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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Turner Syndrome Clear all
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 17, 2026, 4:09 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 17, 2026, 4:09 AM EDT
Active, not recruiting Phase 3 Interventional Results available

A Research Study Looking at How Safe Somapacitan is and How Well it Works in Children Who Need Help to Grow - REAL 9

NCT05723835
View directory record Official record
Conditions
SGA, Turner Syndrome, Noonan Syndrome, ISS
Interventions
Somapacitan
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
10 Years to 18 Years
Enrollment
47 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
6
States / cities
Birmingham, Alabama • Sacramento, California • Centennial, Colorado + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Sep 17, 2026, 4:09 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 Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Multiple Gestation Study

NCT02278536
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Aug 25, 2019 · Synced Sep 17, 2026, 4:09 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 17, 2026, 4:09 AM EDT
Active, not recruiting Phase 3 Interventional Results available

A Trial of Setmelanotide in Acquired Hypothalamic Obesity

NCT05774756
View directory record Official record
Conditions
Hypothalamic Obesity
Interventions
Setmelanotide, Placebo
Drug
Lead sponsor
Rhythm Pharmaceuticals, Inc.
Industry
Eligibility
4 Years and older
Enrollment
143 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
16
States / cities
Birmingham, Alabama • San Diego, California • Aurora, Colorado + 11 more
Source: ClinicalTrials.gov public record
Updated Aug 9, 2026 · Synced Sep 17, 2026, 4:09 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 Sep 17, 2026, 4:09 AM EDT
Completed No phase listed Observational

Prenatal Screening for Down Syndrome With DNAFirst

NCT01966991
View directory record Official record
Conditions
Trisomy 21, Trisomy 18, Trisomy 13, Monosomy X
Interventions
Not listed
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 21, 2018 · Synced Sep 17, 2026, 4:09 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 Sep 17, 2026, 4:09 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 17, 2026, 4:09 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 Sep 17, 2026, 4:09 AM EDT
Recruiting Phase 4 Interventional

Tirzepatide in PWS, HO and GNSO

NCT06901245
View directory record Official record
Conditions
Prader-Willi Syndrome, Hypothalamic Obesity, Obesity/Therapy
Interventions
Tirzepatide
Drug
Lead sponsor
Grace Kim
Other
Eligibility
18 Years to 26 Years
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
3
States / cities
Saint Paul, Minnesota • Nashville, Tennessee • Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Sep 17, 2026, 4:09 AM EDT
Recruiting Not applicable Interventional

Gonadal Dysgenesis Tissue Cryopreservation for Fertility Preservation

NCT06518746
View directory record Official record
Conditions
Ovarian Cancer
Interventions
Cryopreservation of gonadal tissue
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Up to 30 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2031
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 17, 2025 · Synced Sep 17, 2026, 4:09 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 Sep 17, 2026, 4:09 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 Sep 17, 2026, 4:09 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 17, 2026, 4:09 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 17, 2026, 4:09 AM EDT
Recruiting No phase listed Observational

UTHealth Turner Syndrome Research Registry

NCT03185702
View directory record Official record
Conditions
Turner Syndrome
Interventions
Research genetic tests
Genetic
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
Female only
Enrollment
200 participants
Timeline
2015 – 2035
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Nov 27, 2023 · Synced Sep 17, 2026, 4:09 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 17, 2026, 4:09 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 17, 2026, 4:09 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 Sep 17, 2026, 4:09 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 17, 2026, 4:09 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 17, 2026, 4:09 AM EDT