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ClinicalTrials.gov public records Last synced Oct 22, 2026, 3:35 AM EDT

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Showing 409–432 of 559 matching trials from the live ClinicalTrials.gov search.
Completed No phase listed Observational Accepts healthy volunteers

Vascular Health and Risk Factors in Children With Down Syndrome

NCT04735874
Conditions
Down Syndrome, Cardiovascular Risk Factor, Atherosclerosis
Interventions
Evaluate vascular disease risk factors in children with Down Syndrome, Determine the associations between cardiovascular disease risk factors and markers of early atherosclerosis in children with Down Syndrome
Other
Lead sponsor
University of Utah
Other
Eligibility
10 Years to 18 Years
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Salt Lake City, Utah
Conditions
Down Syndrome
Interventions
Hip Helpers home program
Other
Lead sponsor
University of St. Augustine for Health Sciences
Other
Eligibility
3 Months to 15 Months
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
San Marcos, California • Saint Augustine, Florida • Austin, Texas
Conditions
Down Syndrome, Polyendocrinopathies, Autoimmune, Respiratory Tract Infections, Autoimmunity
Interventions
Phlebotomy
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Up to 22 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Denver, Colorado
Conditions
Down Syndrome, Cognitive Dysfunction
Interventions
Aricept (Donepezil hydrochloride), Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
6 Years to 10 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
San Antonio, Texas • Herndon, Virginia
Conditions
Obstructive Sleep Apnea, Down Syndrome
Interventions
Atomoxetine and oxybutynin (ato-oxy)
Drug
Lead sponsor
University of Arizona
Other
Eligibility
6 Years to 17 Years
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2022
U.S. locations
1
States / cities
Tucson, Arizona
Active, not recruiting No phase listed Observational

Pathogenetic Basis of Aortopathy and Aortic Valve Disease

NCT03440697
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
Completed No phase listed Observational Accepts healthy volunteers

Risk of Diabetes in Young Turner Syndrome Patients

NCT02160717
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
Conditions
Klinefelter Syndrome
Interventions
Fenofibrate 145 mg
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
15 Years to 40 Years · Male only
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Completed Phase 1Phase 2 Interventional Results available

Rivastigmine Study in Adolescents With Down Syndrome

NCT01084135
Conditions
Down Syndrome
Interventions
Rivastigmine, Liquid Placebo
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
10 Years to 17 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
2
States / cities
Baltimore, Maryland • Durham, North Carolina
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
Conditions
Fragile X Syndrome
Interventions
STX107
Drug
Lead sponsor
Seaside Therapeutics, Inc.
Industry
Eligibility
18 Years to 50 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
1
States / cities
Madison, Wisconsin
Completed No phase listed Observational Accepts healthy volunteers

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

NCT02213484
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
Recruiting Not applicable Interventional Accepts healthy volunteers

Gamma Frequency Stimulation in Individuals With Down Syndrome

NCT05196984
Conditions
Down Syndrome
Interventions
GENUS device (Active Settings), GENUS device (Sham Settings)
Device
Lead sponsor
Massachusetts Institute of Technology
Other
Eligibility
25 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Cambridge, Massachusetts
Conditions
Down Syndrome
Interventions
ELND005, Placebo
Drug
Lead sponsor
OPKO Health, Inc.
Industry
Eligibility
18 Years to 45 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2014
U.S. locations
3
States / cities
La Jolla, California • Orange, California • Boston, Massachusetts
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
Not listed No phase listed Observational Accepts healthy volunteers

Non-Invasive Determination of Fetal Chromosome Abnormalities

NCT00891852
Conditions
Down Syndrome (Trisomy 21), Edward's Syndrome (Trisomy 18), Patau Syndrome (Trisomy 13), Klinefelter Syndrome (47, XXY), and Other Chromosome, Abnormalities.
Interventions
Not listed
Lead sponsor
Lenetix Medical Screening Laboratory
Industry
Eligibility
18 Years and older · Female only
Enrollment
1,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009
U.S. locations
7
States / cities
Rockville, Maryland • Moristown, New Jersey • Mineola, New York + 3 more
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
Conditions
Fragile X Syndrome
Interventions
AFQ056
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
3 Years to 11 Years
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
3
States / cities
Sacramento, California • Chicago, Illinois • Nashville, Tennessee
Conditions
Telomeric 22Q13 Monosomy Syndrome, Tuberous Sclerosis, Hamartoma Syndrome, Multiple, Fragile X Syndrome, Angelman Syndrome, Rett Syndrome, Chromosome 15Q, Partial Deletion, Creatine Deficiency, X-linked
Interventions
Functional Behavioral Training (FBT), Positive Parenting Strategies-Treatment as Usual
Behavioral · Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
2 Years to 12 Years
Enrollment
79 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2027
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Angelman Syndrome
Interventions
GTX-102
Drug
Lead sponsor
Ultragenyx Pharmaceutical Inc
Industry
Eligibility
4 Years to 17 Years
Enrollment
74 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
6
States / cities
Los Angeles, California • San Diego, California • Atlanta, Georgia + 3 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Balance Bike Training in Down Syndrome

NCT03677245
Conditions
Down Syndrome, Postural Balance
Interventions
Strider Balance Bike
Other
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
5 Years to 17 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2019
U.S. locations
1
States / cities
Flowood, Mississippi
Conditions
Down Syndrome, Alzheimer Disease
Interventions
Remote Low, Remote High, Personal Coach
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Fragile X Syndrome
Interventions
Aripiprazole
Drug
Lead sponsor
Indiana University
Other
Eligibility
5 Years to 35 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2010
U.S. locations
1
States / cities
Indianapolis, Indiana
Conditions
Epilepsy; Seizure, Neuromuscular Diseases, Brain Malformation, Intellectual Disability, Autism Spectrum Disorder, Hypotonia, Inborn Errors of Metabolism, Movement Disorders, Genetic Disease, Development Delay, Chromosome Abnormality, Hearing Loss, Dysmorphic Features, Skeletal Dysplasia, Congenital Abnormality, Microcephaly, Macrocephaly
Interventions
Pre-visit prep, usual care + exome seq
Behavioral · Diagnostic Test
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
0 Years and older
Enrollment
548 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2024
U.S. locations
3
States / cities
Asheville, North Carolina • Chapel Hill, North Carolina • Greenville, North Carolina