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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:53 AM EDT

Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.

Showing 73–96 of 363 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Disabilities Multiple Clear all
Not listed Not applicable Interventional Accepts healthy volunteers

Down Syndrome - Comparison of Screening Methods in the 1st and 2nd Trimesters

NCT00006445
View directory record Official record
Conditions
Down Syndrome, Chromosome Abnormalities
Interventions
Ultrasound, Serum screen
Procedure
Lead sponsor
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)
NIH
Eligibility
16 Years to 45 Years · Female only
Enrollment
38,000 participants
Healthy volunteers
Accepts healthy volunteers
U.S. locations
10
States / cities
Denver, Colorado • Boston, Massachusetts • Royal Oak, Michigan + 6 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2007 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Phase 2 Interventional Results available

Phase 2 Trial to Evaluate Safety and Efficacy of Setmelanotide (RM-493) in Obese Participants With Prader-Willi Syndrome

NCT02311673
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
Setmelanotide, Placebo
Drug
Lead sponsor
Rhythm Pharmaceuticals, Inc.
Industry
Eligibility
16 Years to 65 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
5
States / cities
Irvine, California • Gainesville, Florida • Kansas City, Kansas + 2 more
Source: ClinicalTrials.gov public record
Updated Jul 27, 2023 · Synced Oct 21, 2026, 9:53 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 Aug 19, 2026 · Synced Oct 21, 2026, 9:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Multiple Gestation Study

NCT02278536
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
354 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2019
U.S. locations
6
States / cities
San Carlos, California • San Diego, California • New York, New York + 2 more
Source: ClinicalTrials.gov public record
Updated Aug 26, 2019 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Phase 1Phase 2 Interventional Results available

RAD001 and Neurocognition in PTEN Hamartoma Tumor Syndrome

NCT02991807
View directory record Official record
Conditions
PTEN Gene Mutation, PTEN Hamartoma Tumor Syndrome
Interventions
RAD001, Placebo
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
5 Years to 45 Years
Enrollment
46 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2021
U.S. locations
3
States / cities
Palo Alto, California • Boston, Massachusetts • Cleveland, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 17, 2025 · Synced Oct 21, 2026, 9:53 AM EDT
Active, not recruiting Not applicable Interventional

Impact of Bright Light Therapy on Prader-Willi Syndrome

NCT05939453
View directory record Official record
Conditions
Prader-Willi Syndrome, Excessive Daytime Sleepiness, Hyperphagia, Body Weight, Mood, Behavior
Interventions
Sham Light, Bright Light Therapy
Other
Lead sponsor
Maimonides Medical Center
Other
Eligibility
6 Years to 88 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Oct 6, 2026 · Synced Oct 21, 2026, 9:53 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

CBDV vs Placebo in Children and Adults up to Age 30 With Prader-Willi Syndrome (PWS)

NCT03848481
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
CBDV Compound, Placebo
Drug
Lead sponsor
Eric Hollander
Other
Eligibility
5 Years to 30 Years
Enrollment
6 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
The Bronx, New York
Source: ClinicalTrials.gov public record
Updated May 7, 2026 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Not applicable Interventional Results available

Obstructive Sleep Apnea and Neurocognitive and Cardiovascular Function in Children With Down Syndrome

NCT01808508
View directory record Official record
Conditions
Down Syndrome, Obstructive Sleep Apnea Syndrome
Interventions
Continuous positive airway pressure, Sham or placebo continuous positive airway pressure
Device
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
8 Years to 20 Years
Enrollment
27 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Feb 8, 2016 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Karate in Adolescents With Down Syndrome

NCT03058640
View directory record Official record
Conditions
Down Syndrome
Interventions
PKSA karate class
Other
Lead sponsor
University of Michigan
Other
Eligibility
12 Years to 18 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated May 20, 2019 · Synced Oct 21, 2026, 9:53 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 3, 2024 · Synced Oct 21, 2026, 9:53 AM 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 21, 2026, 9:53 AM EDT
Not listed Phase 3 Interventional

Vitamin E in Aging Persons With Down Syndrome

NCT00056329
View directory record Official record
Conditions
Down Syndrome, Alzheimer Disease
Interventions
Vitamin E, multivitamin, Placebo
Drug
Lead sponsor
New York State Institute for Basic Research
Government
Eligibility
50 Years and older
Enrollment
350 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2012
U.S. locations
14
States / cities
Farmington, Connecticut • Tampa, Florida • Atlanta, Georgia + 10 more
Source: ClinicalTrials.gov public record
Updated May 4, 2012 · Synced Oct 21, 2026, 9:53 AM EDT
Recruiting Not applicable Interventional

Home-Based Brain Stimulation for Motoric Cognitive Risk Syndrome

NCT06821568
View directory record Official record
Conditions
Alzheimer Disease and Related Dementias, Cognition, Mobility Disability
Interventions
Personalized Transcranial Direct Current Stimulation (tDCS), Active-Sham
Other
Lead sponsor
Hebrew SeniorLife
Other
Eligibility
65 Years to 90 Years
Enrollment
128 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Roslindale, Massachusetts
Source: ClinicalTrials.gov public record
Updated Jul 16, 2026 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Phase 3 Interventional

Open-Label Extension Study of DCCR in Patients With Prader-Willi Syndrome

NCT05701774
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
DCCR
Drug
Lead sponsor
Soleno Therapeutics, Inc.
Industry
Eligibility
4 Years and older
Enrollment
77 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
17
States / cities
Orange, California • Palo Alto, California • San Diego, California + 14 more
Source: ClinicalTrials.gov public record
Updated Oct 13, 2026 · Synced Oct 21, 2026, 9:53 AM EDT
Completed No phase listed Observational

MatErnal BLood IS Source to Accurately Diagnose Fetal Aneuploidy

NCT01122524
View directory record Official record
Conditions
Pregnant Women, Prenatal Care
Interventions
Not listed
Lead sponsor
Verinata Health, Inc.
Industry
Eligibility
18 Years and older · Female only
Enrollment
10,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2011
U.S. locations
11
States / cities
Los Angeles, California • San Francisco, California • Fort Collins, Colorado + 8 more
Source: ClinicalTrials.gov public record
Updated Oct 10, 2011 · Synced Oct 21, 2026, 9:53 AM EDT
Completed No phase listed Observational

Non-drug Study to Evaluate the Suitability of Neurocognitive Tests and Functioning Scales for the Measurement of Cognitive and Functioning Changes in Children With Down Syndrome

NCT02451657
View directory record Official record
Conditions
Down Syndrome
Interventions
No Intervention
Other
Lead sponsor
Hoffmann-La Roche
Industry
Eligibility
6 Years to 11 Years
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2016
U.S. locations
3
States / cities
Tucson, Arizona • Boston, Massachusetts • Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Oct 25, 2017 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Phase 1Phase 2 Interventional Results available

Treatment of the Cholesterol Defect in Smith-Lemli-Opitz Syndrome

NCT00272844
View directory record Official record
Conditions
Smith-Lemli-Opitz Syndrome
Interventions
crystalline cholesterol oil-based suspension
Drug
Lead sponsor
Boston Children's Hospital
Other
Eligibility
Not listed
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1998 – 2011
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Oct 20, 2017 · Synced Oct 21, 2026, 9:53 AM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

National Prevalence and Impact of Noninvasive Prenatal Testing

NCT02284399
View directory record Official record
Conditions
Aneuploidy
Interventions
non-invasive prenatal testing
Other
Lead sponsor
Obstetrix Medical Group
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
4,488 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2016
U.S. locations
7
States / cities
Phoenix, Arizona • Long Beach, California • San Jose, California + 4 more
Source: ClinicalTrials.gov public record
Updated Jun 19, 2019 · Synced Oct 21, 2026, 9:53 AM EDT
Completed No phase listed Observational

Gait Parameters of Persons With Down Syndrome With and Without Orthotics Using GaitRite

NCT01390558
View directory record Official record
Conditions
Down Syndrome
Interventions
custom orthotics
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
2 Years to 80 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2018
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 15, 2019 · Synced Oct 21, 2026, 9:53 AM EDT
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Autism Spectrum Disorder (ASD) and Intellectual Disability (ID) Determinants in Tuberous Sclerosis Complex (TSC)

NCT02461459
View directory record Official record
Conditions
Tuberous Sclerosis, Autism Disorder, Intellectual Disability
Interventions
Not listed
Lead sponsor
Boston Children's Hospital
Other
Eligibility
18 Months and older
Enrollment
205 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2026
U.S. locations
6
States / cities
Birmingham, Alabama • Los Angeles, California • Palo Alto, California + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 6, 2026 · Synced Oct 21, 2026, 9:53 AM 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 21, 2026, 9:53 AM EDT
Completed Phase 3 Interventional Results available

Growth Hormone Use in Adults With Prader-Willi Syndrome

NCT00444964
View directory record Official record
Conditions
Prader-Willi Syndrome
Interventions
Nutropin AQ
Drug
Lead sponsor
Children's Mercy Hospital Kansas City
Other
Eligibility
16 Years to 60 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2012
U.S. locations
1
States / cities
Kansas City, Missouri
Source: ClinicalTrials.gov public record
Updated Jan 8, 2021 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Not applicable Interventional

Comparison of Immediate vs Gradual Switch to Divalproex in Adults With Intellectual Disability

NCT00347152
View directory record Official record
Conditions
Epilepsy
Interventions
Divalproex
Drug
Lead sponsor
University of Kansas
Other
Eligibility
18 Years to 65 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
1
States / cities
Kansas City, Kansas
Source: ClinicalTrials.gov public record
Updated Sep 12, 2008 · Synced Oct 21, 2026, 9:53 AM EDT
Completed Phase 3 Interventional

Adalimumab in Combination With Methotrexate vs Methotrexate Alone in Early Rheumatoid Arthritis

NCT00234845
View directory record Official record
Conditions
Rheumatoid Arthritis
Interventions
adalimumab, methotrexate
Drug
Lead sponsor
Abbott
Industry
Eligibility
18 Years and older
Enrollment
148 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2003
U.S. locations
1
States / cities
Abbott Park, Illinois
Source: ClinicalTrials.gov public record
Updated Aug 29, 2007 · Synced Oct 21, 2026, 9:53 AM EDT