Independent directory Public ClinicalTrials.gov records United States
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ClinicalTrials.gov public records Last synced Oct 21, 2026, 9:36 AM EDT

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Showing 169–192 of 1,870 matching trials from the live ClinicalTrials.gov search.
Conditions
Parkinson's Disease With Cognitive Impairments
Interventions
safinamide, placebo
Drug
Lead sponsor
Newron Pharmaceuticals SPA
Industry
Eligibility
45 Years to 80 Years
Enrollment
103 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2010
U.S. locations
9
States / cities
Sunnyvale, California • Jacksonville, Florida • Atlanta, Georgia + 5 more
Active, not recruiting No phase listed Observational Accepts healthy volunteers

Assessing Cognitive Decline at Home

NCT06704971
Conditions
Mild Cognitive Impairment, Mild Dementia, Dementia Alzheimers, Dementia, Memory Impairment, NPS
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
65 Years and older
Enrollment
25 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2026
U.S. locations
1
States / cities
Palo Alto, California
Completed No phase listed Observational Accepts healthy volunteers

Whole Egg Intake and Choline Concentration in the Aging Brain

NCT05021211
Conditions
Alzheimer Disease
Interventions
Not listed
Lead sponsor
University of Kansas Medical Center
Other
Eligibility
60 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2024
U.S. locations
1
States / cities
Kansas City, Kansas
Conditions
HIV-1-infection
Interventions
Not listed
Lead sponsor
International Maternal Pediatric Adolescent AIDS Clinical Trials Group
Network
Eligibility
13 Years to 24 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
11
States / cities
Los Angeles, California • San Diego, California • Aurora, Colorado + 6 more
Completed Not applicable Interventional Results available

Technology and Family Thriving Study

NCT05150990
Conditions
Alzheimer Disease, Dementia, Caregiver Burnout, Quality of Life, Mental Health Wellness 1, Loneliness, Family Relationship
Interventions
Virtual Reality, Video Chat
Behavioral
Lead sponsor
University of California, Santa Barbara
Other
Eligibility
18 Years and older
Enrollment
186 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2024
U.S. locations
27
States / cities
Calabasas, California • Camarillo, California • Goleta, California + 16 more
Conditions
Atrial Fibrillation, Cognitive Symptom, Executive Dysfunction, Cognitive Change, Cognitive Impairment, Cognitive Impairment, Mild
Interventions
Standard of Care Interventions to convert patient from atrial fibrillation to normal rhythm
Other
Lead sponsor
David Brunk, PA-C, MMS
Other
Eligibility
35 Years to 80 Years
Enrollment
600 participants
Timeline
2019 – 2027
U.S. locations
1
States / cities
Colorado Springs, Colorado
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Clinical Evaluation of Florbetapir F 18 (18F-AV-45)

NCT01518374
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Neurodegenerative Diseases
Interventions
Florbetapir F 18
Drug
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
1,768 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2017
U.S. locations
26
States / cities
Phoenix, Arizona • Sun City, Arizona • Davis, California + 19 more
Conditions
Breast Cancer, Chemotherapy-Related Cognitive Impairment
Interventions
Individualized Piano Keyboard Instruction
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
18 Years to 65 Years
Enrollment
6 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Miami, Florida
Conditions
Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Donepezil, Placebo
Drug
Lead sponsor
Merck Sharp & Dohme LLC
Industry
Eligibility
55 Years to 85 Years
Enrollment
44 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
8
States / cities
Long Beach, California • Hallandale, Florida • Lady Lake, Florida + 5 more
Recruiting No phase listed Observational Accepts healthy volunteers

Tau PET in Imaging and Cognition: Healthy Adults From 55-90

NCT03372317
Conditions
Mild Cognitive Impairment, Aging
Interventions
18F-MK-6240
Drug
Lead sponsor
Yaakov Stern
Other
Eligibility
55 Years to 90 Years
Enrollment
105 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2027
U.S. locations
1
States / cities
New York, New York
Active, not recruiting No phase listed Observational Accepts healthy volunteers

An Objective Assessment Tool for Evaluating Functioning in Older Adults

NCT06489847
Conditions
Alzheimer Disease
Interventions
SPPB++ Application
Diagnostic Test
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Palo Alto, California
Conditions
Atrial Fibrillation
Interventions
Apixaban, Warfarin
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
60 Years and older
Enrollment
34 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Rochester, Minnesota
Completed Phase 2 Interventional Results available

Riluzole in Mild Alzheimer's Disease

NCT01703117
Conditions
Alzheimer's Disease
Interventions
Riluzole, Placebo
Drug
Lead sponsor
Icahn School of Medicine at Mount Sinai
Other
Eligibility
50 Years to 95 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2020
U.S. locations
2
States / cities
New York, New York
Not listed No phase listed Observational Accepts healthy volunteers

Longitudinal Innate Immunity and Aging Study

NCT03944603
Conditions
Healthy Older Adults Ages 60-89
Interventions
Not listed
Lead sponsor
University of Colorado, Denver
Other
Eligibility
60 Years to 89 Years
Enrollment
300 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2025
U.S. locations
1
States / cities
Aurora, Colorado
Conditions
Critical Illness, Delirium, Cognitive Impairment, Cognitive Decline, Alzheimer's Disease, Dementia, Circadian Dysrhythmia, Sleep Disturbance
Interventions
SLEEP + COG, COG, SLEEP, AC
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
60 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
1
States / cities
Seattle, Washington
Conditions
Alzheimer Disease
Interventions
Zunveyl®
Drug
Lead sponsor
Alpha Cognition, Inc
Industry
Eligibility
50 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
22
States / cities
Irvine, California • Orange, California • Aventura, Florida + 17 more
Conditions
Alzheimer Disease, Dementia, Mild Cognitive Impairment
Interventions
Jigsawdio Multisensory Puzzle Platform, Standard Jigsaw Puzzle Activity
Behavioral
Lead sponsor
Callahan-Young LLC DBA Jigsawdio
Industry
Eligibility
60 Years and older
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
2
States / cities
Durham, North Carolina • College Station, Texas
Conditions
Frailty, Mild Cognitive Impairment, Aging
Interventions
Mitoquinone Mesylate, Placebo capsule
Drug · Dietary Supplement
Lead sponsor
UConn Health
Other
Eligibility
65 Years to 80 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2028
U.S. locations
1
States / cities
Farmington, Connecticut
Conditions
Mild Cognitive Impairment (MCI), Mild Alzheimer Disease
Interventions
Not listed
Lead sponsor
Indivi AG
Industry
Eligibility
50 Years to 90 Years
Enrollment
32 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025 – 2026
U.S. locations
1
States / cities
Boston, Massachusetts
Conditions
Traumatic Brain Injury, Cognitive Dysfunction, Blast Injury
Interventions
Repetitive Transcranial Magnetic Stimulation (rTMS), Cognitive Intervention
Device · Behavioral
Lead sponsor
Boston Medical Center
Other
Eligibility
21 Years to 50 Years
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2017
U.S. locations
2
States / cities
Boston, Massachusetts
Conditions
Alzheimer's Disease
Interventions
MEM 3454
Drug
Lead sponsor
Memory Pharmaceuticals
Industry
Eligibility
50 Years to 80 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007
U.S. locations
7
States / cities
Phoenix, Arizona • Glendale, California • Atlanta, Georgia + 3 more
Conditions
Critical Illness, Cognitive Impairment, Circadian Dysrhythmia, Intensive Care Unit Delirium, Aging, Older People
Interventions
COG-AM, COG-PM
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
60 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Seattle, Washington
Completed No phase listed Observational Accepts healthy volunteers

Magnetic Resonance Imaging (MRI) and Decline of Aging Aviator Performance

NCT01120860
Conditions
Age-related Cognitive Decline
Interventions
MRI
Device
Lead sponsor
Palo Alto Veterans Institute for Research
Other
Eligibility
45 Years to 100 Years
Enrollment
67 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2011
U.S. locations
1
States / cities
Palo Alto, California
Completed No phase listed Observational Accepts healthy volunteers

Stanford ICU Delirium PIPRA Study

NCT06519890
Conditions
Delirium, Cognitive Impairment, Delirium, Postoperative
Interventions
Not listed
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
199 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Palo Alto, California