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ClinicalTrials.gov public records Last synced Sep 26, 2026, 10:47 PM EDT

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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Turners Syndrome Clear all
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 21, 2026 · Synced Sep 26, 2026, 10:47 PM 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 Aug 5, 2026 · Synced Sep 26, 2026, 10:47 PM 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 Sep 26, 2026, 10:47 PM EDT
Active, not recruiting Phase 3 Interventional

A Research Study to Compare Somapacitan Once a Week With Norditropin® Once a Day in Children Who Need Help to Grow

NCT05330325
View directory record Official record
Conditions
SGA, Turner Syndrome, Noonan Syndrome, ISS
Interventions
Somapacitan, Norditropin®
Drug
Lead sponsor
Novo Nordisk A/S
Industry
Eligibility
2 Years to 10 Years
Enrollment
412 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
35
States / cities
Birmingham, Alabama • Los Angeles, California • Sacramento, California + 32 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2026 · Synced Sep 26, 2026, 10:47 PM 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 26, 2026, 10:47 PM 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 Sep 26, 2026, 10:47 PM EDT
Withdrawn Not applicable Interventional Accepts healthy volunteers

Effect of Turner Syndrome on Number Sense

NCT03459651
View directory record Official record
Conditions
Turner Syndrome
Interventions
ANS training
Behavioral
Lead sponsor
Stanford University
Other
Eligibility
6 Years to 40 Years · Female only
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 8, 2022 · Synced Sep 26, 2026, 10:47 PM EDT
Completed Phase 4 Interventional Results available

Long-Term Growth and Skeletal Effects of Early Growth Hormone Treatment in Turner Syndrome

NCT00266656
View directory record Official record
Conditions
Turner Syndrome
Interventions
Humatrope
Drug
Lead sponsor
Eli Lilly and Company
Industry
Eligibility
4 Years to 20 Years · Female only
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2015
U.S. locations
9
States / cities
Los Angeles, California • Aurora, Colorado • Hartford, Connecticut + 6 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2017 · Synced Sep 26, 2026, 10:47 PM 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 26, 2026, 10:47 PM EDT
Completed Phase 2 Interventional Results available

Open-Label Study of Setmelanotide in Hypothalamic Obesity

NCT04725240
View directory record Official record
Conditions
Hypothalamic Obesity
Interventions
Setmelanotide
Drug
Lead sponsor
Rhythm Pharmaceuticals, Inc.
Industry
Eligibility
6 Years to 40 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
5
States / cities
San Diego, California • Gainesville, Florida • Saint Paul, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 6, 2025 · Synced Sep 26, 2026, 10:47 PM 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 26, 2026, 10:47 PM 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 26, 2026, 10:47 PM 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 Sep 26, 2026, 10:47 PM EDT
Active, not recruiting Phase 2 Interventional

A Trial to Investigate Different Doses of Lonapegsomatropin Compared to Somatropin in Individuals With Turner Syndrome

NCT05690386
View directory record Official record
Conditions
Turner Syndrome
Interventions
Lonapegsomatropin, Somatropin
Biological · Drug
Lead sponsor
Ascendis Pharma Endocrinology Division A/S
Industry
Eligibility
1 Year to 10 Years · Female only
Enrollment
48 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
19
States / cities
Palo Alto, California • San Diego, California • Aurora, Colorado + 16 more
Source: ClinicalTrials.gov public record
Updated May 12, 2026 · Synced Sep 26, 2026, 10:47 PM 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 26, 2026, 10:47 PM 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 26, 2026, 10:47 PM EDT
Completed Phase 2 Interventional

The Effects of Hormones in Growth Hormone-Treated Girls With Turner Syndrome

NCT00001343
View directory record Official record
Conditions
Dwarfism, Turner's Syndrome
Interventions
Humatrope, Oxandrolone
Drug
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
10 Years to 14 Years · Female only
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1992 – 2007
U.S. locations
2
States / cities
Bethesda, Maryland • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 26, 2026, 10:47 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Micro RNAs as a Marker of Aortic Aneurysm in Hereditary Aortopathy Syndromes

NCT02213484
View directory record Official record
Conditions
Marfan Syndrome, Loeys-Dietz Syndrome, Thoracic Aortic Aneurysm and Dissection Syndromes, Ehlers-Danlos Type IV Syndrome, Turner Syndrome
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
30 Days to 60 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
2
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Mar 14, 2017 · Synced Sep 26, 2026, 10:47 PM 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 26, 2026, 10:47 PM 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 Sep 26, 2026, 10:47 PM EDT
Terminated No phase listed Observational

Clinical Performance of the MaterniT21 PLUS LDT in Multiple Gestation Pregnancies

NCT02226315
View directory record Official record
Conditions
Down Syndrome, Edwards Syndrome, Patau Syndrome, Turner Syndrome
Interventions
Not listed
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 16, 2015 · Synced Sep 26, 2026, 10:47 PM EDT
Completed Phase 2 Interventional

A Study to Assess Efficacy and Safety of LB54640 in Patients With Hypothalamic Obesity

NCT06046443
View directory record Official record
Conditions
Hypothalamic Obesity
Interventions
LB54640, Placebo
Drug
Lead sponsor
Rhythm Pharmaceuticals, Inc.
Industry
Eligibility
12 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
7
States / cities
Aurora, Colorado • Iowa City, Iowa • Boston, Massachusetts + 4 more
Source: ClinicalTrials.gov public record
Updated Feb 11, 2026 · Synced Sep 26, 2026, 10:47 PM 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 26, 2026, 10:47 PM 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 26, 2026, 10:47 PM EDT