Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jul 22, 2026, 2:25 PM EDT

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Showing 1–24 of 210 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Down Syndrome, Augmentative and Alternative Communication
Interventions
AAC Technology - Standard of Care, AAC Technology - non-optimal integrated arrangement
Device
Lead sponsor
Penn State University
Other
Eligibility
7 Years to 35 Years
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2021
U.S. locations
1
States / cities
University Park, Pennsylvania
Conditions
Down Syndrome, Cognitive Dysfunction
Interventions
Aricept (Donepezil hydrochloride), Placebo
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
6 Years to 10 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
2
States / cities
San Antonio, Texas • Herndon, Virginia
Conditions
Congenital Disorders
Interventions
Not listed
Lead sponsor
Children's Healthcare of Atlanta
Other
Eligibility
Up to 8 Days
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2004 – 2008
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Accepts healthy volunteers Results available

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

NCT04227197
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
Conditions
Down Syndrome, Fetal Aneuploidy
Interventions
Not listed
Lead sponsor
Sequenom, Inc.
Industry
Eligibility
18 Years to 60 Years · Female only
Enrollment
3,062 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2015
U.S. locations
27
States / cities
Mobile, Alabama • Tucson, Arizona • Campbell, California + 24 more
Conditions
Intellectual Disability, Overweight and Obesity
Interventions
Weight Loss Plus Cooking, Traditional Weight Loss
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 35 Years
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
Down Syndrome, Adaptive Behavior, Quality of Life
Interventions
The MapHabit System
Device
Lead sponsor
MapHabit, Inc.
Industry
Eligibility
7 Years to 17 Years
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2021
U.S. locations
1
States / cities
Atlanta, Georgia
Recruiting Not applicable Interventional Accepts healthy volunteers

Physical Activity and Community EmPOWERment Project

NCT06740162
Conditions
Intellectual Disability, Neurodevelopmental Disorders, Autism Spectrum Disorder, Down Syndrome, Fragile X Syndrome, Cri-du-Chat Syndrome, De Lange Syndrome, Mental Retardation, X-Linked, Prader-Willi Syndrome, Rubinstein-Taybi Syndrome, Trisomy 13 Syndrome, WAGR Syndrome, Williams Syndrome
Interventions
PACE Program
Behavioral
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years and older
Enrollment
376 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2028
U.S. locations
2
States / cities
Fayetteville, Arkansas • Chapel Hill, North Carolina
Completed Phase 1Phase 2 Interventional Results available

Rivastigmine Study in Adolescents With Down Syndrome

NCT01084135
Conditions
Down Syndrome
Interventions
Rivastigmine, Liquid Placebo
Drug · Other
Lead sponsor
Duke University
Other
Eligibility
10 Years to 17 Years
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2014
U.S. locations
2
States / cities
Baltimore, Maryland • Durham, North Carolina
Conditions
Anxiety Disorders, Child Developmental Disorders, Pervasive
Interventions
Not listed
Lead sponsor
University of California, Davis
Other
Eligibility
5 Years to 25 Years
Enrollment
511 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2010
U.S. locations
1
States / cities
Sacramento, California
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
Conditions
Obstructive Sleep Apnea of Child
Interventions
Adenotonsillectomy, Drug-induced sleep endoscopy directed surgery
Procedure
Lead sponsor
Oregon Health and Science University
Other
Eligibility
2 Years to 18 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
1
States / cities
Portland, Oregon
Recruiting No phase listed Observational Accepts healthy volunteers

Vascular Function in Adults With Down Syndrome

NCT07630207
Conditions
Down Syndrome (Trisomy 21)
Interventions
Not listed
Lead sponsor
University of Nevada, Las Vegas
Other
Eligibility
18 Years to 35 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
Las Vegas, Nevada
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
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
Conditions
All Diagnosed Health Conditions, ADD/ADHD, Alopecia Areata, Ankylosing Spondylitis, Asthma, Atopic Dermatitis Eczema, Beta Thalassemia, Bipolar Disorder, Breast Cancer, Celiac Disease, Cervical Cancer, Chronic Inflammatory Demyelinating Polyneuropathy, Chronic Kidney Diseases, Chronic Obstructive Pulmonary Disease, Colon Cancer, Colorectal Cancer, Crohn's Disease, Cystic Fibrosis, Depression, Diabetes Mellitus, Duchenne Muscular Dystrophy, Endometriosis, Epilepsy, Facioscapulohumeral Muscular Dystrophy, G6PD Deficiency, General Anxiety Disorder, Hepatitis B, Hereditary Hemorrhagic Telangiectasia, HIV/AIDS, Human Papilloma Virus, Huntington's Disease, Idiopathic Thrombocytopenic Purpura, Insomnia, Kidney Cancer, Leukemia, Lung Cancer, Lupus Nephritis, Lymphoma, Melanoma, Multiple Myeloma, Multiple Sclerosis, Myositis, Myotonic Dystrophy, Ovarian Cancer, Pancreatic Cancer, Parkinson's Disease, Polycystic Kidney Diseases, Prostate Cancer, Psoriasis, Psoriatic Arthritis, Rosacea, Scleroderma, Sickle Cell Anemia, Sickle Cell Trait, Sjogren's Syndrome, Skin Cancer, Spinal Muscular Atrophy, Systemic Lupus Erythematosus, Thrombotic Thrombocytopenic Purpura, Trisomy 21, Ulcerative Colitis
Interventions
Not listed
Lead sponsor
Sanguine Biosciences
Industry
Eligibility
18 Years to 100 Years
Enrollment
17,667 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2024
U.S. locations
1
States / cities
Los Angeles, California
Conditions
Down Syndrome, Recurrent B Acute Lymphoblastic Leukemia
Interventions
3-Dimensional Conformal Radiation Therapy, Asparaginase Erwinia chrysanthemi, Biospecimen Collection, Blinatumomab, Bone Marrow Aspiration, Bone Marrow Biopsy, Calaspargase Pegol, Cytarabine, Dexamethasone, Hydrocortisone Sodium Succinate, Lumbar Puncture, Mercaptopurine, Methotrexate, Nivolumab, Pegaspargase, Vincristine Sulfate
Radiation · Drug · Procedure + 1 more
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
1 Year to 30 Years
Enrollment
461 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2028
U.S. locations
209
States / cities
Birmingham, Alabama • Mobile, Alabama • Anchorage, Alaska + 150 more
Completed Not applicable Interventional Results available

Predictors of Speech Ability in Down Syndrome

NCT05016037
Conditions
Speech Intelligibility Intervention in Down Syndrome
Interventions
Lexically based speech recast
Behavioral
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
4 Years to 17 Years
Enrollment
18 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2025
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional Results available

Treadmill Training and Orthotic Use in Infants With Down Syndrome

NCT00825175
Conditions
Down Syndrome
Interventions
Treadmill Training, Supramalleolar Orthoses
Behavioral · Device
Lead sponsor
University of Michigan
Other
Eligibility
6 Months to 36 Months
Enrollment
22 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
1
States / cities
Ann Arbor, Michigan
Conditions
Dysarthria, Down Syndrome
Interventions
Speech sessions
Behavioral
Lead sponsor
Duke University
Other
Eligibility
8 Years and older
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Durham, North Carolina
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
Completed Phase 4 Interventional Results available

Fluoxetine Treatment of Depression in Down Syndrome

NCT05458479
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
Conditions
Obstructive Sleep Apnea (OSA), Down Syndrome
Interventions
ato-oxy, Oxygen
Drug
Lead sponsor
University of Arizona
Other
Eligibility
6 Years and older
Enrollment
200 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2030
U.S. locations
5
States / cities
Tucson, Arizona • San Diego, California • Miami, Florida + 2 more
Conditions
Neurodevelopmental Disorders, Autism Spectrum Disorder, Pediatric Autoimmune Neuropsychiatric Disorder Associated With Streptococcal Infection, Pediatric Acute-Onset Neuropsychiatric Syndrome, Down Syndrome, Epilepsy, Mitochondrial Encephalomyopathies, Cerebral Folate Deficiency
Interventions
Not listed
Lead sponsor
Richard Frye
Other
Eligibility
Not listed
Enrollment
1,000 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2030
U.S. locations
1
States / cities
Phoenix, Arizona