Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Jun 25, 2026, 9:47 PM EDT

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Showing 1–21 of 21 matching trials from the live ClinicalTrials.gov search.
Local D1 index available.
Conditions
Down Syndrome, Alzheimer's Disease
Interventions
Not listed
Lead sponsor
Michael Rafii
Other
Eligibility
30 Years to 60 Years
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
1
States / cities
La Jolla, California
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
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
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
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
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
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
Not listed No phase listed Observational Accepts healthy volunteers

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

NCT00965835
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
Not listed No phase listed Observational Accepts healthy volunteers

Glucose Metabolic, Amyloid, and Tau Brain Imaging in Down Syndrome and Dementia

NCT00966017
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
Conditions
Amyloid Plaque, Beta-Amyloid, DSAD, Prodromal Alzheimer's Disease, Alzheimer's Disease
Interventions
Placebo (Study Part 1a), ACI-24.060 at Dose A in Study Part 1a, ACI-24.060 at Dose B in Study Part 1a, ACI-24.060 at Dose C in Study Part 1a, ACI-24.060 with an additional adjuvant at Dose D in Study Part 1b, Placebo (Study Part 2), ACI-24.060 at Dose A in Study Part 2, ACI-24.060 at Dose B in Study Part 2, ACI-24.060 at Dose C in Study Part 2, Placebo (Study Part 1b), ACI-24.060 with an additional adjuvant at Dose E in Study Part 1b
Biological
Lead sponsor
AC Immune SA
Industry
Eligibility
35 Years to 85 Years
Enrollment
304 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2029
U.S. locations
13
States / cities
Phoenix, Arizona • Lady Lake, Florida • Orlando, Florida + 9 more
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
Completed Not applicable Interventional Accepts healthy volunteers

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

NCT02759887
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
Recruiting No phase listed Observational Accepts healthy volunteers

Retinal Imaging in Neurodegenerative Disease

NCT03233646
Conditions
Alzheimer's Disease, Mild Cognitive Impairment, Parkinson's Disease, Multiple Sclerosis, Huntington Disease, Lewy Body Dementia, Frontotemporal Dementia, Amyotrophic Lateral Sclerosis (ALS), APOE-4 Positive, Traumatic Brain Injury, Concussion, Post-Traumatic Stress Disorder, Down Syndrome, Neuro-Degenerative Disease, Normal Cognition
Interventions
Retinal and Choroidal Imaging
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
2,000 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2026
U.S. locations
1
States / cities
Durham, North Carolina
Conditions
Down Syndrome, Alzheimer Disease, Obesity
Interventions
Diet, Health Education
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years to 64 Years
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Kansas City, Kansas
Recruiting Not applicable Interventional Accepts healthy volunteers

Gamma Frequency Stimulation in Individuals With Down Syndrome

NCT05196984
Conditions
Down Syndrome
Interventions
GENUS device (Active Settings), GENUS device (Sham Settings)
Device
Lead sponsor
Massachusetts Institute of Technology
Other
Eligibility
25 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2026
U.S. locations
1
States / cities
Cambridge, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

Natural History of Amyloid Deposition in Adults With Down Syndrome

NCT01303133
Conditions
Down Syndrome
Interventions
Not listed
Lead sponsor
University of Pittsburgh
Other
Eligibility
30 Years and older
Enrollment
81 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2018
U.S. locations
2
States / cities
Pittsburgh, Pennsylvania • Madison, Wisconsin
Terminated No phase listed Observational Accepts healthy volunteers

Brain Study of Patients With Frontal Lobe Dementia and Parkinsonian Disorders

NCT00001178
Conditions
Alzheimer's Disease, Dementia, Down's Syndrome
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
597 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1981 – 2012
U.S. locations
1
States / cities
Bethesda, Maryland
Completed Phase 1Phase 2 Interventional Results available

Nicotine Treatment of Cognitive Decline in Down Syndrome

NCT01778946
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
Conditions
Down Syndrome, Down Syndrome, Partial Trisomy 21, Alzheimer Disease
Interventions
[18F]-FEOBV Radiotracer
Drug
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
18 Years to 55 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2027
U.S. locations
1
States / cities
Nashville, Tennessee
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
Conditions
Down Syndrome, Alzheimer Disease
Interventions
Remote Low, Remote High, Personal Coach
Behavioral
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
18 Years and older
Enrollment
81 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Kansas City, Kansas