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ClinicalTrials.gov public records Last synced Oct 20, 2026, 11:08 PM EDT

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Showing 121–144 of 212 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Trisomy 21 Clear all
Recruiting Phase 2 Interventional Accepts healthy volunteers

Cholinergic Integrity in Down Syndrome in Association With Aging, Alzheimer's Disease Pathology, and Cognition

NCT05231798
View directory record Official record
Conditions
Down Syndrome, Down Syndrome, Partial Trisomy 21, Alzheimer Disease
Interventions
[18F]-FEOBV Radiotracer
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 22, 2026 · Synced Oct 20, 2026, 11:08 PM EDT
Completed Not applicable Interventional Results available

Promotion of Physical Activity in Adolescents With Intellectual and Developmental Disabilities

NCT03684512
View directory record Official record
Conditions
Adolescent Behavior, Intellectual Disability, Down Syndrome, Physical Activity
Interventions
Group Exercise Sessions, Individual Support Sessions, Facebook Group
Behavioral
Lead sponsor
University of Kansas
Other
Eligibility
10 Years to 21 Years
Enrollment
116 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
1
States / cities
Lawrence, Kansas
Source: ClinicalTrials.gov public record
Updated Jul 3, 2023 · Synced Oct 20, 2026, 11:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Blood Flow Regulation in Individuals With Down Syndrome - Training Study

NCT04854122
View directory record Official record
Conditions
Down Syndrome
Interventions
Combined exercise intervention, Usual care / Sham intervention
Behavioral
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 35 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Feb 4, 2026 · Synced Oct 20, 2026, 11:08 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Non-Invasive Chromosomal Evaluation of Trisomy Study

NCT02201862
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 30, 2020 · Synced Oct 20, 2026, 11:08 PM EDT
Completed No phase listed Observational

VAlidation of a Lower Cost aneUploidy scrEen

NCT03087357
View directory record Official record
Conditions
Down Syndrome, Trisomy 18, Trisomy 13
Interventions
SmartNIPT
Other
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years and older · Female only
Enrollment
2,443 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2020
U.S. locations
13
States / cities
Los Angeles, California • Aurora, Colorado • Bridgeport, Connecticut + 9 more
Source: ClinicalTrials.gov public record
Updated Sep 22, 2022 · Synced Oct 20, 2026, 11:08 PM EDT
Recruiting Phase 4 Interventional

Endotype DIrected Treatment for OSA in Down Syndrome

NCT07280468
View directory record Official record
Conditions
Obstructive Sleep Apnea (OSA), Down Syndrome
Interventions
ato-oxy, Oxygen
Drug
Lead sponsor
University of Arizona
Other
Eligibility
6 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
5
States / cities
Tucson, Arizona • San Diego, California • Miami, Florida + 2 more
Source: ClinicalTrials.gov public record
Updated Sep 3, 2026 · Synced Oct 20, 2026, 11:08 PM EDT
Completed No phase listed Observational

Prenatal Screening for Down Syndrome With DNAFirst

NCT01966991
View directory record Official record
Conditions
Trisomy 21, Trisomy 18, Trisomy 13, Monosomy X
Interventions
Not listed
Lead sponsor
Women and Infants Hospital of Rhode Island
Other
Eligibility
18 Years and older · Female only
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Providence, Rhode Island
Source: ClinicalTrials.gov public record
Updated Feb 22, 2018 · Synced Oct 20, 2026, 11:08 PM EDT
Completed No phase listed Observational

Noninvasive Screening for Affected Pregnancies: Assay Development & Optimization in Affected Pregnancies

NCT01052688
View directory record Official record
Conditions
Down Syndrome, Aneuploidy
Interventions
Maternal blood draw of 30 to 50ml
Other
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
Female only
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2021
U.S. locations
10
States / cities
Phoenix, Arizona • San Diego, California • Washington D.C., District of Columbia + 3 more
Source: ClinicalTrials.gov public record
Updated Sep 20, 2021 · Synced Oct 20, 2026, 11:08 PM EDT
Terminated Phase 2 Interventional Results available

Evaluating The Safety Of Donepezil Hydrochloride (Aricept) For Up To 1 Year In The Treatment Of The Cognitive Dysfunction Exhibited By Children With Down Syndrome - Follow-Up To A 10-Week, Double-Blind, Placebo-Controlled Trial

NCT00675025
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Mar 29, 2021 · Synced Oct 20, 2026, 11:08 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Glucose Metabolic, Amyloid, and Tau Brain Imaging in Down Syndrome and Dementia

NCT00966017
View directory record Official record
Conditions
Down Syndrome, Alzheimer's Disease
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
45 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 29, 2009 · Synced Oct 20, 2026, 11:08 PM EDT
Completed No phase listed Observational

Goal Attainment Scaling (GAS) Sub-Study

NCT06484426
View directory record Official record
Conditions
Alzheimer's Disease in Down Syndrome
Interventions
Not listed
Lead sponsor
LuMind IDSC Foundation
Other
Eligibility
35 Years and older
Enrollment
46 participants
Timeline
2021 – 2024
U.S. locations
5
States / cities
San Diego, California • Park Ridge, Illinois • Baltimore, Maryland + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 3, 2024 · Synced Oct 20, 2026, 11:08 PM EDT
Completed Not applicable Interventional

Hippotherapy to Improve the Balance of Children With Movement Disorders

NCT01313325
View directory record Official record
Conditions
Neuromuscular Diseases, Cerebral Palsy, Down Syndrome, Autism, Developmental Coordination Disorder
Interventions
Hippotherapy
Other
Lead sponsor
Central Michigan University
Other
Eligibility
5 Years to 17 Years
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Dansville, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 11, 2011 · Synced Oct 20, 2026, 11:08 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Blood Flow and Blood Pressure Investigation in Down Syndrome

NCT05528549
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Apr 18, 2024 · Synced Oct 20, 2026, 11:08 PM EDT
Completed Phase 2 Interventional Results available

A 4-Week Safety Study of Oral ELND005 in Young Adults With Down Syndrome Without Dementia

NCT01791725
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Nov 4, 2019 · Synced Oct 20, 2026, 11:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Evaluation of a Decision Assisting Tool for Prenatal Testing

NCT00686062
View directory record Official record
Conditions
Pregnancy
Interventions
Control - computerized age-appropriate prenatal testing educational brochure, PT Tool - interactive, computerized, prenatal testing decision tool
Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
16 Years to 50 Years · Female only
Enrollment
494 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2004
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated May 29, 2008 · Synced Oct 20, 2026, 11:08 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Nicotine Treatment of Cognitive Decline in Down Syndrome

NCT01778946
View directory record Official record
Conditions
Down Syndrome, Mild Cognitive Impairment
Interventions
Low Dose Nicotine (7mg), Moderate Dose Nicotine (14mg)
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
25 Years and older
Enrollment
7 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2021
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 10, 2022 · Synced Oct 20, 2026, 11:08 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Digital Dysmorphology Project

NCT02651493
View directory record Official record
Conditions
Down Syndrome
Interventions
photographs
Device
Lead sponsor
Kevin Cleary
Other
Eligibility
Up to 18 Years
Enrollment
750 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2023
U.S. locations
1
States / cities
Washington D.C., District of Columbia
Source: ClinicalTrials.gov public record
Updated Feb 1, 2023 · Synced Oct 20, 2026, 11:08 PM EDT
Completed Not applicable Interventional

Up, Down, and All Around: Evaluating Mobility Devices for Young Children With Developmental Disabilities and Delays

NCT06591559
View directory record Official record
Conditions
Down Syndrome, Gross Motor Delay, Cerebral Palsy
Interventions
Permobil Explorer Mini, Portable Mobility Aid for Children (PUMA)
Device
Lead sponsor
University of Washington
Other
Eligibility
12 Months to 60 Months
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Oct 20, 2026, 11:08 PM EDT
Completed Not applicable Interventional Results available

Treadmill Training and Orthotic Use in Infants With Down Syndrome

NCT00825175
View directory record Official record
Conditions
Down Syndrome
Interventions
Treadmill Training, Supramalleolar Orthoses
Behavioral · Device
Lead sponsor
University of Michigan
Other
Eligibility
6 Months to 36 Months
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 4, 2017 · Synced Oct 20, 2026, 11:08 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Phenotypic Specific Communication Intervention for Children With Down Syndrome

NCT02158390
View directory record Official record
Conditions
Language Impairment, Down Syndrome
Interventions
Jasper-EMT with words and AAC
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
30 Months to 54 Months
Enrollment
78 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
2
States / cities
Los Angeles, California • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jul 12, 2018 · Synced Oct 20, 2026, 11:08 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Comparison of a Demand Oxygen Delivery

NCT06609694
View directory record Official record
Conditions
Obstructive Apnea
Interventions
Portable oxygen concentrator Inogen G5 model
Device
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
5 Years to 17 Years
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2028
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jan 7, 2026 · Synced Oct 20, 2026, 11:08 PM EDT
Terminated No phase listed Observational

Evaluation of Ocular Lens Proteins in Cataract From Individuals With Down Syndrome

NCT03778528
View directory record Official record
Conditions
Cataract, Down Syndrome
Interventions
cataract surgery
Procedure
Lead sponsor
University of Colorado, Denver
Other
Eligibility
1 Month to 18 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jul 7, 2020 · Synced Oct 20, 2026, 11:08 PM EDT
Active, not recruiting Phase 3 Interventional Results available

Response-Based Chemotherapy in Treating Newly Diagnosed Acute Myeloid Leukemia or Myelodysplastic Syndrome in Younger Patients With Down Syndrome

NCT02521493
View directory record Official record
Conditions
Acute Myeloid Leukemia, Down Syndrome, Myelodysplastic Syndrome, Myeloid Leukemia Associated With Down Syndrome, Myeloproliferative Neoplasm
Interventions
Asparaginase, Asparaginase Erwinia chrysanthemi, Cytarabine, Daunorubicin Hydrochloride, Etoposide, Laboratory Biomarker Analysis, Mitoxantrone Hydrochloride, Thioguanine
Drug · Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
91 Days to 3 Years
Enrollment
280 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2027
U.S. locations
169
States / cities
Birmingham, Alabama • Anchorage, Alaska • Mesa, Arizona + 131 more
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 20, 2026, 11:08 PM EDT
Completed Not applicable Interventional

Assessment of Bone Density and Bone Turnover Markers in Patients With Down Syndrome and Comparison to the Ts65Dn Model

NCT01148121
View directory record Official record
Conditions
Down Syndrome
Interventions
Skeletal Status Assessment of a Down Syndrome Population
Other
Lead sponsor
University of Arkansas
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
1
States / cities
Little Rock, Arkansas
Source: ClinicalTrials.gov public record
Updated Dec 7, 2016 · Synced Oct 20, 2026, 11:08 PM EDT