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ClinicalTrials.gov public records Last synced Oct 20, 2026, 10:12 AM EDT

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Showing 769–792 of 1,065 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Cognitive Functioning Clear all
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Whey Protein Supplementation on Vascular and Cognitive Function in Older Adults

NCT01956994
View directory record Official record
Conditions
Blood Pressure
Interventions
Whey protein supplement, Carbohydrate supplement
Dietary Supplement
Lead sponsor
Syracuse University
Other
Eligibility
60 Years to 85 Years
Enrollment
99 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Syracuse, New York
Source: ClinicalTrials.gov public record
Updated Oct 4, 2017 · Synced Oct 20, 2026, 10:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

IMProving Executive Function Study

NCT03187353
View directory record Official record
Conditions
Cognitive Impairment, RRSO
Interventions
Lisdexamfetamine, Placebo oral capsule
Drug
Lead sponsor
University of Pennsylvania
Other
Eligibility
35 Years to 58 Years · Female only
Enrollment
69 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2022
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Nov 18, 2023 · Synced Oct 20, 2026, 10:12 AM EDT
Active, not recruiting Phase 2 Interventional

Multi-session Transcranial Alternating Current Stimulation to Improve Dual-task Standing and Brain Activity in Older Adults With Mild Cognitive Impairment

NCT07097051
View directory record Official record
Conditions
Mild Cognitive Impairment (MCI)
Interventions
real tACS, sham tACS
Other
Lead sponsor
High Point University
Other
Eligibility
65 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
High Point, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 16, 2026 · Synced Oct 20, 2026, 10:12 AM EDT
Completed No phase listed Observational

Pain Assessment, Incidence & Nature in Heart Failure

NCT00444301
View directory record Official record
Conditions
Heart Diseases
Interventions
Not listed
Lead sponsor
PC-HEART
Other
Eligibility
18 Years and older
Enrollment
349 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2007
U.S. locations
14
States / cities
San Diego, California • Washington D.C., District of Columbia • Palm Beach, Florida + 11 more
Source: ClinicalTrials.gov public record
Updated Jun 11, 2008 · Synced Oct 20, 2026, 10:12 AM EDT
Active, not recruiting Not applicable Interventional

Mental And Speech Developmental Delay Autism Spectrum-Type Behavioral Disorder

NCT07670000
View directory record Official record
Conditions
Autism Spectrum Disorder (ASD), Central Auditory Processing Disorder, Nervous System Disorder, Neurological Disorder
Interventions
Audio fairy tales
Behavioral
Lead sponsor
Natalia Poluektova
Other
Eligibility
3 Years to 70 Years
Enrollment
1 participant
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Jul 2, 2026 · Synced Oct 20, 2026, 10:12 AM EDT
Completed No phase listed Observational

Cognitive Effects of Bariatric Surgery

NCT00671775
View directory record Official record
Conditions
Bariatric Surgery Patients
Interventions
Not listed
Lead sponsor
National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
NIH
Eligibility
25 Years to 70 Years
Enrollment
253 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2005 – 2010
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 7, 2018 · Synced Oct 20, 2026, 10:12 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Functional Magnetic Resonance Imaging (fMRI) of Anosognosia in Amnestic Mild Cognitive Impairment (MCI) and Alzheimer's Disease (AD)

NCT00908999
View directory record Official record
Conditions
Anosognosia, Alzheimer's Disease, Mild Cognitive Impairment
Interventions
Not listed
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
60 Years to 90 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008 – 2011
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 29, 2011 · Synced Oct 20, 2026, 10:12 AM EDT
Completed Not applicable Interventional

Calorie Restriction and Brain Function in Mild Cognitive Impairment

NCT03872375
View directory record Official record
Conditions
Mild Cognitive Impairment
Interventions
Meal-Replacement Therapy, Dietary Counseling
Dietary Supplement · Behavioral
Lead sponsor
Iowa State University
Other
Eligibility
70 Years to 85 Years
Enrollment
96 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Ames, Iowa • Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Mar 31, 2022 · Synced Oct 20, 2026, 10:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

High Speed Circuit Training and Cognition

NCT04022707
View directory record Official record
Conditions
Educational Control, Resistance Training
Interventions
High-speed circuit resistance training, Educational control
Other
Lead sponsor
University of Miami
Other
Eligibility
60 Years to 85 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2020
U.S. locations
2
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated May 18, 2020 · Synced Oct 20, 2026, 10:12 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Lagged Relationships Between Sleep, Balance, and Cognition in Older Adults

NCT06584136
View directory record Official record
Conditions
Aging
Interventions
Not listed
Lead sponsor
University of Florida
Other
Eligibility
65 Years to 95 Years
Enrollment
18 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Nov 21, 2025 · Synced Oct 20, 2026, 10:12 AM EDT
Recruiting No phase listed Observational

SQUED™ Series 28.1 Home-use and Treatment of Autowave Reverberator of Autism

NCT03222375
View directory record Official record
Conditions
Autistic Disorder, Autism Spectrum Disorder, Child Development Disorders, Pervasive, Neurodevelopmental Disorders, Mental Disorders, Asperger's Syndrome, Neurobehavioral Manifestations, Nervous System Diseases
Interventions
SQUED™ series 28.1 home-use
Device
Lead sponsor
American Federation of Medical Synergetics
Other
Eligibility
1 Month to 21 Years
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2027
U.S. locations
1
States / cities
Louisville, Kentucky
Source: ClinicalTrials.gov public record
Updated Nov 28, 2017 · Synced Oct 20, 2026, 10:12 AM EDT
Completed No phase listed Observational

Cognitive Function and Patient-Reported Quality of Life Outcomes Investigation in Patients Taking Vorinostat

NCT02409134
View directory record Official record
Conditions
Quality of Life, Graft-vs-Host Disease
Interventions
Not listed
Lead sponsor
Sung Choi, M.D.
Other
Eligibility
18 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2018
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 14, 2018 · Synced Oct 20, 2026, 10:12 AM EDT
Recruiting Phase 2 Interventional

HBOT Effects on First Responders' Cognition and Well-Being

NCT07852728
View directory record Official record
Conditions
Traumatic Brain Injury, PTSD - Post Traumatic Stress Disorder, Anxiety, Depression, Post Concussion Symptoms
Interventions
Hyperbaric Oxygen Therapy (HBOT)
Drug
Lead sponsor
Summit Hyperbarics and Wellness
Other
Eligibility
18 Years to 75 Years
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Boise, Idaho
Source: ClinicalTrials.gov public record
Updated Oct 1, 2026 · Synced Oct 20, 2026, 10:12 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers

Efficacy Study of AlphaBRAIN Administered Orally

NCT02739139
View directory record Official record
Conditions
Cognitive Functioning
Interventions
AlphaBrain
Dietary Supplement
Lead sponsor
Onnits Labs, LLC
Industry
Eligibility
18 Years to 35 Years
Enrollment
73 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Chestnut Hill, Massachusetts
Source: ClinicalTrials.gov public record
Updated Apr 15, 2016 · Synced Oct 20, 2026, 10:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Nutraceutical Support of Fatigue Reduction, Improved Physical, Mental & Cognitive Function and Mitochondrial Function

NCT04261881
View directory record Official record
Conditions
Fatigue
Interventions
ATP-Fuel, ATP-II
Dietary Supplement
Lead sponsor
Natural Immune Systems Inc
Other
Eligibility
18 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Klamath Falls, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 14, 2020 · Synced Oct 20, 2026, 10:12 AM EDT
Completed No phase listed Observational

Cognitive Function After Treatment of Primary CNS Malignancy

NCT03055364
View directory record Official record
Conditions
CNS Malignancy
Interventions
Not listed
Lead sponsor
Mayo Clinic
Other
Eligibility
4 Years and older
Enrollment
129 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 10, 2024 · Synced Oct 20, 2026, 10:12 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Cognitive Strategies for Optimizing Brain Health And Managing Transgenerational Vascular Risk Factors Post-Stroke

NCT06479174
View directory record Official record
Conditions
Stroke, Ischemic
Interventions
CHAMPS-TR
Behavioral
Lead sponsor
University of New Mexico
Other
Eligibility
18 Years and older
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2027
U.S. locations
1
States / cities
Albuquerque, New Mexico
Source: ClinicalTrials.gov public record
Updated Oct 9, 2026 · Synced Oct 20, 2026, 10:12 AM EDT
Recruiting Not applicable Interventional

Improving Cognitive Function in Older Adults Undergoing Stem Cell Transplant

NCT04898790
View directory record Official record
Conditions
Leukemia, Lymphoma, Multiple Myeloma, Myelodysplastic Syndromes (MDS), Myeloproliferative Neoplasm
Interventions
CHAMPS-II adapted to adults 60+ years in HCT setting
Behavioral
Lead sponsor
University of Nebraska
Other
Eligibility
19 Years and older
Enrollment
114 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2027
U.S. locations
1
States / cities
Omaha, Nebraska
Source: ClinicalTrials.gov public record
Updated Aug 19, 2026 · Synced Oct 20, 2026, 10:12 AM EDT
Completed Phase 2 Interventional Results available

Specifying and Treating Anxiety in Autism Research

NCT03279471
View directory record Official record
Conditions
Autism Spectrum Disorder, Anxiety
Interventions
Sertraline, CBT/BIACA, Placebo
Drug · Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
8 Years to 14 Years
Enrollment
65 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2023
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated Sep 23, 2026 · Synced Oct 20, 2026, 10:12 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Behavioral Differences in Effortful Control

NCT01852344
View directory record Official record
Conditions
Healthy
Interventions
Methylphenidate, Placebo, Easy Behavioral Task, Hard Behavioral Task
Drug · Behavioral
Lead sponsor
University of Michigan
Other
Eligibility
18 Years to 35 Years
Enrollment
108 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2017
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Jan 8, 2018 · Synced Oct 20, 2026, 10:12 AM EDT
Not listed No phase listed Observational

Diet Quality and Cognitive Control Function in Early Childhood: A Pilot Study

NCT03313245
View directory record Official record
Conditions
Diet Habit, Cognitive Function
Interventions
No Intervention/Observational Study
Other
Lead sponsor
University of Illinois at Urbana-Champaign
Other
Eligibility
4 Years to 5 Years
Enrollment
104 participants
Timeline
2016 – 2018
U.S. locations
1
States / cities
Urbana, Illinois
Source: ClinicalTrials.gov public record
Updated Oct 10, 2018 · Synced Oct 20, 2026, 10:12 AM EDT
Completed Phase 4 Interventional Accepts healthy volunteers Results available

Effect of Single Dose Intranasal Insulin On Cognitive Function

NCT00646581
View directory record Official record
Conditions
Schizophrenia, Schizoaffective Disorder
Interventions
Placebo, Insulin (Humulin)
Drug
Lead sponsor
University of Massachusetts, Worcester
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Feb 15, 2013 · Synced Oct 20, 2026, 10:12 AM EDT
Completed Phase 2 Interventional

Huperzine for Cognitive and Functional Impairment in Schizophrenia

NCT00963846
View directory record Official record
Conditions
Schizophrenia
Interventions
placebo, huperzine 0.2 mg BID, huperzine 0.4 mg BID, huperzine 0.8 mg BID
Drug
Lead sponsor
Biomedisyn Corporation
Industry
Eligibility
18 Years to 55 Years
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New Haven, Connecticut
Source: ClinicalTrials.gov public record
Updated Mar 1, 2013 · Synced Oct 20, 2026, 10:12 AM EDT
Completed No phase listed Observational

Cognitive Functioning and Quality of Life in CNS Lymphoma

NCT00581737
View directory record Official record
Conditions
Lymphoma, Central Nervous System Lymphoma
Interventions
Not listed
Lead sponsor
Memorial Sloan Kettering Cancer Center
Other
Eligibility
Not listed
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2000 – 2009
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Mar 5, 2012 · Synced Oct 20, 2026, 10:12 AM EDT