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Showing 1–22 of 22 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Down Syndrome (DS) Clear all
Completed No phase listed Observational

The Experience of Caregivers of Children With Down Syndrome

NCT00695695
View directory record Official record
Conditions
Down Syndrome
Interventions
Not listed
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
18 Years and older
Enrollment
546 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Jun 26, 2026, 1:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Assessing the Feasibility of the Use of Visual Aids in Patient Education in Adults With Down Syndrome (DS)

NCT02895802
View directory record Official record
Conditions
Down Syndrome
Interventions
Verbal instructions with picture diagram, Verbal instructions with video of ADSC, verbal instructions w. video of w/o DS, verbal instructions w. video w/DS
Behavioral
Lead sponsor
Wake Forest University Health Sciences
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2017
U.S. locations
1
States / cities
Park Ridge, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 3, 2024 · Synced Jun 26, 2026, 1:03 AM 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 1, 2026 · Synced Jun 26, 2026, 1:03 AM EDT
Terminated Phase 1 Interventional

Hero: A Study to Evaluate the Safety, Tolerability, and Pharmacokinetics (PK) and Pharmacodynamics (PD) of ION269 in Participants With Down Syndrome (DS) at Risk for Alzheimer's Disease (AD)

NCT06673069
View directory record Official record
Conditions
Alzheimer Disease, Down Syndrome
Interventions
ION269
Drug
Lead sponsor
Ionis Pharmaceuticals, Inc.
Industry
Eligibility
35 Years to 55 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
5
States / cities
Indianapolis, Indiana • Kansas City, Kansas • Lexington, Kentucky + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 19, 2026 · Synced Jun 26, 2026, 1:03 AM EDT
Not yet recruiting Phase 1 Interventional

NAD Augmentation to Prevent or Reverse Alzheimer's Disease in People With Down Syndrome

NCT07278492
View directory record Official record
Conditions
Down Syndrome (DS)
Interventions
MIB-626, Placebo
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2028
U.S. locations
2
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 24, 2026 · Synced Jun 26, 2026, 1:03 AM EDT
Completed No phase listed Observational

Study of Blood Samples From Newborns With Down Syndrome

NCT00959283
View directory record Official record
Conditions
Myeloid Proliferations Associated With Down Syndrome
Interventions
Diagnostic Laboratory Biomarker Analysis, Pharmacological Study
Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
Up to 90 Days
Enrollment
180 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2023
U.S. locations
173
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 130 more
Source: ClinicalTrials.gov public record
Updated Oct 2, 2023 · Synced Jun 26, 2026, 1:03 AM 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 5, 2025 · Synced Jun 26, 2026, 1:03 AM EDT
Terminated No phase listed Observational

Down Syndrome Clinical Trials - Study of Alzheimer's Disease in Down Syndrome

NCT04149197
View directory record Official record
Conditions
Alzheimer's Disease in Down Syndrome
Interventions
Not listed
Lead sponsor
LuMind IDSC Foundation
Other
Eligibility
25 Years and older
Enrollment
252 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2024
U.S. locations
14
States / cities
Phoenix, Arizona • Irvine, California • La Jolla, California + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 26, 2024 · Synced Jun 26, 2026, 1:03 AM EDT
Recruiting No phase listed Observational

DS-Connect®: The Down Syndrome Registry

NCT01950624
View directory record Official record
Conditions
Down Syndrome
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
Not listed
Enrollment
100,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2035
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 30, 2025 · Synced Jun 26, 2026, 1:03 AM EDT
Not yet recruiting Phase 2 Interventional

A Study to Evaluate Mivelsiran in Adult Participants With Early-Stage Down Syndrome-Associated Alzheimer's Disease (DS-AD)

NCT07636811
View directory record Official record
Conditions
Down Syndrome-Associated Alzheimer's Disease (DS-AD)
Interventions
Mivelsiran, Placebo
Drug
Lead sponsor
Alnylam Pharmaceuticals
Industry
Eligibility
40 Years to 55 Years
Enrollment
58 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2031
U.S. locations
2
States / cities
Maitland, Florida • Naples, Florida
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Jun 26, 2026, 1:03 AM 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 May 28, 2026 · Synced Jun 26, 2026, 1:03 AM EDT
Recruiting No phase listed Observational

A Study to Learn More About the Health of Persons With Down Syndrome After Treatment for Acute Leukemia

NCT05702645
View directory record Official record
Conditions
B Acute Lymphoblastic Leukemia Associated With Down Syndrome, Down Syndrome, Myeloid Leukemia Associated With Down Syndrome
Interventions
Biospecimen Collection, Clinical Evaluation, Neurocognitive Assessment, Questionnaire Administration, Survey Administration
Procedure · Other
Lead sponsor
Children's Oncology Group
Network
Eligibility
6 Years to 39 Years
Enrollment
330 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2029
U.S. locations
69
States / cities
Birmingham, Alabama • Phoenix, Arizona • Madera, California + 58 more
Source: ClinicalTrials.gov public record
Updated May 4, 2026 · Synced Jun 26, 2026, 1:03 AM EDT
Recruiting No phase listed Observational

Trial-Ready Cohort-Down Syndrome (TRC-DS)

NCT04165109
View directory record Official record
Conditions
Down Syndrome, Alzheimer Disease, Dementia
Interventions
Not listed
Lead sponsor
University of Southern California
Other
Eligibility
25 Years to 55 Years
Enrollment
550 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
18
States / cities
Phoenix, Arizona • Orange, California • Aurora, Colorado + 15 more
Source: ClinicalTrials.gov public record
Updated May 17, 2026 · Synced Jun 26, 2026, 1:03 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Congenital Heart Disease: Impact on Learning and Development in Down Syndrome (CHILD-DS)

NCT05312177
View directory record Official record
Conditions
Down Syndrome, Congenital Heart Disease
Interventions
Stanford Binet Intelligence Scales, Fifth Edition, Vineland Adaptive Behavior Scales Third Edition, Peabody Picture Vocabulary Test, Fifth Edition, Expressive Vocabulary Test, Third Edition, Leiter International Performance Scale, Third Edition, Social Communication Questionnaire, Current Form, Aberrant Behavior Checklist, Repetitive Behavior Scale, Revised
Other
Lead sponsor
Carelon Research
Other
Eligibility
60 Months to 155 Months
Enrollment
273 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
13
States / cities
Wilmington, Delaware • Washington D.C., District of Columbia • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated Jan 10, 2024 · Synced Jun 26, 2026, 1:03 AM EDT
Recruiting Not applicable Interventional

Pediatric Down Syndrome Post-Approval Study

NCT06851338
View directory record Official record
Conditions
Pediatric Obstructive Sleep Apnea, Down Syndrome (DS)
Interventions
Hypoglossal Nerve Stimulation
Device
Lead sponsor
Inspire Medical Systems, Inc.
Industry
Eligibility
13 Years to 18 Years
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2030
U.S. locations
6
States / cities
Phoenix, Arizona • Orange, California • Tampa, Florida + 3 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2025 · Synced Jun 26, 2026, 1:03 AM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Neuromuscular Characteristics of Individuals With Down Syndrome (DS)

NCT00643955
View directory record Official record
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
Source: ClinicalTrials.gov public record
Updated Dec 20, 2023 · Synced Jun 26, 2026, 1:03 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 26, 2013 · Synced Jun 26, 2026, 1:03 AM 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 2, 2024 · Synced Jun 26, 2026, 1:03 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Relationship Between Down Syndrome (DS) and Alzheimer's Disease (AD)

NCT02759887
View directory record Official record
Conditions
Down Syndrome, Alzheimer's Dementia
Interventions
biospecimen collection, cognitive assessments, caregiver questionnaire, Florbetapir F18 imaging, MRI, Fludeoxyglucose F18 (FDG), Tau Pet, Actigraphy
Procedure · Other
Lead sponsor
St. Joseph's Hospital and Medical Center, Phoenix
Other
Eligibility
21 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Oct 28, 2019 · Synced Jun 26, 2026, 1:03 AM EDT
Completed Not applicable Interventional Results available

Use of Partial Body Weight Support Play Environment to Encourage Mobility and Exploration in Infants With Down Syndrome

NCT05307523
View directory record Official record
Conditions
Down Syndrome, Trisomy 21
Interventions
Enriched Play Environment with Partial Body Weight Support Harness, Enriched Play Environment without Partial Body Weight Support Harness
Device · Other
Lead sponsor
University of Washington
Other
Eligibility
Up to 36 Months
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated May 1, 2024 · Synced Jun 26, 2026, 1:03 AM EDT
Recruiting Not applicable Interventional

Adapting RDAD for DS

NCT07425769
View directory record Official record
Conditions
Down Syndrome (DS), Alzheimer's Disease (AD)
Interventions
Remote Exercise Sessions, Caregiver Education Sessions
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
Not listed
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated May 5, 2026 · Synced Jun 26, 2026, 1:03 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
303 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 Feb 9, 2026 · Synced Jun 26, 2026, 1:03 AM EDT