:23 AM EDT