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ClinicalTrials.gov public records Last synced Oct 21, 2026, 12:52 PM EDT

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Showing 169–192 of 363 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Disabilities Multiple Clear all
Recruiting Not applicable Interventional

How Simplified Language Affects Comprehension and Learning in Young Children With Down Syndrome

NCT06951516
View directory record Official record
Conditions
Down Syndrome
Interventions
Linguistic simplification
Behavioral
Lead sponsor
Michigan State University
Other
Eligibility
2 Years to 7 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2027
U.S. locations
1
States / cities
East Lansing, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 12, 2026 · Synced Oct 21, 2026, 12:52 PM EDT
Recruiting Phase 3 Interventional

A Study of Pitolisant in Patients With Prader-Willi Syndrome

NCT06366464
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
Pitolisant tablet, Placebo tablet
Drug · Other
Lead sponsor
Harmony Biosciences Management, Inc.
Industry
Eligibility
6 Years and older
Enrollment
134 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2028
U.S. locations
23
States / cities
Los Angeles, California • Sacramento, California • San Diego, California + 16 more
Source: ClinicalTrials.gov public record
Updated Aug 25, 2026 · Synced Oct 21, 2026, 12:52 PM EDT
Completed Not applicable Interventional Results available

Effects of Exenatide on Overweight Adolescents With Prader-Willi Syndrome

NCT01444898
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
Exenatide
Drug
Lead sponsor
Children's Hospital Los Angeles
Other
Eligibility
13 Years to 20 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2013
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Sep 29, 2016 · Synced Oct 21, 2026, 12:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Stamford Group Family Nurture Intervention

NCT03442439
View directory record Official record
Conditions
Behavior Problem, Developmental Delay, Emotional Disturbances, Family Conflict
Interventions
Nutrition and Play Intervention, Family Nurture Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
24 Months to 54 Months
Enrollment
10 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018
U.S. locations
1
States / cities
Stamford, Connecticut
Source: ClinicalTrials.gov public record
Updated Apr 8, 2019 · Synced Oct 21, 2026, 12:52 PM EDT
Enrolling by invitation Not applicable Interventional

Long-term Evaluation of Nasopharyngeal Airway in Hypotonia

NCT06614582
View directory record Official record
Conditions
Hypotonia, Muscle, Obstructive Sleep Apnea, Nasal Airway Obstruction
Interventions
Self-Supporting Nasopharyngeal Airway (ssNPA)
Device
Lead sponsor
University of Michigan
Other
Eligibility
3 Years to 23 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 2, 2025 · Synced Oct 21, 2026, 12:52 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Development of a Newborn Screening Assay for Angelman Syndrome and Prader-Willi Syndrome

NCT05783791
View directory record Official record
Conditions
Angelman Syndrome, Prader-Willi Syndrome
Interventions
Newborn Screening Assay
Diagnostic Test
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
Not listed
Enrollment
11 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 6, 2023 · Synced Oct 21, 2026, 12:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Family Nurture Intervention, A Group Model in Connecticut

NCT02970565
View directory record Official record
Conditions
Behavior Problem, Development Delay, Emotional Disturbance, Family Conflict
Interventions
Family Nurture Intervention, Nutrition and Play Intervention
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
24 Months to 54 Months
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2019
U.S. locations
1
States / cities
Cos Cob, Connecticut
Source: ClinicalTrials.gov public record
Updated Feb 15, 2023 · Synced Oct 21, 2026, 12:52 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Amyloid Plaque and Tangle Imaging in Alzheimer's Disease and Down Syndrome

NCT00965835
View directory record Official record
Conditions
Down Syndrome, Alzheimer's Disease
Interventions
Not listed
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
21 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2011
U.S. locations
1
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Dec 29, 2009 · Synced Oct 21, 2026, 12:52 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 21, 2026, 12:52 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 21, 2026, 12:52 PM EDT
Completed No phase listed Observational

Clinical Evaluation of the SEQureDx Trisomy Test in Low Risk Pregnancies

NCT01597063
View directory record Official record
Conditions
Aneuploidy, Down Syndrome, Noninvasive Prenatal Screening
Interventions
SEQureDx Trisomy Test
Device
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years to 34 Years · Female only
Enrollment
3,333 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
27
States / cities
Mobile, Alabama • Chandler, Arizona • Phoenix, Arizona + 22 more
Source: ClinicalTrials.gov public record
Updated Apr 20, 2016 · Synced Oct 21, 2026, 12:52 PM EDT
Completed Not applicable Interventional Results available

Impact of Custom Assistive and Adaptive Technology in Rehabilitation

NCT03567239
View directory record Official record
Conditions
Disability Physical, Brain Injuries, Stroke, Spinal Cord Injuries, Multiple Sclerosis, Paralysis
Interventions
Using adaptive device.
Device
Lead sponsor
Madonna Rehabilitation Hospital
Other
Eligibility
1 Year to 85 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Lincoln, Nebraska
Source: ClinicalTrials.gov public record
Updated Nov 25, 2024 · Synced Oct 21, 2026, 12:52 PM EDT
Completed No phase listed Observational

Magnetic Resonance Imaging to Detect Brain Damage in Patients With Multiple Sclerosis

NCT00099307
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 85 Years
Enrollment
94 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2011
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 2, 2017 · Synced Oct 21, 2026, 12:52 PM EDT
Completed No phase listed Observational

Noninvasive Screening for Fetal Aneuploidy: A New Maternal Plasma Marker

NCT00971334
View directory record Official record
Conditions
Pregnancy, Aneuploidy, Down Syndrome, Edwards Syndrome
Interventions
Not listed
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
2,502 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
30
States / cities
Mobile, Alabama • La Mesa, California • San Diego, California + 21 more
Source: ClinicalTrials.gov public record
Updated Feb 17, 2012 · Synced Oct 21, 2026, 12:52 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 21, 2026, 12:52 PM EDT
Recruiting Phase 3 Interventional

A Study to Evaluate the Efficacy and Safety of Remibrutinib in Secondary Progressive Multiple Sclerosis

NCT07225504
View directory record Official record
Conditions
Secondary Progressive Multiple Sclerosis (SPMS)
Interventions
Remibrutinib (blinded), Placebo, Remibrutinib (Open label)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 65 Years
Enrollment
1,275 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2034
U.S. locations
43
States / cities
Birmingham, Alabama • Phoenix, Arizona • Tucson, Arizona + 35 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 21, 2026, 12:52 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Whole Blood Specimen Collection From Pregnant Subjects

NCT02430584
View directory record Official record
Conditions
Down Syndrome, Edwards Syndrome, Patau Syndrome, Klinefelter Syndrome, Turner Syndrome, DiGeorge Syndrome, Perinatal Infections
Interventions
Observational - no intervention
Other
Lead sponsor
Progenity, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
5,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
Chattanooga, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 17, 2020 · Synced Oct 21, 2026, 12:52 PM EDT
Recruiting No phase listed Observational

Collaboration for Down Syndrome Progress (CDP)

NCT07625579
View directory record Official record
Conditions
Down Syndrome, Chromosome Disorders, Intellectual and Developmental Disabilities
Interventions
Not listed
Lead sponsor
RTI International
Other
Eligibility
Not listed
Enrollment
1,400 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
15
States / cities
Orange, California • Aurora, Colorado • Miami, Florida + 12 more
Source: ClinicalTrials.gov public record
Updated Jun 4, 2026 · Synced Oct 21, 2026, 12:52 PM EDT
Completed No phase listed Observational

Comparison of Aneuploidy Risk Evaluations

NCT01663350
View directory record Official record
Conditions
Pregnancy, Down Syndrome, Edwards Syndrome, Patau Syndrome, Turners Syndrome
Interventions
Not listed
Lead sponsor
Verinata Health, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
3,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2012
U.S. locations
26
States / cities
San Diego, California • Atlanta, Georgia • Chicago, Illinois + 22 more
Source: ClinicalTrials.gov public record
Updated Jul 16, 2013 · Synced Oct 21, 2026, 12:52 PM EDT
Completed Phase 1 Interventional

Treatment Strategies for Children With Smith-Magenis Syndrome

NCT00506259
View directory record Official record
Conditions
Developmental Delay Disorders, Chromosome Deletion, Mental Retardation, Sleep Disorders, Circadian Rhythm, Self Injurious Behavior
Interventions
dTR Melatonin (NIH CC PDS), Phototherapy (Bright Light), Melatonin CR
Drug · Device
Lead sponsor
National Human Genome Research Institute (NHGRI)
NIH
Eligibility
3 Years to 45 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 12, 2019 · Synced Oct 21, 2026, 12:52 PM EDT
Completed No phase listed Observational

Neurocognitive and Psychosocial Outcomes in Survivors of Childhood Leukemia With Down Syndrome

NCT02859389
View directory record Official record
Conditions
Leukemia, Down Syndrome
Interventions
Not listed
Lead sponsor
St. Jude Children's Research Hospital
Other
Eligibility
Not listed
Enrollment
43 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2019
U.S. locations
1
States / cities
Memphis, Tennessee
Source: ClinicalTrials.gov public record
Updated Sep 18, 2019 · Synced Oct 21, 2026, 12:52 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

An Online Health Tool About Down Syndrome: Down Syndrome Clinic to You

NCT04227197
View directory record Official record
Conditions
Down Syndrome
Interventions
Down Syndrome Clinic to You (DSC2U)
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
1 Year and older
Enrollment
281 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jun 14, 2022 · Synced Oct 21, 2026, 12:52 PM EDT
Completed Phase 2 Interventional

Study to Evaluate Efficacy, Safety, and Tolerability of RGH-706 in Prader-Willi Syndrome

NCT05322096
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
RGH-706, Placebo
Drug
Lead sponsor
Gedeon Richter Plc.
Industry
Eligibility
17 Years and older
Enrollment
39 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
6
States / cities
San Diego, California • Chicago, Illinois • Brooklyn, New York + 3 more
Source: ClinicalTrials.gov public record
Updated Jun 3, 2024 · Synced Oct 21, 2026, 12:52 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 21, 2026, 12:52 PM EDT