Independent directory Public ClinicalTrials.gov records United States
Clear filters

These results were retrieved from the live ClinicalTrials.gov registry. Filters and sort order apply to this result list.

ClinicalTrials.gov public records Last synced Oct 31, 2026, 2:39 AM EDT

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

Showing 1105–1128 of 1,884 matching trials from the live ClinicalTrials.gov search.
Conditions
Cognitive Impairment, Hematologic Neoplasms, Hematopoietic Cell Transplant
Interventions
Lumosity, Lumosity (waitlist control)
Behavioral
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
21 Years and older
Enrollment
60 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Conditions
Mild Cognitive Impairment, Healthy Aging
Interventions
RFB, VSOP, IR
Behavioral
Lead sponsor
University of Rochester
Other
Eligibility
60 Years to 89 Years
Enrollment
113 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2026
U.S. locations
1
States / cities
Rochester, New York
Conditions
Parkinson Disease
Interventions
Placebo, Varenicline
Drug
Lead sponsor
Vikas Kotagal
Other
Eligibility
45 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2029
U.S. locations
1
States / cities
Ann Arbor, Michigan
Completed Early Phase 1 Interventional Accepts healthy volunteers Results available

Boost Study 21270 (Cognition)

NCT05990335
Conditions
Cognitive Function Abnormal
Interventions
mHealth application (custom)
Behavioral
Lead sponsor
NXTech
Industry
Eligibility
18 Years to 65 Years
Enrollment
124 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2023
U.S. locations
1
States / cities
Manhattan, Kansas
Conditions
Agitation Associated With, Alzheimer's Disease, Alzheimer's Type, Mental Disorder, Nervous System Diseases
Interventions
Brexpiprazole, OPC-34712, Placebo Oral Tablet
Drug
Lead sponsor
Otsuka Pharmaceutical Development & Commercialization, Inc.
Industry
Eligibility
55 Years to 90 Years
Enrollment
433 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2017
U.S. locations
37
States / cities
Tuscaloosa, Alabama • Phoenix, Arizona • Bellflower, California + 25 more
Conditions
Alzheimer Disease, Cognitive Impairment, Mild, Dementia, Mild
Interventions
Smartphone Personal Assistant, Implementation Intention
Behavioral
Lead sponsor
Baylor University
Other
Eligibility
Not listed
Enrollment
52 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018 – 2020
U.S. locations
1
States / cities
Temple, Texas
Conditions
Schizophrenia, Impaired Cognition
Interventions
EVP-6124
Drug
Lead sponsor
FORUM Pharmaceuticals Inc
Industry
Eligibility
18 Years to 50 Years
Enrollment
830 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2015
U.S. locations
69
States / cities
Little Rock, Arkansas • Anaheim, California • Bellflower, California + 66 more
Completed Not applicable Interventional Accepts healthy volunteers Results available

In-Home Technology for Caregivers of People With Dementia and Mild Cognitive Impairment: Rural Homes

NCT05159583
Conditions
Dementia, Mild Cognitive Impairment, Alzheimer Disease
Interventions
In-Home Technology System, Limited In-Home Technology
Device
Lead sponsor
University of California, Berkeley
Other
Eligibility
18 Years and older
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Berkeley, California
Completed Not applicable Interventional Results available

SHARE: Sharing Healthcare Wishes in Primary Care

NCT04593472
Conditions
Cognitive Impairment
Interventions
Sharing Healthcare Wishes in Primary Care (SHARE), Minimally Enhanced Usual Care
Behavioral
Lead sponsor
Johns Hopkins University
Other
Eligibility
80 Years and older
Enrollment
273 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2025
U.S. locations
9
States / cities
Baltimore, Maryland • Dundalk, Maryland • Mitchellville, Maryland + 3 more
Completed Early Phase 1 Interventional Accepts healthy volunteers

Tau Imaging With JNJ067

NCT03926702
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Progressive Supranuclear Palsy
Interventions
Radiopharmaceuticals
Drug
Lead sponsor
University of California, Berkeley
Other
Eligibility
50 Years and older
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2021
U.S. locations
1
States / cities
Berkeley, California
Conditions
Subjective Memory Loss in Older Persons
Interventions
Cerefolin NAC (a medical food), Cerefolin NAC placebo
Other
Lead sponsor
Rush University Medical Center
Other
Eligibility
60 Years and older
Enrollment
104 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2011
U.S. locations
1
States / cities
Chicago, Illinois
Not yet recruiting Not applicable Interventional Accepts healthy volunteers

Center for Research and Education on Aging and Technology Enhancement - CREATE V - Project 1

NCT05811338
Conditions
Mild Cognitive Impairment
Interventions
Project 1 - Phase 2: VR Program for Social, Activity, and Cognitive Engagement, Project 1 - Phase 2: Tablet for Social, Activity, and Cognitive Engagement
Behavioral
Lead sponsor
Weill Medical College of Cornell University
Other
Eligibility
60 Years and older
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2027
U.S. locations
3
States / cities
Tallahassee, Florida • Champaign, Illinois • New York, New York
Conditions
Multiple Sclerosis, Cognition
Interventions
lipoic acid and omega-3 fatty acids, Placebo
Drug
Lead sponsor
Oregon Health and Science University
Other
Eligibility
18 Years to 65 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2016
U.S. locations
1
States / cities
Portland, Oregon
Conditions
Cognitive Impairment, Voice Disorders, Voicebox Disorders, Cognitive Decline, Swallowing Disorder
Interventions
Speech Therapy, Swallowing Therapy, Upper Airway Therapy
Behavioral
Lead sponsor
University of California, San Francisco
Other
Eligibility
60 Years to 110 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2023
U.S. locations
4
States / cities
San Francisco, California • Atlanta, Georgia • New York, New York
Completed No phase listed Observational Accepts healthy volunteers Results available

Early-onset Obesity and Cognitive Impairment in Children With Pseudohypoparathyroidism

NCT02411461
Conditions
Pseudohypoparathyroidism, Albright Hereditary Osteodystrophy
Interventions
Not listed
Lead sponsor
Vanderbilt University Medical Center
Other
Eligibility
6 Years to 18 Years
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
1
States / cities
Nashville, Tennessee
Completed Not applicable Interventional Accepts healthy volunteers

Changes in Cognition During a 24-h Simulated Military Operation

NCT04250480
Conditions
Cognitive Impairment
Interventions
beta-alanine, placebo
Dietary Supplement
Lead sponsor
University of Central Florida
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Orlando, Florida
Conditions
Alzheimer Disease, Alzheimer's Disease (Incl Subtypes), Preclinical Alzheimer's Disease, Prodromal Alzheimer's Disease, Mild Cognitive Impairment, Normal Cognition
Interventions
Not listed
Lead sponsor
Novoic Limited
Industry
Eligibility
50 Years to 85 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Santa Ana, California
Conditions
Major Depressive Disorder
Interventions
Lisdexamfetamine Dimesylate (Vyvanse), Placebo
Drug
Lead sponsor
Mclean Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Belmont, Massachusetts
Completed No phase listed Observational Accepts healthy volunteers

F 18 T807 PET (Positron Emission Tomograph )Scan for HIV Infected & Uninfected

NCT03279523
Conditions
Alzheimer Disease, HIV
Interventions
F 18 T807
Drug
Lead sponsor
Tammie L. S. Benzinger, MD, PhD
Other
Eligibility
40 Years and older
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2018
U.S. locations
1
States / cities
St Louis, Missouri
Completed Phase 2Phase 3 Interventional Accepts healthy volunteers Results available

Analysis of 18F-AV-1451 PET Imaging in Cognitively Healthy, MCI, and AD Subjects

NCT02016560
Conditions
Alzheimer's Disease
Interventions
florbetapir F 18, Flortaucipir F18, Brain PET Scan
Drug · Procedure
Lead sponsor
Avid Radiopharmaceuticals
Industry
Eligibility
20 Years and older
Enrollment
383 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2017
U.S. locations
27
States / cities
Phoenix, Arizona • Scottsdale, Arizona • Sun City, Arizona + 20 more
Conditions
Stroke
Interventions
No aortic clamping, partial occluding clamp, single cross clamp, cross clamp and partial occluding clamp
Procedure
Lead sponsor
Emory University
Other
Eligibility
18 Years and older
Enrollment
193 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2016
U.S. locations
1
States / cities
Atlanta, Georgia
Completed Not applicable Interventional Accepts healthy volunteers

The Feasibility, Safety and Tolerability of VR-based Audiovisual Stimulation

NCT06234930
Conditions
Healthy Aging, Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Audiovisual stimulation VR system
Device
Lead sponsor
Clarity Health Technologies, Inc
Industry
Eligibility
50 Years to 90 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
2
States / cities
Portola Valley, California • Leesburg, Florida
Recruiting Not applicable Interventional Accepts healthy volunteers

Home Sleep Therapy for Older Adults With MCI

NCT05771844
Conditions
Mild Cognitive Impairment, Sleep, Transcranial Electrical Stimulation, Machine Learning, Memory
Interventions
Transcranial Electrical Stimulation
Device
Lead sponsor
Brain Electrophysiology Laboratory Company
Industry
Eligibility
40 Years to 85 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2026
U.S. locations
2
States / cities
Winston-Salem, North Carolina • Eugene, Oregon
Completed Not applicable Interventional Accepts healthy volunteers

Cognitive Multi-Tasking Training in Healthy Older Adults

NCT04195230
Conditions
Age-related Cognitive Decline
Interventions
Multi-tasking Training
Behavioral
Lead sponsor
Columbia University
Other
Eligibility
60 Years to 75 Years
Enrollment
24 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
New York, New York