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ClinicalTrials.gov public records Last synced Oct 20, 2026, 7:04 PM EDT

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Showing 73–96 of 212 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Trisomy 21 Clear all
Recruiting Phase 2 Interventional

Metric-Optimized Spectacle Prescriptions for Children With Down Syndrome

NCT07490444
View directory record Official record
Conditions
Refractive Error Correction, Visual Acuity
Interventions
Metric-optimized spectacles, Routine Clinical Spectacles
Device
Lead sponsor
Ohio State University
Other
Eligibility
5 Years to 12 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 20, 2026 · Synced Oct 20, 2026, 7:04 PM EDT
Recruiting Phase 3 Interventional

Compassionate Use Study of Epi-ON Corneal Collagen Crosslinking Performed Using UVA Exposure on Eyes With Ectatic Corneal Diseases for Subjects With Down Syndrome

NCT07135167
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Feb 2, 2026 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Not applicable Interventional Results available

Weight Management for Adolescents With IDD

NCT02561754
View directory record Official record
Conditions
Developmental Disabilities, Weight Loss, Body Weight, Down Syndrome, Body Weight Changes, Intellectual Disability
Interventions
Enhanced Stop Light Diet (eSLD), Conventional Diet (CD), Face-to-face (FTF), Technology (TECH), iPad with FaceTime
Dietary Supplement · Behavioral · Other
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
13 Years to 21 Years
Enrollment
110 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2021
U.S. locations
2
States / cities
Kansas City, Kansas • Lawrence, Kansas
Source: ClinicalTrials.gov public record
Updated Feb 10, 2023 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Oxygen Uptake Kinetics During Submaximal Exercise in Adults With Down Syndrome

NCT05995223
View directory record Official record
Conditions
Down Syndrome
Interventions
Submaximal exercise protocol
Other
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 35 Years
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Jul 1, 2024 · Synced Oct 20, 2026, 7:04 PM EDT
Recruiting Phase 2 Interventional

Modulation of the Immune System in Down Syndrome for Improved Outcomes and Neurodevelopment - 1

NCT07598643
View directory record Official record
Conditions
Down Syndrome
Interventions
Tofacitinib Oral Solution, Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
6 Years to 22 Years
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 20, 2026, 7:04 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 17, 2015 · Synced Oct 20, 2026, 7:04 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Rocky Mountain Alzheimer's Disease Center Longitudinal Biomarker and Clinical Phenotyping Study

NCT02612376
View directory record Official record
Conditions
Alzheimer Disease, Down Syndrome, Mild Cognitive Impairment
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years and older
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jun 3, 2025 · Synced Oct 20, 2026, 7:04 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Training Balance Among People With Neurodevelopmental Disabilities

NCT04293120
View directory record Official record
Conditions
Posture, Balance, Cerebral Palsy, Autism, Down Syndrome
Interventions
Training with weighted ball
Other
Lead sponsor
University of Hartford
Other
Eligibility
8 Years to 25 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020
U.S. locations
1
States / cities
West Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated Jun 1, 2021 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Not applicable Interventional Results available

A Pilot Study to Evaluate the Hypoglossal Nerve Stimulator in Adolescents With Down Syndrome and Obstructive Sleep Apnea

NCT02344108
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 12, 2022 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Building Sentences With Preschoolers Who Use AAC

NCT03538925
View directory record Official record
Conditions
Down Syndrome, Speech and Language Disorder, Speech Disorders in Children, Speech Intelligibility, Speech Sound Disorder
Interventions
AAC Generative Language Intervention, Standard of Care / Business as Usual
Behavioral
Lead sponsor
University of Central Florida
Other
Eligibility
3 Years to 4 Years
Enrollment
70 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2023
U.S. locations
2
States / cities
Orlando, Florida • Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Jan 8, 2024 · Synced Oct 20, 2026, 7:04 PM EDT
Withdrawn Phase 2 Interventional

Trial to Evaluate Safety and Efficacy of GM-CSF /Sargramostim in Down Syndrome

NCT05482334
View directory record Official record
Conditions
Down Syndrome
Interventions
Sargramostim for Injection, Saline Placebo
Drug
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 35 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Apr 2, 2025 · Synced Oct 20, 2026, 7:04 PM EDT
Withdrawn Phase 2 Interventional

Liq-NOL Efficacy in Pediatric Patients With Down Syndrome

NCT00891917
View directory record Official record
Conditions
Down Syndrome
Interventions
Ubiquinol-10 Syrup, syrup (placebo)
Dietary Supplement
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 16 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Sep 9, 2020 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Not applicable Interventional

Investigating the Impact of JASPER Behavioral Therapy in Children With Down Syndrome

NCT05638412
View directory record Official record
Conditions
Down Syndrome
Interventions
JASPER, Psychoeducational Curriculum
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
36 Months to 90 Months
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2025
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 13, 2026 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Not applicable Interventional

JASPER Intervention in Down Syndrome

NCT03653143
View directory record Official record
Conditions
Down Syndrome, Trisomy 21
Interventions
JASPER
Behavioral
Lead sponsor
Boston Children's Hospital
Other
Eligibility
24 Months to 48 Months
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jan 18, 2022 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Not applicable Interventional

Positive Airway Pressure (PAP) for Children With Down Syndrome (DS) and Obstructive Sleep Apnea Syndrome (OSAS)

NCT04132999
View directory record Official record
Conditions
Down Syndrome, Obstructive Sleep Apnea
Interventions
Family-informed intervention, Standard Clinical Care
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
6 Years to 18 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2025
U.S. locations
3
States / cities
Miami, Florida • Cincinnati, Ohio • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Not applicable Interventional Results available

Spectacles for Patients With Down Syndrome

NCT03367793
View directory record Official record
Conditions
Vision, Low
Interventions
Spectacles - Clinically Derived, Spectacles - Metric Technique #1 Derived, Spectacles - Metric Technique #2 Derived
Device
Lead sponsor
University of Houston
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Oct 25, 2021 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Social Support and Stress Reduction for Caregivers of Young Adults With IDD

NCT05938998
View directory record Official record
Conditions
Burden, Caregiver
Interventions
Yoga; Support Group
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 12, 2025 · Synced Oct 20, 2026, 7:04 PM EDT
Completed No phase listed Observational

Verification of Risk Assignment for Whole Chromosome Using SNP-based NIPT in Vanishing Twin Pregnancies

NCT05004337
View directory record Official record
Conditions
Vanishing Twin, Trisomy 21, Trisomy 13, Trisomy 18
Interventions
Not listed
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
136 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
21
States / cities
Los Angeles, California • Palo Alto, California • Aurora, Colorado + 15 more
Source: ClinicalTrials.gov public record
Updated Aug 17, 2026 · Synced Oct 20, 2026, 7:04 PM EDT
Completed No phase listed Observational

Down Syndrome Autonomic Nervous System Induction Bradycardia

NCT05120531
View directory record Official record
Conditions
Down Syndrome, Bradycardia
Interventions
Monitoring patients undergoing surgery to look for association between ANS activity and bradycardia
Other
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Month to 8 Years
Enrollment
195 participants
Timeline
2022 – 2023
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Dec 15, 2023 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Not applicable Interventional

Intensive Dysarthria Sessions in Adults and Children With Down Syndrome

NCT01684670
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 23, 2016 · Synced Oct 20, 2026, 7:04 PM EDT
Terminated Phase 3 Interventional

LIFE-DSR-Biomarker Sub-study of Biomarkers in Down Syndrome Related Alzheimer's Disease (DS-AD)

NCT06860373
View directory record Official record
Conditions
Down Syndrome
Interventions
[18F]MK-6240
Biological
Lead sponsor
LuMind IDSC Foundation
Other
Eligibility
35 Years to 55 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Mar 6, 2025 · Synced Oct 20, 2026, 7:04 PM EDT
Recruiting No phase listed Observational Accepts healthy volunteers

Pharmacokinetics, Pharmacodynamics, and Safety Profile of Understudied Drugs Administered to Children Per Standard of Care (POPS)

NCT04278404
View directory record Official record
Conditions
Coronavirus Infection (COVID-19), Pulmonary Arterial Hypertension, Urinary Tract Infections in Children, Hypertension, Pain, Hyperphosphatemia, Primary Hyperaldosteronism, Edema, Hypokalemia, Heart Failure, Hemophilia, Menorrhagia, Insomnia, Pneumonia, Skin Infection, Arrythmia, Asthma in Children, Bronchopulmonary Dysplasia, Adrenal Insufficiency, Fibrinolysis; Hemorrhage, Attention Deficit Hyperactivity Disorder, Multisystem Inflammatory Syndrome in Children (MIS-C), Kawasaki Disease, Coagulation Disorder, Down Syndrome
Interventions
The POP02 study is collecting bodily fluid samples (i.e., whole blood, effluent samples) of children prescribed the following drugs of interest per standard of care:
Drug
Lead sponsor
Duke University
Other
Eligibility
0 Years to 20 Years
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2026
U.S. locations
49
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 40 more
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Strategies for Teaching Verbs

NCT03441685
View directory record Official record
Conditions
Language Development Disorders, Down Syndrome, Child Language
Interventions
Semantic cues (perform action), syntactic cues (sentence frame), or combined semantic and syntactic cues
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
3 Years to 17 Years
Enrollment
44 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 7, 2024 · Synced Oct 20, 2026, 7:04 PM EDT
Completed Not applicable Interventional

Delivering Early Intervention to Children With Down Syndrome

NCT03935620
View directory record Official record
Conditions
Down Syndrome
Interventions
Enhanced Milieu teaching
Behavioral
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Months to 36 Months
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 2, 2022 · Synced Oct 20, 2026, 7:04 PM EDT