Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 22, 2026, 4:00 AM EDT

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Showing 289–312 of 363 matching trials from the live ClinicalTrials.gov search.
Conditions
Prader-Willi Syndrome
Interventions
CSTI-500
Drug
Lead sponsor
ConSynance Therapeutics
Industry
Eligibility
13 Years to 50 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Conditions
Down Syndrome (DS), Keratoconus, Pellucid Marginal Degeneration, Forme Fruste Keratoconus (FFK)
Interventions
Epi-ON corneal cross-linking (CXL)
Combination Product
Lead sponsor
Woolfson Eye Institute
Other
Eligibility
8 Years and older
Enrollment
225 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
12
States / cities
Atlanta, Georgia • Canton, Georgia • Cumming, Georgia + 8 more
Conditions
Prader-Willi Syndrome, Hyperphagia
Interventions
Livoletide, Placebo
Drug
Lead sponsor
Millendo Therapeutics SAS
Industry
Eligibility
4 Years to 65 Years
Enrollment
158 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
15
States / cities
Birmingham, Alabama • Orange, California • San Diego, California + 12 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

Assessing Malleability of Spatial Abilities in Down Syndrome

NCT05332912
Conditions
Down Syndrome
Interventions
Spatial Ability Experience
Behavioral
Lead sponsor
University of Alabama, Tuscaloosa
Other
Eligibility
4 Years to 25 Years
Enrollment
84 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Tuscaloosa, Alabama
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Validation of Sleep Questionnaires in the Down Syndrome Population

NCT03771469
Conditions
Obstructive Sleep Apnea, Down Syndrome
Interventions
Sleep study
Other
Lead sponsor
Oregon Health and Science University
Other
Eligibility
2 Years to 17 Years
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
Portland, Oregon
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
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Tucson, Arizona
Conditions
Dysarthria, Down Syndrome
Interventions
Speech sessions
Behavioral
Lead sponsor
Duke University
Other
Eligibility
8 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Multiple Sclerosis
Interventions
kinesio tape
Other
Lead sponsor
Northern Illinois University
Other
Eligibility
18 Years to 50 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
DeKalb, Illinois
Recruiting No phase listed Observational Accepts healthy volunteers

Vascular Function in Adults With Down Syndrome

NCT07630207
Conditions
Down Syndrome (Trisomy 21)
Interventions
Not listed
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 35 Years
Enrollment
46 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
1
States / cities
Las Vegas, Nevada
Completed Phase 3 Interventional Accepts healthy volunteers

Blood Flow and Blood Pressure Investigation in Down Syndrome

NCT05528549
Conditions
Down Syndrome
Interventions
Exercise
Other
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years to 45 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Chicago, Illinois
Conditions
Sleep Apnea, Obstructive, Down Syndrome
Interventions
Inspire® Upper Airway Simulation System (Model 3028 IPG )
Device
Lead sponsor
Christopher Hartnick, M.D.
Other
Eligibility
10 Years to 21 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
5
States / cities
Atlanta, Georgia • Boston, Massachusetts • Cincinnati, Ohio + 2 more
Conditions
Williams Syndrome, Angelman Syndrome, Prader-Willi Syndrome, Shprintzen Syndrome, Smith-Magenis Syndrome, DiGeorge Syndrome, Chromosome Abnormalities
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
0 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 1999
U.S. locations
1
States / cities
Houston, Texas
Active, not recruiting Phase 4 Interventional Accepts healthy volunteers

Evaluating Treatment of ADHD in Children With Down Syndrome

NCT04219280
Conditions
Down Syndrome, ADHD
Interventions
Quillivant XR, Placebo
Drug
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 17 Years
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
4
States / cities
Sacramento, California • Boston, Massachusetts • Cincinnati, Ohio + 1 more
Completed No phase listed Observational Accepts healthy volunteers

Non-Invasive Chromosomal Evaluation of Trisomy Study

NCT02201862
Conditions
Aneuploidy, Trisomy 21, Trisomy 18, Trisomy 13, Down Syndrome
Interventions
Not listed
Lead sponsor
Cindy Cisneros
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2019
U.S. locations
3
States / cities
San Diego, California • Oaks, Pennsylvania • Chattanooga, Tennessee
Conditions
Cornelia de Lange Syndrome
Interventions
Autonomic Dysfunction Testing
Other
Lead sponsor
Mayo Clinic
Other
Eligibility
8 Years to 18 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Rochester, Minnesota
Conditions
Spinal Cord Injuries, Stroke, Multiple Sclerosis
Interventions
Fatigue self-management SMS intervention
Behavioral
Lead sponsor
Washington University School of Medicine
Other
Eligibility
18 Years and older
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
St Louis, Missouri
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 8 Days
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Prader-Willi Syndrome
Interventions
Placebo, Tesomet
Other · Drug
Lead sponsor
Saniona
Industry
Eligibility
13 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Lansing, Michigan
Enrolling by invitation Not applicable Interventional Accepts healthy volunteers

Palliative Care Needs of Children With Rare Diseases and Their Families

NCT06938542
Conditions
Trisomy 13 Syndrome, Arthrogryposis Congenita Multiplex With Intestinal Atresia, Asparagine Synthetase Deficiency, CHARGE Syndrome, Early Infantile Epileptic Encephalopathy, FOXG1 Syndrome, KBG Syndrome, Noonan Syndrome, Severe Hemophilia A, Short Bowel Syndrome, Beta-Propeller Protein-Associated Neurodegeneration, Brain Injury of Prematurity With Periventricular Leukomalacia, Chromosome 17p13.3 Microdeletion Syndrome, Chromosome 1q43-1q44 Deletion, Cockayne Syndrome, Congenital Diaphragmatic Hernia, End-Stage Renal Disease With Cloacal Anomaly, Mitochondrial Depletion Disorder, Severe Factor VII Deficiency
Interventions
Family Centered pediatric palliative care for family caregivers of children with rare diseases.
Behavioral
Lead sponsor
Children's National Research Institute
Other
Eligibility
12 Months to 99 Years
Enrollment
480 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2029
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 1 Year
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Conditions
Prader-Willi Syndrome
Interventions
ARD-101
Drug
Lead sponsor
Aardvark Therapeutics, Inc.
Industry
Eligibility
17 Years to 65 Years
Enrollment
19 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
2
States / cities
Palo Alto, California • Aurora, Colorado
Conditions
Down Syndrome
Interventions
Donepezil hydrochloride (Aricept)
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
10 Years to 17 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
31
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 24 more
Conditions
Prader-Willi Syndrome
Interventions
Listening Project Protocol
Behavioral
Lead sponsor
Indiana University
Other
Eligibility
13 Years to 25 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Brewster, Massachusetts
Terminated No phase listed Observational Accepts healthy volunteers

Neuromuscular Characteristics of Individuals With Down Syndrome (DS)

NCT00643955
Conditions
Down Syndrome
Interventions
muscle strength
Other
Lead sponsor
State University of New York - Upstate Medical University
Other
Eligibility
18 Years to 45 Years
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2008
U.S. locations
1
States / cities
Syracuse, New York