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ClinicalTrials.gov public records Last synced Oct 31, 2026, 1:17 PM EDT

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Showing 1225–1248 of 1,884 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Impaired Cognition Clear all
Completed Phase 2 Interventional Results available

Evaluating Neuroprotection in Aneurysm Coiling Therapy

NCT00728182
View directory record Official record
Conditions
Stroke
Interventions
NA-1, Placebo
Drug
Lead sponsor
NoNO Inc.
Industry
Eligibility
18 Years and older
Enrollment
185 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
3
States / cities
Phoenix, Arizona • Stanford, California • Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 17, 2013 · Synced Oct 31, 2026, 1:17 PM EDT
Recruiting No phase listed Observational

F 18 T807 Tau PET Imaging of Alzheimer's Disease

NCT02414347
View directory record Official record
Conditions
Alzheimer Disease
Interventions
F 18 T807
Drug
Lead sponsor
Tammie L. S. Benzinger, MD, PhD
Other
Eligibility
18 Years and older
Enrollment
900 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2026
U.S. locations
1
States / cities
St Louis, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 8, 2026 · Synced Oct 31, 2026, 1:17 PM EDT
Completed Phase 3 Interventional

VITAL - VITamins to Slow ALzheimer's Disease (Homocysteine Study)

NCT00056225
View directory record Official record
Conditions
Alzheimer's Disease
Interventions
Folate, Vitamin B6, Vitamin B12
Drug
Lead sponsor
National Institute on Aging (NIA)
NIH
Eligibility
55 Years and older
Enrollment
340 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
38
States / cities
Birmingham, Alabama • Scottsdale, Arizona • Sun City, Arizona + 29 more
Source: ClinicalTrials.gov public record
Updated Jun 12, 2009 · Synced Oct 31, 2026, 1:17 PM EDT
Completed Phase 2 Interventional

Study to Evaluate Safety, Tolerability, and Effect of AL208 on Mild Cognitive Impairment Following Coronary Artery Bypass Graft Surgery

NCT00404014
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
AL-208, Placebo
Drug
Lead sponsor
Allon Therapeutics
Industry
Eligibility
50 Years to 79 Years
Enrollment
234 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
26
States / cities
Laguna Hills, California • Sacramento, California • Jacksonville, Florida + 22 more
Source: ClinicalTrials.gov public record
Updated Oct 24, 2012 · Synced Oct 31, 2026, 1:17 PM EDT
Terminated Phase 2 Interventional Results available

Evaluating The Safety Of Donepezil Hydrochloride (Aricept) For Up To 1 Year In The Treatment Of The Cognitive Dysfunction Exhibited By Children With Down Syndrome - Follow-Up To A 10-Week, Double-Blind, Placebo-Controlled Trial

NCT00675025
View directory record Official record
Conditions
Down Syndrome
Interventions
Donepezil hydrochloride (Aricept)
Drug
Lead sponsor
Eisai Inc.
Industry
Eligibility
10 Years to 17 Years
Enrollment
117 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008
U.S. locations
31
States / cities
Phoenix, Arizona • Little Rock, Arkansas • Los Angeles, California + 24 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2021 · Synced Oct 31, 2026, 1:17 PM EDT
Completed Phase 2 Interventional

Transcranial Photobiomodulation for Alzheimer's Disease (TRAP-AD)

NCT04784416
View directory record Official record
Conditions
Mild Cognitive Impairment, Alzheimer Disease
Interventions
Active tPBM-2.0, Sham tPBM-2.0, 18F-MK-6240
Device · Drug
Lead sponsor
NYU Langone Health
Other
Eligibility
65 Years to 85 Years
Enrollment
196 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
3
States / cities
Boston, Massachusetts • New York, New York • Orangeburg, New York
Source: ClinicalTrials.gov public record
Updated Oct 29, 2026 · Synced Oct 31, 2026, 1:17 PM EDT
Recruiting Phase 2 Interventional

Riluzole For Preventing Cognitive Dysfunction in Ca Pts Receiving Chemo (REFOCUS): Pilot Trial

NCT07447050
View directory record Official record
Conditions
Breast Cancer, Sarcoma, Gastric (Stomach) Cancer, Lung Cancer, Head and Neck Cancer, Colorectal Cancer, Ovarian Cancer, Liver Cancer, Genitourinary Cancer, Gynecologic Cancer
Interventions
Riluzole, Placebo
Drug · Other
Lead sponsor
University of California, Irvine
Other
Eligibility
18 Years and older
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2028
U.S. locations
1
States / cities
Orange, California
Source: ClinicalTrials.gov public record
Updated Mar 3, 2026 · Synced Oct 31, 2026, 1:17 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

A Clinical Trial to Investigate the Efficacy of a Supplement to Improve and Maintain Cognitive Function and Memory

NCT06523218
View directory record Official record
Conditions
Cognitive Decline, Cognitive Function
Interventions
MindMD Supplement, Placebo
Dietary Supplement · Other
Lead sponsor
Scale Media Inc
Industry
Eligibility
50 Years to 75 Years
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Jul 26, 2024 · Synced Oct 31, 2026, 1:17 PM EDT
Terminated Phase 4 Interventional Accepts healthy volunteers Results available

Naratriptan for the Treatment of Post Traumatic Headache Associated With Cognitive Dysfunction

NCT00487578
View directory record Official record
Conditions
Post Traumatic Headache
Interventions
naratriptan HCl
Drug
Lead sponsor
Cady, Roger, M.D.
Individual
Eligibility
18 Years to 55 Years
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2009
U.S. locations
3
States / cities
Springfield, Missouri • Charlotte, North Carolina • Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Feb 11, 2013 · Synced Oct 31, 2026, 1:17 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Maternal Choline Supplementation and Offspring Cognition in Adolescence

NCT05859126
View directory record Official record
Conditions
Cognitive Deficit in Attention, Executive Dysfunction, Emotional Regulation
Interventions
Maternal Choline Supplementation 930 mg/d, Maternal Choline Supplementation 480 mg/d
Dietary Supplement
Lead sponsor
Cornell University
Other
Eligibility
13 Years to 13 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Ithaca, New York
Source: ClinicalTrials.gov public record
Updated Aug 22, 2024 · Synced Oct 31, 2026, 1:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

MI-CBT Adherence Program for Lifestyle Interventions in Older Adults

NCT04817176
View directory record Official record
Conditions
Mild Cognitive Impairment, Adherence, Patient, Ketosis
Interventions
Motivational Interviewing-Cognitive Behavioral Therapy Ketogenic Nutrition Adherence Program, Ketogenic Nutrition Program
Behavioral · Other
Lead sponsor
Florida State University
Other
Eligibility
60 Years to 85 Years
Enrollment
58 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2023
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 22, 2026 · Synced Oct 31, 2026, 1:17 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Time Restricted Eating Plus Exercise for Weight Management

NCT05290233
View directory record Official record
Conditions
Intermittent Fasting, Pre Diabetes, Cognitive Decline
Interventions
TRE + Exercise
Behavioral
Lead sponsor
University of Illinois Chicago
Other
Eligibility
50 Years to 80 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
1
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Sep 26, 2024 · Synced Oct 31, 2026, 1:17 PM EDT
Withdrawn Not applicable Interventional

Evaluation of the Ketogenic Diet to Improve Post Operative Cognitive Decline in Cardiac Surgery

NCT06480708
View directory record Official record
Conditions
Postoperative Cognitive Dysfunction
Interventions
Ketogenic diet, Control diet
Other
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
60 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 31, 2026, 1:17 PM EDT
Active, not recruiting Not applicable Interventional

Cognitive Training for Cancer Related Cognitive Impairment in Breast Cancer Survivors

NCT05896189
View directory record Official record
Conditions
Breast Cancer, Cognitive Impairments
Interventions
Arm 1: Computerized Cognitive Training-Global Stimulation Games, Arm 2: Computerized Cognitive Training-Neuroplasticity Games
Behavioral
Lead sponsor
NRG Oncology
Other
Eligibility
18 Years to 100 Years
Enrollment
386 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2027
U.S. locations
673
States / cities
Anchorage, Alaska • Fairbanks, Alaska • Gilbert, Arizona + 483 more
Source: ClinicalTrials.gov public record
Updated Jul 30, 2026 · Synced Oct 31, 2026, 1:17 PM EDT
Completed No phase listed Observational

Performance of AclarusDx™, a Blood-Based Transcriptomic Test for AD, in US Patients Newly Referred to a Memory Center

NCT01465360
View directory record Official record
Conditions
Alzheimer's Disease, Mild Cognitive Impairment, Vascular Dementia, Fronto-temporal Dementia, Primary Progressive Aphasia, Parkinson' Disease Dementia, Mixed Dementia
Interventions
Not listed
Lead sponsor
Exonhit
Industry
Eligibility
21 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
3
States / cities
Las Vegas, Nevada • Cleveland, Ohio • Lakewood, Ohio
Source: ClinicalTrials.gov public record
Updated Jul 6, 2012 · Synced Oct 31, 2026, 1:17 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers

Preventing Cognitive Decline With Alternative Therapies

NCT00010920
View directory record Official record
Conditions
Dementia, Memory Disorders
Interventions
Ginkgo Biloba Extract
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
85 Years and older
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Aug 18, 2006 · Synced Oct 31, 2026, 1:17 PM EDT
Completed Phase 2 Interventional Results available

Effect of IVIG on Cerebral and Retinal Amyloid in Mild Cognitive Impairment Due to Alzheimer Disease

NCT03319810
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Octagam 10%
Biological
Lead sponsor
Sutter Health
Other
Eligibility
50 Years to 84 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Jun 25, 2019 · Synced Oct 31, 2026, 1:17 PM EDT
Terminated Not applicable Interventional Results available

Impact of Physical Activity on Cognitive Outcomes in Youth With Pediatric-Onset Multiple Sclerosis (POMS)

NCT03933020
View directory record Official record
Conditions
Pediatric Onset Multiple Sclerosis (POMS)
Interventions
VR active video game intervention, Educational session, Standard Management of Physical Activity
Device · Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
15 Years to 25 Years
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2022 · Synced Oct 31, 2026, 1:17 PM EDT
Terminated Phase 1Phase 2 Interventional Results available

Effects of IV-Administered Ca-DTPA and Zn-DTPA To Treat Patients With Gadolinium Deposition Disease

NCT02947022
View directory record Official record
Conditions
Headache, Cognitive Disturbance, Skin Hyperpigmentation, Arthralgia
Interventions
Calcium DTPA, Zinc DTPA
Drug
Lead sponsor
University of North Carolina, Chapel Hill
Other
Eligibility
18 Years to 99 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Chapel Hill, North Carolina
Source: ClinicalTrials.gov public record
Updated Apr 6, 2018 · Synced Oct 31, 2026, 1:17 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Early Detection of Mild Cognitive Impairment in Individual Patients

NCT00243451
View directory record Official record
Conditions
Mild Cognitive Impairment, Mild Alzheimer's Disease
Interventions
PET scan & fMRI
Other
Lead sponsor
Louisiana State University Health Sciences Center Shreveport
Other
Eligibility
55 Years to 85 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2003 – 2011
U.S. locations
1
States / cities
Shreveport, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 7, 2011 · Synced Oct 31, 2026, 1:17 PM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effect of Gerofit Exercise on Cognition in Older Veterans

NCT06107842
View directory record Official record
Conditions
Aging, Cognitive Impairment, Physical Activity
Interventions
Gerofit exercise, Health education
Behavioral
Lead sponsor
VA Office of Research and Development
Federal
Eligibility
65 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2029
U.S. locations
2
States / cities
West Los Angeles, California • Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 31, 2026, 1:17 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

TMS in Preclinical and Prodromal AD: Modulation of Brain Networks and Memory

NCT04294888
View directory record Official record
Conditions
Alzheimer Disease, Mild Cognitive Impairment, Aging
Interventions
repetitive transcranial magnetic stimulation (rTMS)
Device
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
60 Years to 85 Years
Enrollment
4 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2021
U.S. locations
1
States / cities
Charlestown, Massachusetts
Source: ClinicalTrials.gov public record
Updated Mar 20, 2026 · Synced Oct 31, 2026, 1:17 PM EDT
Completed Not applicable Interventional

Brief Telehealth Cognitive Rehabilitation Following Mild TBI

NCT05315453
View directory record Official record
Conditions
Mild Traumatic Brain Injury, Cognitive Impairment
Interventions
Brief Cognitive Rehabilitation
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
18 Years and older
Enrollment
28 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2022
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Mar 24, 2023 · Synced Oct 31, 2026, 1:17 PM EDT
Recruiting No phase listed Observational

Global Blood-Brain Barrier Disruption and Post-Stroke Cognitive Decline

NCT05556395
View directory record Official record
Conditions
Ischemic Stroke
Interventions
Not listed
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Sep 4, 2026 · Synced Oct 31, 2026, 1:17 PM EDT