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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
Completed No phase listed Observational

Comparison of Aneuploidy Risk Evaluations

NCT01663350
View directory record Official record
Conditions
Pregnancy, Down Syndrome, Edwards Syndrome, Patau Syndrome, Turners Syndrome
Interventions
Not listed
Lead sponsor
Verinata Health, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
26
States / cities
San Diego, California • Atlanta, Georgia • Chicago, Illinois + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 15, 2013 · Synced Jul 23, 2026, 1:45 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 Jul 23, 2026, 1:45 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 Jul 23, 2026, 1:45 PM EDT
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 Jul 23, 2026, 1:45 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 Jul 23, 2026, 1:45 PM 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 23, 2026, 1:45 PM 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 23, 2026, 1:45 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 Jul 23, 2026, 1:45 PM 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 May 28, 2026 · Synced Jul 23, 2026, 1:45 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 Jul 23, 2026, 1:45 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 Jul 23, 2026, 1:45 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 Jul 23, 2026, 1:45 PM 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 23, 2026, 1:45 PM EDT
Recruiting No phase listed Observational

Inspiring New Science In Guiding Healthcare in Turner Syndrome Registry

NCT05052606
View directory record Official record
Conditions
Turner Syndrome
Interventions
No intervention
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Female only
Enrollment
5,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
10
States / cities
Aurora, Colorado • Washington D.C., District of Columbia • Glenview, Illinois + 7 more
Source: ClinicalTrials.gov public record
Updated Sep 30, 2024 · Synced Jul 23, 2026, 1:45 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 Jul 23, 2026, 1:45 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 Jul 23, 2026, 1:45 PM 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 23, 2026, 1:45 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 Jul 23, 2026, 1:45 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 Jul 23, 2026, 1:45 PM 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 23, 2026, 1:45 PM 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 Jul 23, 2026, 1:45 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

High Risk Multiple Gestation Study

NCT02278874
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
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
Source: ClinicalTrials.gov public record
Updated Jun 12, 2019 · Synced Jul 23, 2026, 1:45 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 May 12, 2026 · Synced Jul 23, 2026, 1:45 PM EDT
Completed Phase 2 Interventional Results available

Weight Loss Study for Patients With Obesity Due to Craniopharyngioma or Other Brain Tumor

NCT01484873
View directory record Official record
Conditions
Obesity, Overweight, Craniopharyngioma
Interventions
Exenatide
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 40 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 2, 2017 · Synced Jul 23, 2026, 1:45 PM EDT