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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:22 AM EDT

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Showing 49–72 of 363 matching trials from the live ClinicalTrials.gov search.
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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, 9:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Evaluating Cognitive Outcomes in Down Syndrome

NCT04208685
View directory record Official record
Conditions
Down Syndrome
Interventions
Not listed
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 35 Years
Enrollment
202 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2024
U.S. locations
2
States / cities
Fort Collins, Colorado • Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Aug 12, 2026 · Synced Oct 21, 2026, 9:22 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Dynamic Quantification of Social-Visual Engagement in Autism Spectrum Disorder (ASD)

NCT05806216
View directory record Official record
Conditions
Autism Spectrum Disorder, Autism
Interventions
EarliPoint Diagnosis, Clinically Certain Expert Clinician Diagnosis (CC-ECD)
Device · Behavioral
Lead sponsor
EarliTec Diagnostics, Inc
Industry
Eligibility
31 Months to 84 Months
Enrollment
929 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2025
U.S. locations
9
States / cities
Phoenix, Arizona • Altanta, Georgia • Iowa City, Iowa + 6 more
Source: ClinicalTrials.gov public record
Updated Sep 15, 2025 · Synced Oct 21, 2026, 9:22 AM EDT
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 17, 2019 · Synced Oct 21, 2026, 9:22 AM EDT
Recruiting No phase listed Observational

The Myelin Disorders Biorepository Project

NCT03047369
View directory record Official record
Conditions
Leukodystrophy, White Matter Disease, Leukoencephalopathies, 4H Syndrome, Adrenoleukodystrophy, AMN, ALD, ALD Gene Mutation, ALD (Adrenoleukodystrophy), X-linked Adrenoleukodystrophy, X-ALD, Adrenomyeloneuropathy, Aicardi Goutieres Syndrome, AGS, Alexander Disease, Alexanders Leukodystrophy, AxD, ADLD, Canavan Disease, CTX, Cerebrotendinous Xanthomatoses, Krabbe Disease, GALC Deficiency, Globoid Leukodystrophy, TUBB4A-Related Leukodystrophy, H-ABC - Hypomyelination, Atrophy of Basal Ganglia and Cerebellum, HBSL, HBSL - Hypomyelination, Brain Stem, Spinal Cord, Leg Spasticity, LBSL, Leukoencephalopathy With Brain Stem and Spinal Cord Involvement and High Lactate Syndrome (Disorder), Leukoencephalopathy With Brainstem and Spinal Cord Involvement and Lactate Elevation, ALSP, CSF1R Gene Mutation, HCC - Hypomyelination and Congenital Cataract, MLC1, Megalencephalic Leukoencephalopathy With Subcortical Cysts, MLD, Metachromatic Leukodystrophy, PMD, Pelizaeus-Merzbacher Disease, PLP1 Null Syndrome, PLP1 Gene Duplication | Blood or Tissue | Mutations, Pelizaeus Merzbacher Like Disease, Peroxisomal Biogenesis Disorder, Zellweger Syndrome, Refsum Disease, Salla Disease, Sialic Storage Disease, Sjögren, Sjogren-Larsson Syndrome, Van Der Knapp Disease, Vanishing White Matter Disease, Charcot-Marie-Tooth, CMT, Mct8 (Slc16A2)-Specific Thyroid Hormone Cell Transporter Deficiency, Allan-Herndon-Dudley Syndrome, Cadasil, Cockayne Syndrome, Multiple Sulfatase Deficiency, Gangliosidoses, GM2 Gangliosidosis, BPAN, Labrune Syndrome, LCC, Mucopolysaccharidoses, TBCK-Related Intellectual Disability Syndrome
Interventions
Not listed
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
Not listed
Enrollment
12,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2030
U.S. locations
23
States / cities
Los Angeles, California • Orange, California • Palo Alto, California + 18 more
Source: ClinicalTrials.gov public record
Updated Oct 23, 2025 · Synced Oct 21, 2026, 9:22 AM 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 21, 2026, 9:22 AM EDT
Terminated Phase 4 Interventional Results available

Use of Liquid Stable Levothyroxine in Trisomy 21 Pediatric Patients

NCT04747275
View directory record Official record
Conditions
Hypothyroidism, Trisomy 21
Interventions
Liquid stable levothyroxine (L-T4) Tirosint-SOL, Oral tablet levothyroxine (L-T4)
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
2 Months to 4 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Sep 13, 2023 · Synced Oct 21, 2026, 9:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Remote Exercise Study for Individuals With Down Syndrome

NCT04647851
View directory record Official record
Conditions
Down Syndrome
Interventions
Remote exercise intervention Down syndrome
Other
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 35 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated May 26, 2023 · Synced Oct 21, 2026, 9:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Treatment of Sleep Disturbances in School-age Children With Down Syndrome

NCT02996175
View directory record Official record
Conditions
Down Syndrome
Interventions
Behavioral Sleep Treatment, Standard of care sleep treatment enhanced with psychoeducation
Behavioral
Lead sponsor
Children's Hospital Medical Center, Cincinnati
Other
Eligibility
6 Years to 17 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2018
U.S. locations
1
States / cities
Cincinnati, Ohio
Source: ClinicalTrials.gov public record
Updated Jun 4, 2018 · Synced Oct 21, 2026, 9:22 AM EDT
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 21, 2026, 9:22 AM EDT
Completed Not applicable Interventional Results available

Treatment Trial of Subclinical Hypothyroidism in Down Syndrome

NCT01832753
View directory record Official record
Conditions
Down Syndrome, Subclinical Hypothyroidism
Interventions
Levothyroxine
Drug
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 20 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
2
States / cities
Washington D.C., District of Columbia • Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Sep 6, 2019 · Synced Oct 21, 2026, 9:22 AM EDT
Recruiting Not applicable Interventional

Improving the Health and Social Participation of People With Disabilities From Underrepresented Groups Post COVID

NCT05792852
View directory record Official record
Conditions
Disabilities Multiple
Interventions
ENGAGE
Behavioral
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
21 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 24, 2025 · Synced Oct 21, 2026, 9:22 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

GameSquad for Adults With Down Syndrome

NCT05473247
View directory record Official record
Conditions
Down Syndrome, Physical Inactivity
Interventions
Ring-Fit Adventure Group
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 30 Years
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Oct 21, 2026, 9:22 AM EDT
Completed Phase 1 Interventional

Oxytocin Trial in Prader-Willi Syndrome

NCT02013258
View directory record Official record
Conditions
Prader Willi Syndrome
Interventions
Intranasal oxytocin, Placebo
Drug · Other
Lead sponsor
University of Florida
Other
Eligibility
5 Years to 11 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015
U.S. locations
3
States / cities
Orange, California • Gainesville, Florida • Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Apr 5, 2018 · Synced Oct 21, 2026, 9:22 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Study to Assess the Effect of Ofatumumab in Treatment Naïve, Very Early RRMS Patients Benchmarked Against Healthy Controls.

NCT05084638
View directory record Official record
Conditions
Relapse Remitting Multiple Sclerosis
Interventions
Ofatumumab
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 35 Years
Enrollment
180 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2026
U.S. locations
35
States / cities
Chandler, Arizona • Phoenix, Arizona • Los Angeles, California + 31 more
Source: ClinicalTrials.gov public record
Updated Feb 27, 2026 · Synced Oct 21, 2026, 9:22 AM EDT
Terminated Phase 3 Interventional Results available

A Clinical Study of the Efficacy of Natalizumab on Reducing Disability Progression in Participants With Secondary Progressive Multiple Sclerosis

NCT01416181
View directory record Official record
Conditions
Secondary Progressive Multiple Sclerosis
Interventions
natalizumab, Placebo
Drug
Lead sponsor
Biogen
Industry
Eligibility
18 Years to 58 Years
Enrollment
889 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
35
States / cities
Phoenix, Arizona • Tucson, Arizona • Fullerton, California + 29 more
Source: ClinicalTrials.gov public record
Updated Sep 11, 2017 · Synced Oct 21, 2026, 9:22 AM EDT
Recruiting Phase 3 Interventional Accepts healthy volunteers

Exploring Sympathetic Nervous System Function in Individuals With Down Syndrome

NCT07238465
View directory record Official record
Conditions
Down Syndrome, Autonomic Dysfunction
Interventions
Cold Stress, Maximal Dynamic Exercise, Isometric Handgrip Exercise with Post-Exercise Muscle Ischemia, Head-up Tilt Table Test
Other
Lead sponsor
University of Colorado, Denver
Other
Eligibility
18 Years to 50 Years
Enrollment
200 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2030
U.S. locations
1
States / cities
Aurora, Colorado
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 21, 2026, 9:22 AM EDT
Terminated Phase 3 Interventional

Effect of Rimonabant on Weight Gain and Body Composition in Adults With Prader Willi Syndrome

NCT00603109
View directory record Official record
Conditions
Prader-willi Syndrome
Interventions
rimonabant, placebo
Drug
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
18 Years to 35 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 20, 2023 · Synced Oct 21, 2026, 9:22 AM EDT
Completed Phase 1 Interventional

A Study of RG1662 in Individuals With Down Syndrome

NCT01436955
View directory record Official record
Conditions
Down Syndrome
Interventions
Placebo, RG1662
Drug
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
18 Years to 30 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
8
States / cities
Phoenix, Arizona • Little Rock, Arkansas • La Jolla, California + 5 more
Source: ClinicalTrials.gov public record
Updated Mar 3, 2015 · Synced Oct 21, 2026, 9:22 AM EDT
Recruiting Not applicable Interventional

A Novel Combinatory Approach to Maximize Functional Recovery of Learning and Memory in Multiple Sclerosis

NCT06197685
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
The Kessler Foundation modified Story Memory Technique® (KF-mSMT®), Aerobic Exercise Training (AET) plus Virtual Reality (IDEAL), Stretching and Toning (S/T)
Behavioral
Lead sponsor
Kessler Foundation
Other
Eligibility
18 Years to 70 Years
Enrollment
78 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
East Hanover, New Jersey
Source: ClinicalTrials.gov public record
Updated Aug 5, 2026 · Synced Oct 21, 2026, 9:22 AM 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 21, 2026, 9:22 AM EDT
Active, not recruiting Phase 3 Interventional

Efficacy and Safety of Remibrutinib Compared to Teriflunomide in Participants With Relapsing Multiple Sclerosis (RMS) (REMODEL-2)

NCT05156281
View directory record Official record
Conditions
Relapsing Multiple Sclerosis
Interventions
Remibrutinib, Teriflunomide
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 55 Years
Enrollment
1,007 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2030
U.S. locations
50
States / cities
Phoenix, Arizona • Hanford, California • Los Angeles, California + 42 more
Source: ClinicalTrials.gov public record
Updated Aug 18, 2026 · Synced Oct 21, 2026, 9:22 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 11, 2024 · Synced Oct 21, 2026, 9:22 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 6, 2025 · Synced Oct 21, 2026, 9:22 AM EDT