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ClinicalTrials.gov public records Last synced Oct 21, 2026, 8:31 AM EDT

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Showing 1–24 of 219 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Down Syndrome Clear all
Completed Not applicable Interventional Accepts healthy volunteers

10-Week Physical Activity Program for Mothers of Children With Developmental Disabilities

NCT07182071
View directory record Official record
Conditions
Caregiver Burden
Interventions
Physical Activity Program, Waitlist for Physical Activity Program
Behavioral
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
25 Years to 50 Years · Female only
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Jun 5, 2026 · Synced Oct 21, 2026, 8:31 AM EDT
Recruiting Not applicable Interventional

Treatment of Obstructive Sleep Apnea With Personalized Surgery in Children With Down Syndrome (TOPS-DS)

NCT05508971
View directory record Official record
Conditions
Obstructive Sleep Apnea, Down Syndrome
Interventions
DISE-Directed Surgery, Adenotonsillectomy
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
2 Years to 17 Years
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
7
States / cities
Aurora, Colorado • Ann Arbor, Michigan • Cincinnati, Ohio + 4 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2026 · Synced Oct 21, 2026, 8:31 AM EDT
Active, not recruiting Not applicable Interventional

Effects of Hypoglossal Nerve Stimulation on Cognition and Language in Down Syndrome and Obstructive Sleep Apnea

NCT04801771
View directory record Official record
Conditions
Down Syndrome, Obstructive Sleep Apnea
Interventions
Inspire Upper Airway Stimulation (UAS) System
Device
Lead sponsor
Inspire Medical Systems, Inc.
Industry
Eligibility
10 Years to 21 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
8
States / cities
Atlanta, Georgia • Boston, Massachusetts • Cincinnati, Ohio + 5 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 21, 2026, 8:31 AM 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 13, 2019 · Synced Oct 21, 2026, 8:31 AM 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 21, 2026, 8:31 AM EDT
Terminated Phase 2 Interventional

A Study of RO5186582 in Down Syndrome Among Children 6 to 11 Years of Age

NCT02484703
View directory record Official record
Conditions
Down Syndrome
Interventions
Placebo, RO5186582
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
6 Years to 11 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
9
States / cities
Phoenix, Arizona • Decatur, Georgia • Chicago, Illinois + 5 more
Source: ClinicalTrials.gov public record
Updated Jul 6, 2017 · Synced Oct 21, 2026, 8:31 AM EDT
Completed Not applicable Interventional Results available

Decreasing Alzheimer's Risk Through oNline Choreographed Exercise - Down Syndrome

NCT06537648
View directory record Official record
Conditions
Down Syndrome, Physical Inactivity
Interventions
Decreasing Alzheimer's Risk Through oNline Choreographed Exercise - Down Syndrome Program
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 64 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Mar 13, 2026 · Synced Oct 21, 2026, 8:31 AM EDT
Recruiting Not applicable Interventional

Drumming Lessons' Influence on Children With Down Syndrome

NCT07156318
View directory record Official record
Conditions
Down Syndrome
Interventions
2 months of drumming lessons given by a professional drummer with extensive experience working with children with Down syndrome, Lessons after measurement
Behavioral
Lead sponsor
Vanderbilt University
Other
Eligibility
7 Years to 15 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 21, 2026, 8:31 AM 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 21, 2026, 8:31 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Phase II Study of Florbetaben (BAY94-9172) PET Imaging for Detection/Exclusion of Cerebral β-amyloid.

NCT00928304
View directory record Official record
Conditions
Down Syndrome, Amyloid Beta-protein
Interventions
Florbetaben (BAY94-9172)
Drug
Lead sponsor
Lantheus Biosciences Ltd.
Industry
Eligibility
21 Years and older
Enrollment
109 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
2
States / cities
Sun City, Arizona • New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 5, 2014 · Synced Oct 21, 2026, 8:31 AM EDT
Completed Phase 4 Interventional Results available

Fluoxetine Treatment of Depression in Down Syndrome

NCT05458479
View directory record Official record
Conditions
Down Syndrome, Depression
Interventions
Fluoxetine
Drug
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 45 Years
Enrollment
4 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
1
States / cities
Lexington, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 30, 2025 · Synced Oct 21, 2026, 8:31 AM EDT
Completed Not applicable Interventional

Investigating Trunk Control in Young Children With Down Syndrome

NCT03544840
View directory record Official record
Conditions
Down Syndrome, Gross Motor Development Delay
Interventions
Physical Therapy Home Program
Other
Lead sponsor
Texas Woman's University
Other
Eligibility
6 Months to 24 Months
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2019
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Aug 22, 2019 · Synced Oct 21, 2026, 8:31 AM EDT
Not yet recruiting Phase 1 Interventional

Escalating Doses of Memantine in Down Syndrome (MEDS-123)

NCT07531940
View directory record Official record
Conditions
Down Syndrome, Intellectual Disability, Alzheimer Dementia (AD)
Interventions
Memantine
Drug
Lead sponsor
University Hospitals Cleveland Medical Center
Other
Eligibility
18 Years to 32 Years
Enrollment
25 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
1
States / cities
Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 5, 2026 · Synced Oct 21, 2026, 8:31 AM EDT
Not listed No phase listed Observational

Non-Invasive Screening for Fetal Aneuploidy

NCT02317965
View directory record Official record
Conditions
Down Syndrome, Edwards Syndrome
Interventions
Maternal Blood Draw
Other
Lead sponsor
Progenity, Inc.
Industry
Eligibility
18 Years to 54 Years · Female only
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
10
States / cities
Campbell, California • Long Beach, California • Denver, Colorado + 6 more
Source: ClinicalTrials.gov public record
Updated Aug 28, 2018 · Synced Oct 21, 2026, 8:31 AM EDT
Completed Phase 2 Interventional Results available

CD101 Compared to Caspofungin Followed by Oral Step Down in Subjects With Candidemia and/or Invasive Candidiasis-Bridging Extension

NCT02734862
View directory record Official record
Conditions
Candidemia, Mycoses, Fungal Infection, Fungemia, Invasive Candidiasis
Interventions
CD101, Caspofungin, Fluconazole, intravenous placebo, oral placebo
Drug
Lead sponsor
Cidara Therapeutics Inc., a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)
Industry
Eligibility
18 Years and older
Enrollment
207 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
16
States / cities
Birmingham, Alabama • Davis, California • Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Dec 8, 2020 · Synced Oct 21, 2026, 8:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development of Non-invasive Prenatal Screening Test for Microdeletions Based on Fetal DNA Isolated From Maternal Blood

NCT01852708
View directory record Official record
Conditions
Trisomy 21, Trisomy 18, Trisomy 13, Sex Chromosome Abnormalities, Microdeletion Syndromes
Interventions
Not listed
Lead sponsor
Natera, Inc.
Industry
Eligibility
18 Years and older
Enrollment
1,059 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2020
U.S. locations
7
States / cities
San Carlos, California • San Gabriel, California • Washington D.C., District of Columbia + 4 more
Source: ClinicalTrials.gov public record
Updated Dec 30, 2020 · Synced Oct 21, 2026, 8:31 AM EDT
Completed No phase listed Observational

Computer Models of Airways in Children and Young Adults With Sleep Apnea and Down Syndrome

NCT01902407
View directory record Official record
Conditions
Down Syndrome, Obstructive Sleep Apnea
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
1 Year to 90 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2026
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 21, 2026, 8:31 AM EDT
Completed Not applicable Interventional

The Impact of an 8-week Supported Exercise Program on Fitness and Symptoms in Adolescents With Down Syndrome

NCT03192540
View directory record Official record
Conditions
Down Syndrome
Interventions
Exercise
Other
Lead sponsor
Boston Children's Hospital
Other
Eligibility
10 Years to 17 Years
Enrollment
15 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 26, 2022 · Synced Oct 21, 2026, 8:31 AM EDT
Completed Phase 3 Interventional

Chemotherapy in Treating Children With Down Syndrome and Myeloproliferative Disorder, Acute Myelogenous Leukemia, or Myelodysplastic Syndrome

NCT00003593
View directory record Official record
Conditions
Leukemia, Myelodysplastic Syndromes, Myelodysplastic/Myeloproliferative Neoplasms
Interventions
asparaginase, cytarabine, daunorubicin hydrochloride, methotrexate, therapeutic hydrocortisone, thioguanine
Drug
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 21 Years
Enrollment
254 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1999 – 2012
U.S. locations
209
States / cities
Birmingham, Alabama • Mobile, Alabama • Phoenix, Arizona + 151 more
Source: ClinicalTrials.gov public record
Updated Jun 27, 2013 · Synced Oct 21, 2026, 8:31 AM EDT
Completed Not applicable Interventional

Proactive Speech and Language Intervention for Infants With Down Syndrome

NCT06450509
View directory record Official record
Conditions
Down Syndrome
Interventions
Babble Boot Camp
Behavioral
Lead sponsor
Arizona State University
Other
Eligibility
0 Months to 12 Months
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Tempe, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 29, 2026 · Synced Oct 21, 2026, 8:31 AM 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 6, 2010 · Synced Oct 21, 2026, 8:31 AM EDT
Completed Phase 1 Interventional Results available

Investigation of the Safety of Intranasal Glulisine in Down Syndrome

NCT02432716
View directory record Official record
Conditions
Down Syndrome
Interventions
Insulin glulisine, Saline
Drug
Lead sponsor
HealthPartners Institute
Other
Eligibility
35 Years to 80 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Saint Paul, Minnesota
Source: ClinicalTrials.gov public record
Updated Dec 6, 2019 · Synced Oct 21, 2026, 8:31 AM EDT
Not yet recruiting Phase 2 Interventional

An Open-Label Phase II Feasibility Study for the Use of Ublituximab in Adults With Down Syndrome Regression Disorder

NCT07812181
View directory record Official record
Conditions
Down Syndrome Regression Disorder (DSRD), Down Syndrome (Trisomy 21), Neuroinflammatory / Neuropsychiatric Disorder
Interventions
Ublituximab
Drug
Lead sponsor
Jonathan Santoro
Other
Eligibility
18 Years to 40 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 21, 2026, 8:31 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Down Syndrome Metabolic Health Study

NCT01821300
View directory record Official record
Conditions
Down Syndrome, Trisomy 21
Interventions
Not listed
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
10 Years to 20 Years
Enrollment
257 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 31, 2019 · Synced Oct 21, 2026, 8:31 AM EDT